ML14260A033
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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
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V OFFSHORE SANTA MARIA BASIN WESTERN TRANSVERSE SAN RAFAEL RANGE RANGES Estero Bay Point Arguello SOUTHERN COAST RANGES RANGE LUCIA SANTA Rinconada fault Nacimiento fault zone San ta Y
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DCPP Point Conception Location of 3D/2D survey ault zo 34° 30' N 121° 30' W 121° W 120° 30' W 120° W 121° 30' W 121° W 120° 30' W 120 W 34° 30' N 35° 00' N 35° 00' N 35° 30' N 35° 30' N 36° 00' N 36° 00' N
Ü DCPP 3D/2D Seismic-Reflection Investigation 1-1 Pacific Gas and Electric Company Figure EXPLANATION Regional Tectonic Setting with Faults and Structural Domains (Modified from PG&E, 1988)
SalinianTerrane Stanley Mountain Terrane San Simeon Terrane Patton Terrane Sur-Obispo Composite (McCulloch, 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 0
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Ü DCPP Point Buchon
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101 120°40'W 120°40'W 120°45'W 120°45'W 120°50'W 120°50'W 120°55'W 120°55'W 35° 20'N 35° 20'N 35° 15'N 35° 15'N 35° 10'N 35° 10'N 35° 5'N 35° 5'N LOS B ERROS FA ULT S
E s t e r o B a y San Lui s Obi spo B ay Morro Bay Pismo Beach Point Buchon San Luis Obispo CAM BRIA FA ULT LOS O SOS FAU LT EDN A FA ULT SHORELI NE F AULT ZO NE LOS B ERROS FA ULT S
PECHO FA ULT S
SAN MI GUELI TO F AUL T
SAN LUIS BAY FAU LT DCPP I r i s h H i l l s WILM AR AVE
BUCH ON FAU LT ZONE PT.
BUCH ON FAU LT ZONE 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 DCPP 3D/2D Seismic-Reflection Investigation 1-2 Pacific Gas and Electric Company Figure EXPLANATION 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 block Santa 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, LCI Signal frequency (Hz)
Source: Sheriff and Geldart (1995)
DCPP 3D/2D Seismic-Reflection Investigation 1-3 Pacific 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, LCI Navigation Antenna 16-Channel GeoEel Hydrophone Streamer CRP (3.125m Group Interval)
Tow Depth - 1 to 2m Navigation Antenna Triple-Plate Boomer 6.25 m BOOM BOOM GPS GPS GPS 16-Channel GeoEel Hydrophone Streamer (3.125m Group Interval) 16-Channel GeoEel Hydrophone Streamer (3.125m Group Interval) 16-Channel GeoEel Hydrophone Streamer (3.125m Group Interval) 16-Channel (4)
GeoEel Hydrophone Streamer (3.125m Group Interval) 6.25 m 6.25 m GPS(4)
Triple-Plate Boomer GPS GPS GPS GPS Antenae
&E 3D Survey ect No. 2010.256 FIGUR 3D SURVEY LAYBACK DIAGRAM PG&E Diablo Canyon Power Plant Central California Navigation Antenna 16-Channel GeoEel Hydrophone Streamer CRP (3.125m Group Interval)
Tow Depth - 1 to 2m Navigation Antenna Triple-Plate Boomer 6.25 m BOOM BOOM GPS GPS GPS 16-Channel GeoEel Hydrophone Streamer (3.125m Group Interval) 16-Channel GeoEel Hydrophone Streamer (3.125m Group Interval) 16-Channel GeoEel Hydrophone Streamer (3.125m Group Interval) 16-Channel (4)
GeoEel Hydrophone Streamer (3.125m Group Interval) 6.25 m 6.25 m GPS(4)
Triple-Plate Boomer GPS GPS GPS GPS Antenae PG&E 3D Survey Project No. 2010.256 3D SURVEY LAYBAC PG&E Diablo Canyon Central Califo N:\\Projects\\2010_Proposals\\2010-256_PGE_3D_Surveys\\Outputs\\2010_07_16_Proposal\\cdr\\Fig3_PCable Layback Diagram.cdr, began 9-17-10 DCPP 3D/2D Seismic-Reflection Investigation 2-1 Pacific 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 c
Triple-Plate Boomer 25.00 m 42.50 m d
CRP = 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 0
