View source for DCL-14-081, Diablo Canyon Units 1 and 2, Central Coastal California Seismic Imaging Project (Cccsip) Chapter 2, GEO.DCPP.TR.12.01 R1 Figures 09-02-14

{{Adams
| number = ML14260A033
| issue date = 09/10/2014
| title = Diablo Canyon Units 1 and 2, Central Coastal California Seismic Imaging Project (Cccsip) Chapter 2, GEO.DCPP.TR.12.01 R1 Figures 09-02-14
| author name = 
| author affiliation = Moss Landing Marine Labs, Pacific Gas &amp; Electric Co
| addressee name = 
| addressee affiliation = NRC/NRR
| docket = 05000275, 05000323
| license number = DPR-080, DPR-082
| contact person = 
| case reference number = DCL-14-081
| package number = ML14260A106
| document type = Drawing, Graphics incl Charts and Tables, Map, Report, Technical
| page count = 26
}}

=Text=
{{#Wiki_filter:File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0101.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI 0
20 km L o s O s o s f a u l t z o n eOceano faultOceanic -WestfaultSantaLuciazoneBank      faultzoneHuasnaSan Simeonfault zoneWilmar Avenue faultSan   Andreas    fault   zoneLions Headfaultfault zone S W b o u n d a r y f a u l t z o n e C a s m a lia f a u l t z o n eHosgri            fne P u r i s i m a s t r u c t u r e Q u e e n i e s t r u c t u r e L o m p o c s t r u c t u r ePiedrasBlancasanticlinoriumLOS OSOSDOMAIN C L S M A P H V O FFSHORESANTA MARIABASINWESTERNTRANSVERSESA N  RAFAEL  RANGERANGESEsteroBayPoint Argue ll oSOUTHERNCOASTRANGESRANGELUCIASANTARinco nada  faultNacimientofaultzone S a n t a Y n e z River C a m b r i a f a u l t DCPP Point Conception Location of 3D/2D surveyault            zo 34&deg;30' N 121&deg; 30' W 121&deg; W 120&deg; 30' W 120&deg; W 121&deg; 30' W 121&deg; W 120&deg; 30' W 120 W 34&deg; 30' N 35&deg;00' N 35&deg; 00' N 35&deg;30' N 35&deg; 30' N 36&deg;00' N 36&deg; 00' N&#xdc;DCPP 3D/2D Seismic-Reflection Investigation 1-1Pacific Gas and Electric Company FigureEXPLANATION Regional Tectonic Setting with Faults and Structural Domains (Modified from PG&E, 1988)SalinianTerraneStanley Mountain TerraneSan Simeon TerranePa tt o n TerraneSur-Obispo Composite(McCu lloch, 1987)Structural blocks within the Los Osos domain A = Casmalia C = Cambria H = Solomon Hills

L = Los Osos M = Santa Maria Valley P = Purisima

S = San Luis/Pismo

V = Vandenberg/Lompoc Source: PG&E (1988)
Notes: - Brown box outlines the 3D/2D seismic-reflection study area.
- Green line outlines the Los Osos domain.
- Hachures indicate uplifted structural blocks

within the Los Osos domain.
File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0102.ai; Date: 08/04/2014; User: Serkan Bozkurt, LCI@@@@@@@@@@@@@@@@@@@@@@@@04km&#xdc;DCPP Point Buchon
&#xa3;101 120&deg;40'W 120&deg;40'W 120&deg;45'W 120&deg;45'W 120&deg;50'W 120&deg;50'W 120&deg;55'W 120&deg;55'W 35&deg;20'N 35&deg;20'N 35&deg;15'N 35&deg; 15'N 35&deg;10'N 35&deg; 10'N 35&deg; 5'N 35&deg; 5'N L O S    B E R R O S    F A U L T SEstero Bay San Luis Obispo BayMorro Bay PismoBeachPoint BuchonSan Luis Obispo C A M B R I A     F A U L T L O S  O S O S  F A U L T E D N A  F A U L T S H O R E L I N E      F A U L T     Z O N E L O S    B E R R O S    F A U L T S P E C H O    F A U L T S S A N  M I G U E L I T O  F A U L T S A N L U I S B A Y F A U L T DCPP I r i s h    H i l l s W I L M A R A V E. F A U L T P T. B U C H O N F A U L T Z O N E P T. B U C H O N F A U L T Z O N EHOSGRI   FAULT    ZONEHOSGRI   FAULT    ZONEDCPP 3D/2D Seismic-Reflection Investigation 1-2Pacific Gas and Electric Company FigureEXPLANATION Structural Blocks and Faults in the DCPP Area (Modified from PG&E, 1988)
Hosgri Fault Zone, slip rate >1 mm/yr Map projection and scale: WGS 1984, UTM Zone 10N, 1:200,000 Location Map 2D Survey area extent 3D Survey area extent Fault with estimated slip rate <1 mm/yr Los Osos structural block San Luis/Pismo structural blockSanta Maria Valley structural block Notes: - Locations of faults shown on map are from PG&E (2011b).
- Base map is 2010 PG&E Project DEM.