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Ü DCPP Point Buchon 120°52'W 120°54'W 120°54'W 120°56'W 120°56'W 120°58'W 120°58'W 35° 16'N 35° 6'N 35° 14'N 35° 14'N 35° 12'N 35° 12'N Crowbar Islay Point Point Buchon DCPP 3D/2D Seismic-Reflection Investigation 2-2 Pacific Gas and Electric Company Figure EXPLANATION 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 Map 2002 1948 1966 1984 1876 1894 1912 1354 1930 1786 1858 1840 1768 1714 1570 1696 1750 1678 1822 1732 1390 1804 1498 1426 1408 1642 1624 1462 1336 1588 1318 1444 1300 1606 1516 1282 1660 1552 1264 1192 1246 1174 1236 1228 1156 1210 1102 1120 1084 1066 1048 1138 1030 2011 1993 1867 1975 1939 1885 1921 1957 1903 1831 1705 1723 1759 1777 1669 1741 1381 1813 1687 1399 1651 1795 1363 1507 1489 1471 1111 1633 1327 1579 1309 1453 1615 1525 1435 1597 1291 1273 1561 1543 1183 1165 1345 1255 1147 1201 1129 1093 1057 1039 1075 1021 1003 1219 1534 1012 1417 1372 1480 Approximate boundary of high-resolution MBES data Ch2.GEO.DCPP.TR.12.01 R1
File path: S:\\13800\\13838\\13838.002\\Figures\\20120210_SIT\\Ai\\Figure_0203.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI DCPP 3D/2D Seismic-Reflection Investigation 2-3 Pacific 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 2-4 Pacific 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, LCI DCPP 3D/2D Seismic-Reflection Investigation 2-5 Pacific 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 point Two-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, LCI www.fugro.com Fugro Seismic Imaging, Inc.
Processing Flow Low Cut Filter Swell Noise Attenuation Transcription Trace Edits Surface Related Multiple Attenuation Velocity Analysis Binning Interpolation Navigation Merge Gun and Cable Statics Initial Noise Elimination Gain Recovery Static Correction Raw Data QC QC QC QC QC QC QC QC QC QC QC QC SRME Unmigrated 3D Volume Migration Velocity Analysis Signature Deconvolution Post-Stack Migration Crossline Statics Sort to offset Interpolate 3D Kirchhoff Prestack Time Migration Mute Stack Time-Variant Filter QC QC QC Post Stack Scaling Final PSTM 3D Volume QC Final Unmigrated 3D Volume Raw PSTM 3D Volume Processing Flow DCPP 3D/2D Seismic-Reflection Investigation 2-6 Pacific 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 of 1,600 m/s.
DCPP 3D/2D Seismic-Reflection Investigation (a) Uninterpreted seismic profile Line 12120 Pacific Gas and Electric Company Figure
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08 11 SW NE Hosgri Fault Zone Hosgri Fault Zone 71503 71 04 5
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Distance along profile (m) 0.3 0.4 VE ~ 3.5x NE Two-way t ravel t ime (s)
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0.1 0.2 1,400 1,800 2,200 2,600 3,000 80 160 240 320 Depth (m)
Distance along profile (m) 0.3 0.4 VE ~ 3.5x SW NE Two-way t ravel t ime (s) 614 2 0
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fault (not shown on map)
Minor intra-formational Location of seismic profile shown on EXPLANATION Plate 3b High Low Syncline
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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 Area of poor interpretability Time slice horizon Anticline Figure extent in blue (b) Interpreted seismic profile Line 12120 Amplitude (c) Location map 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_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 Ch2.GEO.DCPP.TR.12.01 R1
File path: S:\\13800\\13838\\13838.002\\Figures\\20120210_SIT\\Ai\\Figure_0401.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI 0
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Ü DCPP Point Buchon 35° 16'N 120°56'W 120°56'W 35° 16'N DCPP 3D/2D Seismic-Reflection Investigation 4-1 Pacific Gas and Electric Company Figure Time Slice Explanation EXPLANATION 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 Ch2.GEO.DCPP.TR.12.01 R1
DCPP 3D/2D Seismic-Reflection Investigation (a) Uninterpreted seismic profile Pacific Gas and Electric Company Figure (b) Interpreted seismic profile 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.