File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0103.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCISignal frequency (Hz)Source: Sheriff andGeldart (1995)
*DCPP 3D/2D Seismic-Reflection Investigation 1-3Pacific Gas and Electric Company Figure Frequency Spectrum from 3D/2D Seismic
-Reflection Data Set Showing Dominant (Fundamental) Frequency of 200-225 Hz and Calculation Using 1,600-1,650 m/s to Determine Vertical Resolution (2.00-2.06 and 1.78-1.83 m)
File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0201.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCINavigationAntenna16-ChannelGeoEelHydrophoneStreamer CRP(3.125mGroupInterval)TowDepth-1to2m Navigation AntennaTriple-Plate Boomer6.25m BOOM BOOM GPS GPS GPS16-ChannelGeoEelHydrophoneStreamer(3.125mGroupInterval)16-ChannelGeoEelHydrophoneStreamer(3.125mGroupInterval)16-ChannelGeoEelHydrophoneStreamer(3.125mGroupInterval)16-Channel (4)GeoEelHydrophoneStreamer(3.125mGroupInterval)6.25m6.25m GPS(4)Triple-Plate Boomer GPS GPS GPSGPSAntenaePG&E3DSurveyProjectNo.2010.256FIGURE33DSURVEYLAYBACKDIAGRAMPG&EDiabloCanyonPowerPlantCentralCaliforniaN:\Projects\2010_Proposals\2010-256_PGE_3D_Surveys\Outputs\2010_07_16_Proposal\cdr\Fig3_PCableLaybackDiagram.cdr,began9-17-10NavigationAntenna16-ChannelGeoEelHydrophoneStreamer CRP(3.125mGroupInterval)TowDepth-1to2m Navigation AntennaTriple-Plate Boomer6.25m BOOM BOOM GPS GPS GPS16-ChannelGeoEelHydrophoneStreamer(3.125mGroupInterval)16-ChannelGeoEelHydrophoneStreamer(3.125mGroupInterval)16-ChannelGeoEelHydrophoneStreamer(3.125mGroupInterval)16-Channel (4)GeoEelHydrophoneStreamer(3.125mGroupInterval)6.25m6.25m GPS(4)Triple-Plate Boomer GPS GPS GPSGPSAntenaePG&E3DSurveyProjectNo.2010.256FIGURE33DSURVEYLAYBACKDIAGRAMPG&EDiabloCanyonPowerPlantCentralCaliforniaN:\Projects\2010_Proposals\2010-256_PGE_3D_Surveys\Outputs\2010_07_16_Proposal\cdr\Fig3_PCableLaybackDiagram.cdr,began9-17-10DCPP 3D/2D Seismic-Reflection Investigation 2-1Pacific Gas and Electric Company Figure Streamer Layout (Layback Diagram) for Seismic Source and Receivers Used in the Collection of 3D/2D Data from the M/V Michael Uhl Distances from boomer to head of streamers:
a:  12.01 m b:    8.15 m

c:    8.15 m

d:  12.01 m a b cTriple-PlateBoomer 25.00 m 42.50 m dCRP = common reference point GPS = global positioning system Abbreviations:
File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0202.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI 01km&#xdc;DCPP Point Buchon 120&deg;52'W 120&deg;54'W 120&deg;54'W 120&deg;56'W 120&deg;56'W 120&deg;58'W 120&deg;58'W 35&deg;16'N 35&deg;6'N 35&deg;14'N 35&deg;14'N 35&deg;12'N 35&deg;12'N Crowbar Islay Point Point BuchonDCPP 3D/2D Seismic-Reflection Investigation 2-2Pacific Gas and Electric Company FigureEXPLANATION Trackline Map of 2D Seismic-Reflection Lines and Boundary of 3D Survey Area 2D survey trackline, approximately 100 m spacing Map projection: WGS 1984, UTM Zone 10N MBES data source: CSUMB Seafloor Mappling Lab Data boundary for 3D seismic-reflection surveys Location Map200219481966 1984187618941912135 4193017861858184017681714157016961750167818221732139018041498142614081642 16241462133615881318 1444130016061516128216601552126411921246117412361228115612101102112010841066104811381030 2011199318671975193918851921195719031831170517231759177716691741138118131687139916511795136315071489147111111633132715791309145316151525143515971291 12731561154311831165134512551147120111291093105710391075102110031219153410121417 1372 1480 Approximate boundary of high-resolution MBES data File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0203.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCIDCPP 3D/2D Seismic-Reflection Investigation 2-3Pacific Gas and Electric Company Figure Schematic Diagram of Streamer Array Showing Navigation Positioning Accuracy During 3D/2D Seismic-Reflection Survey Notes: Ellipses represent working error of positioning; head end of streamers have a 1 m positioning accuracy, whereas a 3 m positioning accuracy occurs at the tail ends, resulting in an overall 

horizontal resolution of  ~2-3 m.
Codes at dots indicate the following: S1-4 = streamer number; S1GPS-S4GPS = position of GPS unit at head of each streamer; S1-4R1-16 = receiver number in streamer.
File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0204.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI (a) Geometry of Array in Relation to Line Orientation (Data Coverage)(b) Example of Coverage Obtained and Geometry of Array During Gap Filling Operations (Bin Infilling)DCPP 3D/2D Seismic-Reflection Investigation 2-4Pacific Gas and Electric Company Figure Schematic Diagram Illustrating Skewed Geometry of Streamer Array During Times of Adverse Weather Conditions Resulting in Irregular Coverage Notes: In part (a), red circles represent locations of GPS sensors on vessel, at the source and at head ends of streamers. Green (starboard or right), blue (inner) and red (port or left) color-filled circles represent ends of streamerss Numbers along the red line (active navigation line) represent shot points. Green lines are pre-programmed navigation lines.
In part (b), blue color represents 4-fold coverage or more; green, 3 fold; yellow, 2 fold; and gray, 0 coverage. 

File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0205.ai; Date: 08/04/2014; User: Serkan Bozkurt, LCIDCPP 3D/2D Seismic-Reflection Investigation 2-5Pacific Gas and Electric Company Figure Example of "Bubble Pulse" Recorded During 3D/2D Seismic-Reflection Survey Showing ~5 ms 
(~4 m) Thick Shallow Subsurface Section Not Resolvable due to Masking of Legitimate Reflectors by Pulse Width Note:CMP = common midpoint or shot pointTwo-way travel time (ms)
File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0206.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCIwww.fugro.comFugro Seismic Imaging, Inc.Processing FlowLow Cut FilterSwell NoiseAttenuationTranscriptionTrace EditsSurface RelatedMultiple AttenuationVelocity AnalysisBinningInterpolationNavigationMergeGun and CableStaticsInitial NoiseEliminationGain RecoveryStatic CorrectionRaw Data QC QC QC QC QC QC QC QC QC QC QC QCSRME Unmigrated3D VolumeMigration VelocityAnalysisSignatureDeconvolutionPost-Stack MigrationCrossline StaticsSort to offsetInterpolate3D Kirchhoff PrestackTime MigrationMuteStackTime-VariantFilter QC QC QCPost StackScalingFinal PSTM3D Volume QCFinal Unmigrated3D VolumeRaw PSTM3D Volume Processing FlowDCPP 3D/2D Seismic-Reflection Investigation 2-6Pacific Gas and Electric Company Figure Flow Chart Showing Procedures and Steps Undertaken in the Processing of the 3D Data Note: All quality control (QC) assessments were made

prior to advancing to the next step of processing.
Note: Depth values on seismic profile assume a velocity of1,600 m/s.
D C P P 3 D/2 D S e i s m i c-R e f l e c t i o n I n v e s t i g a t i o n (a) U n i n t e r p r e t e d s e i s m i c p r o f i l e L i n e 1 2 1 2 0 P a c i f i c G a s a n d E l e c t r i c C o m p a n y Figure??????F??????????????????F F F F M M M M M??M M M M F F F R R 0 0.5 0.2 5 k m D C P P Point Buchon 120&deg;54'W 120&deg;55'W 120&deg;55'W 120&deg;56'W 120&deg;56'W 35&deg;14.5'N 35&deg;14.5'N 400081000320521 3 1 3 0 3 40001 31301 31302612402151010015 313041150206121110041130110 74 12036135102 3130500201 510070200035013111010 31301 31304 400081000320521 3 1 3 0 3 40001 31301 31302612402151010015 313041150206121110041130110 74 12036135102 3130500201 1150110070200035013111010 31301 313041150311109 1110811503 200021110910811 S W N E H o s g r i F a u l t Z o n e H o s g r i F a u l t Z o n e 7150371045 7150515706 71507 7150347150 7150515706 71507 P o i n t B u c h o n f a u l t z o n e 0.1 0.2 1,400 1,800 2,200 2,600 3,000 80 160 240 320Depth(m)Distance along profile (m) 0.3 0.4 V E ~ 3.5 x N ETwo-way t ravel t ime(s)S W?????0.1 0.2 1,400 1,800 2,200 2,600 3,000 80 160 240 320Depth(m)Distance along profile (m) 0.3 0.4 V E ~ 3.5 x S W N ETwo-way t ravel t ime(s)6 1 4 2 0 6 1 0 2 4 f a u l t (n o t s h o w n  o n m a p)M i n o r i n t r a-f o r m a t i o n a l Location of seismic profile shown on E EXPLANATION Plate 3b High Low Syncline?Faults,solid wherewelllocated,dashed where inferred or approximately located, queried where uncertain, dotted where

buried by more than 20 milliseconds

of undeformed strata Monocline Area of poor interpretabilityTime slice horizon Anticline F i g u r e e x t e n t in blue (b) I n t e r p r e t e d s e i s m i c p r o f i l e L i n e 1 2 1 2 0 Amplitude (c) L o c a t i o n m a p S e i s m i c t i m e s l i c e h o r i z o n 1 5 0 m s T W T T S e i s m i c t i m e s l i c e h o r i z o n 1 5 0 m s T W T T File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0301.ai; Date: 08/04/2014; User: Serkan Bozkurt, LCI 3-1 Examples of Data Quality (Interpretability)
Shown in (a,b) 3D Seismic-Reflection Profile Line 12120 and on (c) Amplitude Time Slice at 150 ms (TWTT)
Point Buchon fault zone File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0401.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI 0 0.5 0.25 km&#xdc;DCPP Point Buchon 35&deg;16'N 120&deg;56'W 120&deg;56'W 35&deg;16'NDCPP 3D/2D Seismic-Reflection Investigation 4-1Pacific Gas and Electric Company FigureTime Slice ExplanationEXPLANATION MBES Bathymetry Overlain on 3D Amplitude Time Slice at 138 ms (TWTT) Showing a Good Correlation Between the Two Data Sets Location Map Note: Good correlation of reflectors in the time slice with ridges imaged in

bathymetry suggests that 3D survey is correctly aligned with MBES survey. High Low Amplitude D C P P 3 D/2 D S e i s m i c-R e f l e c t i o n I n v e s t i g a t i o n (a) U n i n t e r p r e t e d s e i s m i c p r o f i l e P a c i f i c G a s a n d E l e c t r i c C o m p a n y Figure (b) I n t e r p r e t e d s e i s m i c p r o f i l e High Low Amplitude Notes:        1. Depth values on seismic profile assume a velocity of 1,600 m/s.
: 2. Minor intraformational fault displayed on profile is not mapped