EEXPLANATION
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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 Erosional surface (top of Tertiary rock)
Location of seismic profile shown on Plate 3b DCPP Point Buchon Location Map 0.1 0.05 0.15 0.2 3,200 3,600 4,000 80 40 160 120 Depth (m)
Two-way travel time(s)
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Minor intraformational fault Bubble-pulse Seafloor Parabolic Wave-cut platform bedding artifacts Possible shoreline angle multiple Minor (not shown on map)
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Shoreline angle Line 13340 SW NE Line 13340 SW NE 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 Ch2.GEO.DCPP.TR.12.01 R1
DCPP 3D/2D Seismic-Reflection Investigation (a) Uninterpreted seismic profile Line 12120 Pacific Gas and Electric Company Figure (b) Interpreted seismic profile Line 12120 (c) Location map 120°55'W 120°55'W 120°56'W 120°56'W 35°15'N 35°15'N 0
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Ü DCPP Point Buchon Sand sheets A
B C
Rock SW NE Location of seismic profile shown EXPLANATION on Plate 3b Note: Depth values on seismic profile assume High a velocity of 1,600 m/s.
Low Amplitude Location of mobile sand sheet margins Erosional surface (top of Tertiary rock) 0.1 0.05 0.15 0.2 1,400 1,800 2,200 80 160 120 40 VE ~ 3.5x SW NE 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 Sand sheet margins A
B C
VE ~ 3.5x Seafloor SW NE 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 between Tertiary bedrock and Quaternary deposits Bubble pulse Ch2.GEO.DCPP.TR.12.01 R1
Pacific Gas and Electric Company Figure File path: S:\\13800\\13838\\13838.002\\Figures\\20120210_SIT\\Figure_0603.mxd; Date: 07/17/2014; User: Serkan Bozkurt, LCI; Rev.1 Figure extend DCPP Point Buchon Figure extent DEM of Bedrock Surface with Sediment Removed in the Point Buchon Study Area Trackline - perpendicular artifact Trackline - parallel artifact Trackline - parallel artifact Trackline - perpendicular artifact Olson Hill Coon Creek I s l a y C r e e k DCPP Green Peak Lion Rock Point Buchon Oats Peak
-120°52'
-120°52'
-120°56'
-120°56' 35°16' 35°16' 35°12' 35°12' 0
1 0.5 km 6-3 DCPP 3D/2D Seismic-Reflection Investigation Earthquake Data Magnitude 2.0 - 2.9 3.0 - 3.5 0.0 - 0.9 1.0 - 1.9 Depth (Km) 8.0 - 9.9 10.0 - 11.9 12.0 - 13.9 14.0 +
0.0 - 1.9 2.0 - 3.9 4.0 - 5.9 6.0 - 7.9 3D/2D survey area extent EXPLANATION Ch2.GEO.DCPP.TR.12.01 R1
DCPP 3D/2D Seismic-Reflection Investigation (a) Uninterpreted seismic profile Line 11180 Pacific Gas and Electric Company Figure (b) Interpreted seismic profile Line 11180 (c) Location map 0.1 0.2 0.3 0.4 0.5 400 800 1,200 1,600 2,000 80 160 240 320 Depth (m)
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SW NE a.
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P int Buchon ault one Hosgri Fault Zone Explanation 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 Anticline Note: Depth values on seismic profile assume a velocity of 1,600 m/s.
0.1 0.2 0.3 0.4 0.5 400 800 1,200 1,600 2,000 80 160 240 320 Depth (m)
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Point Buchon fault zone Hosgri Fault Zone 2
0 00 0 SW NE Bubble pulse Seafloor VE ~ 3.5x 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 Ch2.GEO.DCPP.TR.12.01 R1
File path: S:\\13800\\13838\\13838.002\\Figures\\20120210_SIT\\Ai\\Figure_0605.ai; Date: 07/29/2014; User: Serkan Bozkurt, LCI F
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Ü DCPP Point Buchon P o i n t B u c h o n f a u l t z o n e
Hosgri Fault Zone Hosgri Fault Zone 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 6-5 Pacific Gas and Electric Company Figure EXPLANATION High Low Amplitude Syncline Anticline 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
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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
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File path: S:\\13800\\13838\\13838.002\\Figures\\20120210_SIT\\Ai\\Figure_0606.ai; Date: 07/17/2014; User: Serkan Bozkurt, LCI 120°55'W 120°55'W 120°56'W 120°56'W 35°15'N 35°15'N 0
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Ü DCPP Point Buchon Time slice intersects water column in this region Seafoor Surfcial unconsolidated sediment Bedrock Interpreted Uninterpreted (a)
(b)
DCPP 3D/2D Seismic-Reflection Investigation 6-6 Pacific Gas and Electric Company Figure EXPLANATION
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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)
DCPP 3D/2D Seismic-Reflection Investigation (a) Uninterpreted seismic profile Line 1120 Pacific Gas and Electric Company Figure (b) Interpreted seismic profile Line 1120 (c) Location map M
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Trace C Note: Depth values on seismic profile assume a velocity of 1,600 m/s.