and shown on fault maps or included within the fault database.
E EXPLANATION
?Faults,solid wherewelllocated,dashedwhereinferredor approximately located, queried where uncertain, dotted where buried by more than 20 milliseconds of undeformed strataErosional surface (top of Tertiary rock)
Location of seismic profile shown on Plate 3b D C P P Point Buchon L o c a t i o n M a p 0.1 0.05 0.15 0.2 3,200 3,600 4,000 80 40 160 120Depth(m)Two-way travel time(s)
Distance along profile (m) 6 1 5 2 0 1 6 1 5 9 1 5 0 6 7 0.1 0.05 0.15 0.2 3,200 3,600 4,000 80 40 160 120Depth(m)Two-way travel time(s)
Distance along profile (m)
M i n o r i n t r a f o r m a t i o n a l f a u l t B u b b l e-p u l s e S e a f l o o r P a r a b o l i c W a v e-c u t p l a t f o r m b e d d i n g a r t i f a c t s P o s s i b l e s h o r e l i n e a n g l e m u l t i p l e M i n o r (n o t s h o w n o n m a p)??????????????S h o r e l i n e a n g l e L i n e 1 3 3 4 0 S W N E L i n e 1 3 3 4 0 S W N E File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0601.ai; Date: 07/29/2014; User: Serkan Bozkurt, LCI 6-1 Example of a Wave-Cut Platform and Shoreline Angles Illustrated in 3D Seismic-Reflection Profile 13340 and Showing Bedding Artifacts D C P P 3 D/2 D S e i s m i c-R e f l e c t i o n I n v e s t i g a t i o n (a) U n i n t e r p r e t e d s e i s m i c p r o f i l e L i n e 1 2 1 2 0 P a c i f i c G a s a n d E l e c t r i c C o m p a n y Figure (b) I n t e r p r e t e d s e i s m i c p r o f i l e L i n e 1 2 1 2 0 (c) L o c a t i o n m a p 120&deg;55'W 120&deg;55'W 120&deg;56'W 120&deg;56'W 35&deg;15'N 35&deg;15'N 0 0.5 0.2 5 k m&#xdc;D C P P Point Buchon S a n d s h e e t s A B C R o c k S W N E Location of seismic profile shown E
EXPLANATION on Plate 3b Note: Depth values on seismic profile assume Higha velocity of1,600 m/s.
Low Amplitude Location of mobile sand sheet marginsErosional surface (top of Tertiary rock) 0.1 0.05 0.15 0.2 1,400 1,800 2,200 80 160 120 40 V E ~ 3.5 x S W N E Two-way travel time(s)
Distance along profile (m)Depth(m)0.1 0.05 0.15 0.2 1,400 1,800 2,200 80 160 120 40 S a n d s h e e t m a r g i n s A B C V E ~ 3.5 x S e a f l o o r S W N E Two-way travel time(s)
Distance along profile (m)Depth(m)File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0602.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI 6-2 Illustrations of Mobile Sand Sheets Shown in (a, b) 3D Seismic-Reflection Profile 12120 and on (c) MBES Shaded Relief Bathymetry Map Contact betweenTertiary bedrock and

Quaternary deposits Bubble pulse Pacific Gas and Electric CompanyFigureFile path: S:\13800\13838\13838.002\Figures\20120210_SIT\Figure_0603.mxd; Date: 07/17/2014; User: Serkan Bozkurt, LCI; Rev.1Figure extendDCPPPoint BuchonFigure extentDEM of Bedrock Surface with SedimentRemoved in the Point Buchon Study Area Trackline - perpendicularartifactTrackline - parallelartifactTrackline - parallelartifactTrackline - perpendicularartifact Olson HillCoonCreekIslayCreekDCPPGreenPeakLion RockPointBuchonOats Peak-120&deg;52'-120&deg;52'-120&deg;56'-120&deg;56'35&deg;16'35&deg;16'35&deg;12'35&deg;12'010.5km 6-3DCPP 3D/2D Seismic-Reflection InvestigationEarthquake DataMagnitude2.0 - 2.93.0 - 3.50.0 - 0.9 1.0 - 1.9Depth (Km)8.0 - 9.910.0 - 11.912.0 - 13.914.0 +0.0 - 1.92.0 - 3.94.0 - 5.96.0 - 7.93D/2D survey area extent EXPLANATION D C P P 3 D/2 D S e i s m i c-R e f l e c t i o n I n v e s t i g a t i o n (a) U n i n t e r p r e t e d s e i s m i c p r o f i l e L i n e 1 1 1 8 0 P a c i f i c G a s a n d E l e c t r i c C o m p a n y Figure (b) I n t e r p r e t e d s e i s m i c p r o f i l e L i n e 1 1 1 8 0 (c) L o c a t i o n m a p 0.1 0.2 0.3 0.4 0.5 400 800 1,200 1,600 2,000 80 160 240 320Depth(m)Two-way travel time(s)
Distance along profile (m)
S W N E a.T r a c e C 2?M M M M M M M M M 1002010110 6150611003 2 0 0 0 22001051021125007111555110 4000411116 5 1115 20000115212000440131 4000514056611011011561503510145111815605 6150206002 40 5 11192022110010 0 0.5 0.2 5 k m D C P P Point Buchon T r a c e A 2?T r a c e C T r a c e C 2?T r a c e C 2?120&deg;56'W120&deg;57'W120&deg;57'W35&deg;16'N S W N E o f z P i n t B u c h o n a u l t o n e H o s g r i F a u l t Z o n e E x p l a n a t i o n Location of seismic profile shown on Plate 3b High Low Amplitude Faults, solid where well located, dashed where inferred or approximately located, dotted where buried by more than 20

milliseconds of undeformed strata Approximate positions of Hosgri fault traces from PG&E (2011b)
Syncline AnticlineNote:Depth values on seismic profile assume a velocity of1,600 m/s.
0.1 0.2 0.3 0.4 0.5 400 800 1,200 1,600 2,000 80 160 240 320Depth(m)Two-way travel time(s)
Distance along profile (m)
T r a c e C 2?T r a c e C T r a c e A 2?P o i n t B u c h o n f a u l t z o n e H o s g r i F a u l t Z o n e 2 0 0 0 0 S W N E B u b b l e p u l s e S e a f floor V E ~ 3.5 x a.400 400 File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0604.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI 6-4 Vertical and Horizontal Geometry of Hosgri Fault Zone Strands in (a, b) 3D Seismic-Reflection Profile 11180 and on (c) MBES Bathymetry Map Within Northern Part of Survey Area Seafloor multiple Seafloor multiple File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0605.ai; Date: 07/29/2014; User: Serkan Bozkurt, LCI F??????F F F F M M M M M M M M??M M M M F F M M 120&deg;54'W 120&deg;54'W 120&deg;55'W 120&deg;55'W 35&deg;14'N 35&deg;14'N 0 0.5 0.25 km&#xdc;?61402 40001 21502 3 1 3 0 3 40003111081101211302 400081110911301 61402 31305 41503 40002 61302 4150111005 10007 120&deg;54'W 120&deg;54'W 120&deg;55'W 120&deg;55'W 35&deg;14'N 35&deg;14'N 0 0.5 0.25 km&#xdc;DCPP Point Buchon P o i n t B u c h o n f a u l t z o n e H o s g r i F a u l t Z o n e H o s g r i F a u l t Z o n e P o i n t B u c h o n f a u l t z o n e Interpreted Uninterpreted (a)(b)DCPP 3D/2D Seismic-Reflection Investigation 6-5Pacific Gas and Electric Company FigureEXPLANATION High Low AmplitudeSynclineAnticline Amplitude Time-Slice Maps at 95 ms (TWTT) in Southern Part of 3D Study Area Showing (a)
Uninterpreted and (b) Interpreted Strands of the Point Buchon Fault Zone Point Buchon fault lineament
?Faults, solid where well located, dashed where inferred or approximately located, queried where uncertain, dotted where

buried by more than 20 milliseconds of

undeformed strata Location Map 71503 71504 71505 71506 71507 F F??????????71503 71504 71505 71506 71507 File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0606.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI 120&deg;55'W 120&deg;55'W 120&deg;56'W 120&deg;56'W 35&deg;15'N 35&deg;15'N 0 0.50.25km&#xdc;?????????????????????M??40008 3 1 3 0 3 21502 31302 21501 31304 40001 31502 31305 120&deg;55'W 120&deg;55'W 120&deg;56'W 120&deg;56'W 35&deg;15'N 35&deg;15'N 0 0.50.25km&#xdc;DCPP Point BuchonTime sliceintersectswater columnin this regionSea~oorSurcialunconsolidatedsedimentBedrock Interpreted Uninterpreted (a)(b)DCPP 3D/2D Seismic-Reflection Investigation 6-6Pacific Gas and Electric Company FigureEXPLANATION
?Faults, solid where well located, dashed where inferred or approximately located, queried where

uncertain, dotted where buried by more than

20 milliseconds of undeformed strata Location Map Fault Strands Associated with Fault Intersection of Point Buchon Fault Zone Shown in (a) Uninterpreted and (b) Interpreted Similarity Time Slices at 74 ms (TWTT)
D C P P 3 D/2 D S e i s m i c-R e f l e c t i o n I n v e s t i g a t i o n (a) Un i n t e r p r e t e d s e i s m i c p r o f i l e L i n e 1 1 2 0 P a c i f i c G a s a n d E l e c t r i c C o m p a n y Figure (b) In t e r p r e t e d s e i s m i c p r o f i l e L i n e 1 1 2 0 (c) Location map M M???M M M7115118120001021506611008 20004 5120221202111161001012091 2120100120 2000005416 11155511111120705 11 111205 10201211010520011001141301113155110 5 111012503114201100312511 120&deg;57'W 120&deg;57'W 35&deg;16'N 35&deg;16'N&#xdc;D C P P Point Buchon L o c a t i o n M a p S W N E 0 0.5 0.2 5 k m P t u o i n B c h o n f a u l t z o n e o Z o n e???????????????????????????T r a c e CNote:Depth values on seismic profile assume a velocity of1,600 m/s.
Graben, queried where full extent is uncertain Location of seismic profile shown E x p l a n a t i o n on Plate 3b Faults, solid where well located, dashed where inferred or approximately located, dotted where buried by more than 20

milliseconds of undeformed strata
?Low Amplitude High 0.1 0.2 0.3 0.4 2000001,006 1,400 1,800 80 160 240 320 N E Two-way travel time(s)
Distance along profile (m)Depth(m)S W 0.1 0.2 0.3 0.4 2000001,006 1,400 1,800 80 160 240 320 N E Two-way travel time(s)
Distance along profile (m)Depth(m)m u l t i p l e S e a f o o r B u b b l e-p u l s e S e a f o o r T r a c e C S e a f l o o r H o s g r i F a u l t Z o n e P o i n t B u c h o n f a u l t z o n e m u l t i p l e S e a f l o o r S W File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0607.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI 6-7 Graben at Northern End of Point Buchon Fault Zone Shown on (a, b) 2D Seismic-Reflection Profile 1120 and (c) MBES Bathymetry D C P P 3 D/2 D S e i s m i c-R e f l e c t i o n I n v e s t i g a t i o n (a) U n i n t e r p r e t e d s e i s m i c p r o f i l e L i n e 1 1 8 2 0 P a c i f i c G a s a n d E l e c t r i c C o m p a n y Figure (b) I n t e r p r e t e d s e i s m i c p r o f i l e L i n e 1 1 8 2 0 (c) L o c a t i o n m a p????????????????????????F F M M M??M M M M M F F F R R 120&deg;55'W 120&deg;55'W 120&deg;56'W 120&deg;56'W 35&deg;15'N 35&deg;15'N 0 0.5 0.2 5 k m D C P P Point Buchon
??003102115011501111001150300840 3 1 3 0 3 21502 3130100310 10002302311040060214 215011001531340 612011100417401 6 1 3 0 2 315022115013053 61504 2000311501 61505 51301111001503161011 20002 p s S l a y S p l a y s H o s g r i F a u l t Z o n e S p l a y s S W N E L o c a t i o n M a p E a s t B r a n c h P o i n t B u c h o n f a u l t z o n e E a s t B r a n c h P o i n t B u c h o n f a u l t z o n e P o i n t B u c h o n f a u l t z o n e H o s g r i F a u l t Z o n e H o s g r i F a u l t Z o n eNote:Depth values on seismic profile assume a velocity of1,600 m/s.
Location of seismic profile E x p l a n a t i o n shown on Plate 3b High Low Amplitude?Faults,solidwherewelllocated,dashed where inferred or approximately located, queried where uncertain, dotted where 