Graben, queried where full extent is uncertain Location of seismic profile shown Explanation 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
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Low Amplitude High 0.1 0.2 0.3 0.4 200 0
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Depth (m) multiple Seafoor Bubble-pulse Seafoor Trace C Seafloor Hosgri Fault Zone Point Buchon fault zone multiple Seafloor SW 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 Ch2.GEO.DCPP.TR.12.01 R1
DCPP 3D/2D Seismic-Reflection Investigation (a) Uninterpreted seismic profile Line 11820 Pacific Gas and Electric Company Figure (b) Interpreted seismic profile Line 11820 (c) Location map
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1 10 0 11503 0 08 4 0 3
1 30 3
21502 31301 00 3 1
0 10002 302 31 1
0 40 0 6
02 14 21501 1
0 0
1 5
313 4 0
61201 11 0 0 4 1
7 401 6
13 0
2 31502 2
1150 1305 3
61504 20003 11501 61505 51301 1
1 10 0 1 503 1
6 101 1
20002 p
s S lay Splays Hosgri Fault Zone Splays SW NE Location Map East Bra nch Point Buchon faul t zone East Bra nch Point Buchon faul t zone Point Buchon fault zone Hosgri Fault Zone Hosgri Fault Zone Note: Depth values on seismic profile assume a velocity of 1,600 m/s.
Location of seismic profile Explanation shown on Plate 3b High Low Amplitude
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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 Time slice horizon Anticline Syncline 0.1 0.2 0.3 1,200 1,600 2,000 2,400 2,800 80 160 240 Depth (m)
Distance along profile (m)
SW NE Two-way travel time(s)
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0.1 0.2 0.3 1,200 1,600 2,000 2,400 2,800 80 160 240 Depth (m)
Distance along profile (m)
East Branch Point Buchon fault zone splays Point Buchon fault zone SW NE Two-way travel time(s)
Seafloor 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 Ch2.GEO.DCPP.TR.12.01 R1
DCPP 3D/2D Seismic-Reflection Investigation (a) Uninterpreted seismic profile Line 1399 Pacific Gas and Electric Company Figure (b) Interpreted seismic profile Line 1399 (c) Location map Note: Depth values on seismic profile assume a velocity of 1,600 m/s.
0.1 Splays Sp Sp Sp Sp Sp Sp Sp Sp Sp Sp Sp S ays ys ys ys ys ys y
Sp Sp Sp Sp Sp Sp Sp Sp Sp Sp Sp Sp Sp Splays ys ys ys ys ys ys ys ys ys yy
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31302 40 08 0
002 1
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40001 31301 20002 11001 14 2 6
0 51002 21501 5
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31304 31302 61201 11004 71401 302 61 1
3 502 31305 4
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6110 00 20 3
100 07 1 01 3
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02 6 5 3 1 0 61505 3 3 1 01 P
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fa ne oi t B chon ult zo Hosgri Fault Zone East Bra nch Point Buchon faul t zone East Bra nch Point Buchon faul t zone Hosgri Fault Zon SW NE 150 7
3 4
7150 5
71 05 715 6 0
71507 150 7
3 4
7150 5
71 05 715 6 0
715 7 0
0.2 0.3 0.4 400 800 1,200 1,600 2,000 2,400 80 160 240 320 Depth (m)
Distance along profile (m)
Two-way travel time(s)
NE SW
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Distance along profile (m)
Two-way travel time(s)
Minor intraformational faults (not shown on map) 31302 Seafloor Hosgri Fault Zone Point Buchon fault zone NE Bubble pulse SW Location of seismic profile EXPLANATION shown on Plate 3b High Low Amplitude
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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 Time 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 Ch2.GEO.DCPP.TR.12.01 R1
File path: S:\\13800\\13838\\13838.002\\Figures\\20120210_SIT\\Ai\\Figure_0610.ai; Date: 07/18/2014; User: Serkan Bozkurt, LCI DCPP 3D/2D Seismic-Reflection Investigation 6-10 Pacific Gas and Electric Company Figure Seismicity and Focal Mechanisms in the Study Area EXPLANATION
-121
-120.95
-120.9
-120.85
-120.8
-120.75
-120.7 35.1 35.15 35.2 35.25 35.3 0
5 km Earthquakes
< 2.0 2.0 - 2.99 3.0 - 3.99 0
2 4
6 8
10 12 14 16 18 km depth magnitude
<2.0 2.0 - 2.9 3.0 - 3.9 Hash Quality A,B,C Hardebeck, 2010 (HASH; Hardebeck and Shearer, 2002)