buried by more than 20 milliseconds of

undeformed strata MonoclineTime slice horizon Anticline Syncline 0.1 0.2 0.3 1,200 1,600 2,000 2,400 2,800 80 160 240Depth(m)Distance along profile (m)
S W N E Two-way travel time(s)
???????0.1 0.2 0.3 1,200 1,600 2,000 2,400 2,800 80 160 240Depth(m)Distance along profile (m)
E a s t B r a n c h P o i n t B u c h o n f a u l t z o n e s p l a y s P o i n t B u c h o n f a u l t z o n e S W N E Two-way travel time(s)
S e a f l o o r File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0608.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI 6-8 Structure Associated with Northern Part of Point Buchon Fault Zone Shown in (a, b) 3D Seismic-Reflection Profile 11820 and (c) Amplitude Time Slice at 150 ms (TWTT)
Seismic time-slice horizon 150 ms TWTT Seafloor bubble pulse Seismic time-slice

horizon 150 ms TWTT D C P P 3 D/2 D S e i s m i c-R e f l e c t i o n I n v e s t i g a t i o n (a) U n i n t e r p r e t e d s e i s m i c p r o f i l e L i n e 1 3 9 9 P a c i f i c G a s a n d E l e c t r i c C o m p a n y Figure (b) I n t e r p r e t e d s e i s m i c p r o f i l e L i n e 1 3 9 9 (c) L o c a t i o n m a pNote:Depth values on seismic profile assume a velocity of1,600 m/s.
0.1Splays Sp Sp Sp S
Sp Sp Sp Sp Sp Sp Sp Sp S a a
a a
a a ys ys ys ys y
ys ys y Sp Sp Sp Sp Sp Sp Sp Sp Sp Sp Sp Sp Sp Sp l a a
a a
a a
a a ys ys y
ys y
ys ys ys ys ys ys ys y y y
y y??????F??????????????????F F F M M M M?M M M F F M M R 120&deg;54'W 120&deg;54'W 120&deg;55'W 120&deg;55'W 120&deg;56'W 120&deg;56'W 120&deg;57'W 120&deg;57'W 35&deg;15'N 35&deg;15'N 0 0.5 0.2 5 k m D C P P Point Buchon
???313024008000210 10003 21502 3 1 3 0 3 40001 31301 200021100114260 51002 2150150011 31304 31302 6120111004 714013026113502 31305401651611000203 1 0 0 0 710135111000020265310 6150533101 P n u f a n e o i t B c h o n u l t z o H o s g r i F a u l t Z o n e E a s t B r a n c h P o i n t B u c h o n f a u l t z o n e E a s t B r a n c h P o i n t B u c h o n f a u l t z o n e H o s g r i F a u l t Z o n S W N E15073471505710571560 715071507347150571057156071570 0.2 0.3 0.4 400 800 1,200 1,600 2,000 2,400 80 160 240 320Depth(m)Distance along profile (m)
Two-way travel time(s)
N E S W????0.2 0.3 0.4 400 800 1,200 1,600 2,000 2,400 80 160 240 320Depth(m)Distance along profile (m)
Two-way travel time(s)
M i n o r i n t r a f o r m a t i o n a l f a u l t s (n o t s h o w n o n m a p)3 1 3 0 2 S e a f l o o r H o s g r i F a u l t Z o n e P o i n t B u c h o n f a u l t z o n e N E B u b b l e p u l s e S W Location of seismic profileEEXPLANATION shown on Plate 3b High Low Amplitude?Faults,solid wherewelllocated,dashed where inferred or approximately located, queried where uncertain, dotted where

buried by more than 20 milliseconds

of undeformed strata MonoclineTime slice horizon Anticline Syncline File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0609.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI 6-9 Principal Structural Elements in Northern Part of Study Area Showing Faults and Folds in (a, b) 2D Seismic-Reflection Profile 1399 and on (c) Amplitude Time-Slice Map at 150 ms (TWTT)
Seismic time-slice horizon 150 ms TWTT Seismic time-slice

horizon 150 ms TWTT File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0610.ai; Date: 07/18/2014; User: Serkan Bozkurt, LCIDCPP 3D/2D Seismic-Reflection Investigation 6-10Pacific Gas and Electric Company Figure Seismicity and Focal Mechanisms in the Study AreaEXPLANATION 0 5 km Earthquakes
< 2.0 2.0 - 2.99 3.0 - 3.99 0 2 4 6 8 10 12 14 16 18 k m depth magnitude<2.0 2.0 - 2.9 3.0 - 3.9Hash Quality A,B,C Hardebeck, 2010 (HASH; Hardebeck and Shearer, 2002)Hash Quality DHardebeck, 2010 (HASH; Hardebeck and Shearer, 2002)
FPFITNCEDC, 2010 (FPFIT; Reasenberg and Oppenheimer, 1985)
FPFITNCEDC, 2010 to 2014 (FPFIT; Reasenberg and Oppenheimer, 1985)
Focal Mechanisms File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Figure_0701.ai; Date: 08/04/2014; User: Serkan Bozkurt, LCIDCPP 3D/2D Seismic-Reflection Investigation 7-1Pacific Gas and Electric Company Figure Seismicity in Relation to Depth of 3D/2D Seismc Reflection and Potential Field Imaging KJf KJf-Jo 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Depth (km)
Distance (km) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 80 70 85 90 Hosgri Fault Zone 1        2         3         4        5         6         7        8         9        10 HESS HESS LESS Seismicity Seismicity Potential Field Potential FieldQTsQTsEXPLANATIONQTs: Quaternary-Tertiary sedimentary rocks KJf: Cretaceous-Jurassic Franciscan Complex

KJf-Jo: Cretaceous-Jurassic Franciscan Complex-Jurassic ophiolites Magnitudes
< 2.0 2.0 - 2.99 3.0 - 3.99Hash Quality A,B,C Hardebeck, 2010 (HASH; Hardebeck and Shearer, 2002)Hash Quality D Hardebeck, 2010 (HASH;