Hash Quality D Hardebeck, 2010 (HASH; Hardebeck and Shearer, 2002)
FPFIT NCEDC, 2010 (FPFIT; Reasenberg and Oppenheimer, 1985)
FPFIT NCEDC, 2010 to 2014 (FPFIT; Reasenberg and Oppenheimer, 1985)
Focal Mechanisms Ch2.GEO.DCPP.TR.12.01 R1
File path: S:\\13800\\13838\\13838.002\\Figures\\20120210_SIT\\Ai\\Figure_0701.ai; Date: 08/04/2014; User: Serkan Bozkurt, LCI DCPP 3D/2D Seismic-Reflection Investigation 7-1 Pacific 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
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9 10 11 12 13 14 15 16 17 0
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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 Field QTs QTs EXPLANATION QTs: 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 - 3.99 Hash 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
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120°54'W 120°54'W 120°55'W 120°55'W 120°56'W 120°56'W 120°57'W 120°57'W 35°16'N 35°16'N 35°15'N 35°15'N 120°54'W 120°54'W 120°55'W 120°55'W 120°56'W 120°56'W 120°57'W 120°57'W 35°16'N 35°16'N 35°15'N 35°15'N 120°54'W 120°54'W 120°55'W 120°55'W 120°56'W 120°56'W 120°57'W 120°57'W 35°16'N 35°16'N 35°15'N 35°15'N 120°54'W 120°54'W 120°55'W 120°55'W 120°56'W 120°56'W 120°55'W 120°56'W 120°57'W 120°57'W 35°16'N 35°16'N 35°15'N 35°15'N 0
0.5 0.25 km
Ü 0
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Ü 0
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Ü 40008 10002 11001 3
1 30 3
21502 31301 20002 10003 11003 61506 20001 51102 61402 51002 40001 21501 51001 31304 20000 40006 51121 61201 11004 71401 61302 31502 31305 61504 6
1 10 1
11502 20006 61503 20 0
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51301 11010 20002 31301 40007 51101 40004 11503 40005 61505 20004 31304 40008 10002 11001 3
1 30 3
21502 31301 20002 10003 11003 3
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02 61506 20001 51102 61402 51002 40001 21501 51001 31304 20000 40006 51121 61201 11004 71401 61302 31305 61504 6
1 10 1
11502 20006 61503 20 0
0 3
51301 11010 20002 31301 40007 51101 40004 11503 40005 61505 31304 Flat Beds Seafoor multiple East Branch Point Buchon fault zon e
Point Buchon faul t zo n
e Hosgri Fault Zone Seafoor multiple Flat Beds Point Buchon faul t zo n
e Point Buchon faul t zo n
e Point Buchon faul t zo n
e Seafoor multiple Hosgri Fault Zone Hosgri Fault Zone Hosgri Fault Zone East Branch Point Buchon fault zon e
East Branch Point Buchon fault zon e
East Branch Point Buchon fault zon e
Flat Beds Flat Beds Flat Beds Flat Beds Flat Beds Flat Beds DCPP Point Buchon Pacific Gas and Electric Company Foldout (a)
(c)
(b)
(d)
Interpreted Amplitude Uninterpreted Amplitude Uninterpreted Similarity Interpreted Similarity DCPP 3D/2D Seismic-Reflection Investigation EXPLANATION High Low Amplitude Syncline Anticline Monocline
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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 Ch2.GEO.DCPP.TR.12.01 R1
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~3.1x Minor intraformational fault (not shown on map)
Faults 71503-71507 are highly uncertain because they strike parallel to a pervasive northeast 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 71507 Minor intraformational fault (not shown on map)
Faults 71503-71507 are highly uncertain because they strike parallel to a pervasive northeast trending artifact in the 3D data Two-way Travel Time (s)
Distance along profile (m)
Depth (m)
Pacific Gas and Electric Company Foldout B F
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Ü 10003 10007 11108 11012 11502 11302 11301 11109 10004 11501 11010 11503 71503 71504 71505 71506 71507 40008 10003 40001 21502 3
1303 31301 31302 10007 10002 61402 71503 71504 71505 71506 71507 11108 40003 21501 11012 51001 31304 11502 11302 11301 61201 11004 71401 11109 6
13 0
2 31502 31305 20002 10004 11501 20003 40002 51301 11010 31301 61504 11503 120°54'W 120°54'W 120°55'W 120°55'W 120°56'W 120°56'W 120°54'W 120°55'W 120°56'W 35°15'N 35°15'N 35°14'N 35°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 SE Bubble-pulse User selected profle Location of seismic profile shown on Plate 3b EXPLANATION Note: Depth values on seismic profile assume a velocity of 1,600 m/s.
High Low Amplitude Location Map Syncline Anticline
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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 H40 Time slice at 0.150 seconds Horizon Name Time slice horizon User-selected profle Bubble pulse East Bra nch Point Buchon faul t zone East Bra nch Point Buchon faul t zone Bend in profle Splays Point Buchon faul t zo n
e Point Buchon faul t zo n
e Hosgri Fault Zone Splays Bend in profle
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File path: S:\\13800\\13838\\13838.002\\Figures\\20120210_SIT\\Ai\\Foldout_C.ai; Date: 07/29
/2014; User: Serkan Bozkurt, LCI
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0.1 0.2 0.3 400 800 1,200 1,600 2,000 80 160 2,400 2,800 240 Trace A2 Trace C Trace C1 Bubble pulse Bubble pulse Trace A2 Trace C Trace C1 Seafoor multiple East Branch Point Buchon fault zone Hosgri Fault Zone Hosgri Fault Zone Graben Seafoor multiple East Branch Point Buchon fault zone 41504 41505 61001 11208 11007 11113 11205 10201 11204 51111 51202 51203 Two-way Travel Time (s)
Distance along profile (m)
Depth (m)
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11208 51203 51111 11008 41504 11205 21201 11113 61001 10201 11207 51202 41506 11204 11209 11206 10005 51117 11006 21202 51110 20005 41505 21101 10001 11114 61211 11007 51112 11007 40004 120°57'W 120°57'W 120°58'W 120°58'W 35°17'N 35°17'N 0
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Trace C1 Trace C1 Trace C Trace C Trace A2 Trace A2 Seismic profle in (a)
Graben A Graben 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 Bathymetry DCPP 3D/2D Seismic-Reflection Investigation Location of seismic profile as shown on Plate 3b EXPLANATION Note: Depth values on seismic profile assume a velocity of 1,600 m/s.
High Low Amplitude
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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 Graben, queried where full extent is uncertain Approximate location of Hosgri fault traces from PG&E (2011b)
Syncline Anticline Monocline Location Map DCPP Point Buchon Pacific Gas and Electric Company Foldout C Shallow unconformity described in text
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Hosgri Fault Zone Hosgri Fault Zone East Branch Point Buchon f ault zo ne Ch2.GEO.DCPP.TR.12.01 R1
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 0.5 400 East Branch Point Buchon fault zone Bubble-pulse Seafoor multiple VE ~ 3.5x Seafoor multiple Bubble-pulse East Branch Point Buchon fault zone 40004 20001 20000 61506 11003 10002 11001 51002 VE ~ 3.5x SW NE SW NE M
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Ü 120°56'W 120°56'W 120°57'W 120°57'W 35°16'N 35°16'N 120°56'W 120°56'W 120°57'W 35°16'N 0
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Ü 10002 11001 61506 11003 20001 2
0 0
02 20000 51002 40004 40006 11116 40005 40007 20004 20006 61503 41301 61501 61502 61101 SW NE SW NE Hosgri Fault Z one Point Bu chon f ault zo ne East Branch Point B uchon faul t zon e
(a)
(c)
(b)
(d)
DCPP Point Buchon DCPP 3D/2D Seismic-Reflection Investigation EXPLANATION
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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 Anticline Time slice horizon High Low Amplitude Uninterpreted Interpreted Pacific Gas and Electric Company Pacific Gas and Electric Company Foldout Point Buchon fault zone Hosgri Fault Zone Hosgri Fault Zone Point Buchon fault zone Flat Beds Flat Beds Flat Beds Flat Beds Ch2.GEO.DCPP.TR.12.01 R1