Hardebeck and Shearer, 2002)
FPFIT NCEDC, 2010 (Reasenberg 

and Oppenheimer, 1985)
<2.0 2.0 - 2.9 3.0 - 3.9 Focal Mechanisms Notes: Earthquake relocations from Hardebeck (2010). Possible Hosgri fault zone dip angles are shown. Focal mechanisms are from 

1-D (FPFIT) and 3-D (HASH) locations. Focal Mechanism symbols are 

associated with adjacent earthquake locations.
File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Foldout_A.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI F M??????????????????F F F M M M M M M M M M M M F F M M M M R F M??????????????????F F F M M M M M?M M M M M M F F M M M M R????00.50.25km&#xdc;A 120&deg;54'W 120&deg;54'W 120&deg;55'W 120&deg;55'W 120&deg;56'W 120&deg;56'W 120&deg;57'W 120&deg;57'W 35&deg;16'N 35&deg;16'N 35&deg;15'N 35&deg;15'N 120&deg;54'W 120&deg;54'W 120&deg;55'W 120&deg;55'W 120&deg;56'W 120&deg;56'W 120&deg;57'W 120&deg;57'W 35&deg;16'N 35&deg;16'N 35&deg;15'N 35&deg;15'N 120&deg;54'W 120&deg;54'W 120&deg;55'W 120&deg;55'W 120&deg;56'W 120&deg;56'W 120&deg;57'W 120&deg;57'W 35&deg;16'N 35&deg;16'N 35&deg;15'N 35&deg;15'N 120&deg;54'W 120&deg;54'W 120&deg;55'W 120&deg;55'W 120&deg;56'W 120&deg;56'W 120&deg;55'W 120&deg;56'W 120&deg;57'W 120&deg;57'W 35&deg;16'N 35&deg;16'N 35&deg;15'N 35&deg;15'N 00.50.25km&#xdc;00.50.25km&#xdc;00.50.25km&#xdc;40008 1000211001 3 1 3 0 3 21502 31301 20002 1000311003 61506 20001 5 1 1 0 2 61402 51002 40001 21501 51001 31304 20000 4000651121 6120111004 71401 61302 31502 31305 61504 6 1 1 0 111502 20006 61503 2 0 0 0 3 5130111010 20002 31301 4000751101 4000411503 40005 61505 20004 31304 40008 1000211001 3 1 3 0 3 21502 31301 20002 1000311003 3 1 3 0 2 61506 20001 5 1 1 0 2 61402 51002 40001 21501 51001 31304 20000 4000651121 6120111004 71401 61302 31305 61504 6 1 1 0 111502 20006 61503 2 0 0 0 3 5130111010 20002 31301 4000751101 4000411503 40005 61505 31304FlatBedsSea~oor multiple E a s t B r a n c h P o i n t B u c h o n f a u l t z o n e P o i n t B u c h o n f a u l t z o n e H o s g r i F a u l t Z o n eSea~oor multipleFlatBeds P o i n t B u c h o n f a u l t z o n e P o i n t B u c h o n f a u l t z o n e P o i n t B u c h o n f a u l t z o n eSea~oor multiple Hosgri Fault Zon e H o s g r i F a u l t Z o n e Hosgri Fault Zon e E a s t B r a n c h P o i n t B u c h o n f a u l t z o n e E a s t B r a n c h P o i n t B u c h o n f a u l t z o n e E a s t B r a n c h P o i n t B u c h o n f a u l t z o n eFlatBedsFlatBedsFlatBedsFlatBedsFlatBedsFlatBeds DCPP Point BuchonPacific Gas and Electric Company Foldout (a)(c)(b)(d)Interpreted Amplitude Uninterpreted Amplitude Uninterpreted Similarity Interpreted SimilarityDCPP 3D/2D Seismic-Reflection InvestigationEXPLANATION High Low AmplitudeSynclineAnticlineMonocline?Faults, soild where well located, dashed where inferred or approximately located, queried where

uncertain, dotted where buried by more than

20 milliseconds of undeformed strata Location Map Comparison of Amplitude and Similarity Time Slices at 150 ms Showing Uninterpreted Data (a and b) and Interpreted Maps (c and d)
Map projections: UTM Zone 10N, WGS 84 File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Foldout_B.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI 0.1 0.2 0.3 800 1,200 1,600 2,000 80 160 2,400 2,800 3,200 3,600 4,000 4,400 4,800 240 VE~3.1xMinor intraformationalfault (not shown on map)Faults 71503-71507 are highly uncertainbecause they strike parallel to a pervasivenortheast trending artifact in the 3D data 71503 71504 71505 71506 71507 Seafloor horizon Bend in profile Bend in profile Seafloor horizon 51001 71503 71504 71505 71506 71507 71503 71504 71505 71506 71507Minor intraformationalfault (not shown on map)Faults 71503-71507 are highly uncertainbecause they strike parallel to a pervasivenortheast trending artifact in the 3D dataTwo-way Travel Time (s)
Distance along profile (m)
Depth (m)Pacific Gas and Electric Company Foldout B F F F F????????????????????????F F F F M M M M M M M?????M M M M F F F??M M M M R R 0 0.50.25km&#xdc;10003 10007111081101211502113021130111109 10004115011101011503 71503 71504 71505 71506 71507 40008 10003 40001 21502 3 1 3 0 3 31301 31302 10007 10002 61402 71503 71504 71505 71506 7150711108 40003 2150111012 51001 31304115021130211301 6120111004 7140111109 6 1 3 0 2 31502 31305 20002 1000411501 20003 40002 5130111010 31301 6150411503 120&deg;54'W 120&deg;54'W 120&deg;55'W 120&deg;55'W 120&deg;56'W 120&deg;56'W 120&deg;54'W 120&deg;55'W 120&deg;56'W 35&deg;15'N 35&deg;15'N 35&deg;14'N 35&deg;14'N DCPP Point Buchon (a)(b)Marker Horizons Identified in (a) User-Selected 3D Strike Line and (b) Mapped on Amplitude Time Slice at 150 ms (TWTT)DCPP 3D/2D Seismic-Reflection Investigation NW NW SE SEBubble-pulseUser selected pro~le Location of seismic profile shown on Plate 3bEXPLANATION Note: Depth values on seismic profile assume a velocity of 1,600 m/s.
High Low Amplitude Location Map Syncline Anticline?Faults, solid where well located, dashed where inferred or approximately located, queried where

uncertain, dotted where buried by more than

20 milliseconds of undeformed strata Monocline H05A H05B H15 H20 H25 H30 H35 H40Time slice at 0.150 seconds Horizon NameTime slice horizonUser-selected pro~le Bubble pulse E a s t B r a n c h P o i n t B u c h o n f a u l t z o n e E a s t B r a n c h P o i n t B u c h o n f a u l t z o n e Bend inpro~leSplays P o i n t B u c h o n f a u l t z o n e P o i n t B u c h o n f a u l t z o n e H osg ri      Fau lt      Z oneSplaysBend inpro~le????????????????????????
File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Foldout_C.ai; Date: 07/29 
 /2014; User: Serkan Bozkurt, LCI
????????????0.1 0.2 0.3 400 800 1,200 1,600 2,000 80 160 2,400 2,800 240Trace A2Trace CTrace C1 Bubble pulse Bubble pulseTrace A2Trace CTrace C1Sea~oor multipleEast Branch PointBuchon fault zoneHosgri Fault ZoneHosgri Fault ZoneGrabenSea~oor multipleEast Branch PointBuchon fault zone 41504 41505 6100111208110071111311205 102011120451111 51202 51203Two-way Travel Time (s)
Distance along profile (m)
Depth (m)???M???11208 512035111111008 4150411205 2120111113 61001 1020111207 51202 41506112041120911206 100055111711006 2120251110 20005 4150521101 100011111461211110075111211007 40004 120&deg;57'W 120&deg;57'W 120&deg;58'W 120&deg;58'W 35&deg;17'N 35&deg;17'N 0 0.5 0.25 km&#xdc;????Trace C1Trace C1Trace CTrace CTrace A2Trace A2Seismic prole in (a)Graben AGraben B SW SW NE NE (a)(b)Graben Associated with Hosgri Fault Zone: (a) 2D Seismic-Reflection Profile 1039 Showing Fault Boundaries and Sediment Fill and (b) Map View Showing Faults, Graben, and MBES BathymetryDCPP 3D/2D Seismic-Reflection InvestigationLocation of seismic profile as shown on Plate 3bEXPLANATIONNote:Depth values on seismic profile assume a velocity of 1,600 m/s.
High Low Amplitude?Faults, solid where well located, dashed where

inferred or approximately located, queried where

uncertain, dotted where buried by more than

20 milliseconds of undeformed strataGraben, queried where full extent is uncertainApproximate location of Hosgri fault traces from PG&E (2011b)
Syncline Anticline Monocline Location Map DCPP Point BuchonPacific Gas and Electric Company Foldout CShallow unconformity described in text
??????????????H o s g r i F a u l t Z o n e H o s gri F aul t Zo n e E a s t   B r a n c h  P o i n t  B u c h o n  f a u l t  z o n e File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Foldout_D.ai; Date: 08/04/2014; User: Serkan Bozkurt, LCI 0.1 0.2 0.3 2,400 800 1,200 1,600 2,000 80 160 240 320 0.4 2,800 3,200 Depth (m)Two-way Travel Time (s)
Distance along profile (m) 400 0.1 0.2 0.3 2,400 800 1,200 1,600 2,000 80 160 240 320 Depth (m)Two-way Travel Time (s)
Distance along profile (m) 0.4 0.5 2,800 3,200 0.5 400East Branch PointBuchon fault zoneBubble- pulseSea~oor multiple VE ~ 3.5x Sea~oor multipleBubble- pulseEast Branch PointBuchon fault zone 40004 20001 20000 6150611003 1000211001 51002 VE ~ 3.5x SW NE SW NE M M M M M M M M M M M M 120&deg;56'W 120&deg;56'W 120&deg;57'W 120&deg;57'W 35&deg;16'N 35&deg;16'N 120&deg;56'W 120&deg;56'W 120&deg;57'W 35&deg;16'N 0 0.5 0.25 km&#xdc;120&deg;56'W 120&deg;56'W 120&deg;57'W 120&deg;57'W 35&deg;16'N 35&deg;16'N 120&deg;56'W 120&deg;56'W 120&deg;57'W 35&deg;16'N 0 0.5 0.25 km&#xdc;1000211001 6150611003 20001 2 0 0 0 2 20000 51002 40004 4000611116 40005 40007 20004 20006 61503 41301 61501 6150261101 SW NE SW NE H o s g r i    F a u l t     Z o n e P o i n t  B u c h o n f a u l t z o n e E a s t  B r a n c h  P o i n t  B u c h o n  f a u l t  z o n e (a)(c)(b)
(d)DCPP Point BuchonDCPP 3D/2D Seismic-Reflection InvestigationEXPLANATION
?Faults, solid where well located, dashed where inferred or approximately located, queried where

uncertain, dotted where buried by more than

20 milliseconds of undeformed strata Location Map D Relationship of the Hosgri and Point Buchon Fault Zones in Northern Part of Survey Area: (a) Uninterpreted and (b) Interpreted 3D Profile 11200; (c) Uninterpreted and (d) Interpreted Amplitude Time Slice at 150 ms (TWTT)
Location of seismic profile shown on Plate 3b Notes: - Depth values on seismic profile assume

a velocity of 1600 m/sec.
- Map projections: UTM Zone 10N, WGS 84 Syncline AnticlineTime slice horizon High Low Amplitude Uninterpreted InterpretedPacific Gas and Electric CompanyPacific Gas and Electric Company FoldoutPoint Buchon fault zoneHosgriFault ZoneHosgriFault ZonePoint Buchon fault zoneFlatBedsFlatBedsFlatBedsFlatBeds}}