DCL-14-081, Diablo Canyon Units 1 and 2, Central Coastal California Seismic Imaging Project (Cccsip) Chapter 2, GEO.DCPP.TR.12.01 R1 Plates 09-02-14
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H O S G R I F A U L T Z O N E Hosgri S G R I F A N 40 o W FAULTNORTHCENTRALSEGMENT SHORELINEFAULTSEGMENT3D south survey boundary2D survey boundaryIrish Hills3D primary survey boundaryDCP PCrowbarLion RockCoon CreekIslay PointDiablo CoveIslay CreekPoint BuchonDiablo CanyonHazard CanyonCrowbar CanyonQsQswQsTmpmTmpmTmpmTmm?QsKsTmmQsTmmQswTmoQswQswQswTmpmTmoTmo?TmpmTmodQsTmo?TmoKsTmo?TmorTmm?QsTmodQswKJfmv?KJfmvTmorTmo?KJfmv?Tmo?QsTmo?TmorTmm?Qsw/QcsTmo?KsTmorTmo?TmorTmo?Tmm?Tmo?Qsw/QcsTmorTmm?Tmm?Tmo?Tmm?Tmm?Tmm?Tmm?TmodQswKJfmv120.86° W120.86° W120.88° W120.88° W120.9° W120.9° W120.92° W120.92° W120.94° W120.94° W120.96° W120.96° W35.3° N35.3° N35.28° N35.28° N35.26° N35.26° N35.24° N35.24° N35.22° N35.22° N35.2° N35.2° N35.18° N35.18° NPacific Gas and Electric CompanyFile path: S:\13800\13838\13838.002\Figures\20120210_SIT\Plate_01.ai; Date: 07/03/2012; User: DCPP101101Plate 1Map scale: Map projection: NAD 83, UTM Zone 10 NorthDCPP 3D/2D Seismic-Reflection InvestigationFigureLocation1:20,000 02,0004,0001,000 ft.01,000500 m 01020 5mi.0204010 kmPLATE 1 Geology of Interpreted Offshore Structuresfrom the 2011 Shoreline FaultZone Report (PG&E, 2011b)
Symbols Depth (km)
Magnitude Contact; solid where well located, dashed where inferred or approximately located, dotted where
concealed, queried where questionably inferred Syncline; solid where well located, dashed where approximate, dotted where concealed, queried
where questionably inferred Anticline; solid where well located, dashed where approximate, dotted where concealed, queried
where questionably inferred Fault; T ertiary age or older (inactive), solid where well located, dashed where approximate, dotted where concealed, queried where questionably inferredFault; slip rate <1 mm/yr, solid where well located, dashed where approximate, dotted where concealed, queried where questionably inferredt, shown as solid where well located, dashed where
approximate, queried where questionably inferred Lineament; solid where well expressed, dashed where moderately expressed Measured bedding orientation
Picks of faults and fold axes interpreted from shallow seismic survey lines 47 0.0 to 0.9 1.0 to 1.9
2.0 to 2.9
3.0 to 3.5 8.0 to 9.910.0 to 11.9 12.0 to 13.9 14.0 +0.0 to 1.9 2.0 to 3.9 4.0 to 5.9 6.0 to 7.9 Seismicity 1987 to 2008 (Hardebeck, 2010)EXPLANATIONTovTmpeTmofTmrTmpmTmpTmorTmodTmoTmmKsKJfo sKJfmvKJfmKJfTppgTppbTppsQf afQoaQmQlsQeQcQalQswQsQcs Geologic Units Unconformity Unconformity Unconformity Unconformity Unconformity Faulted Progressive unconformity Unconformity Local unconformity Quaternary Oligocene Miocene Pliocene Jurassic/CretaceousTertiaryTertiary Note: Geologic units with two labels separated by a slash (e.g., Qoa/Qc) indicate depth profiles in which the former unit overlies the latter.
Artificial fillMarine sediments, offshore; includes unconsolidated marine sands and silts on the continental shelfSand wave deposits, offshore dune-like sand deposits typically less than 50 cm thick mobilized by large storm surges Alluvium; unconsolidated gravel, sand, silt, and clay Colluvium; unconsolidated poorly sorted gravel, sand, silt, and clay produced by hillslope processes Landslide deposits; arrows show direction of inferred movement Eolian deposits; active and inactive sand dunes
Fluvial terrace deposits; unconsolidated gravel, sand, silt, and clay deposited in stream valleysFluvial channel deposits, offshore; generally overlain by transgressive marine sand and silt Marine terrace deposits; unconsolidated gravel, sand, silt, and clay commonly overlain by alluvial fan and colluvial deposits Older alluvium; poorly consolidated siltstone, claystone, and conglomerate Edna Member of the Pismo Formation; fine- to coarse-grained sandstone, locally bituminous Miguelito Member of the Pismo Formation; brown claystone and siltstone Monterey Formation; chert with siliceous and dolomitic siltstone, tuffaceous sandstone, diatomite, and opaline and porcelaneous
shaleObispo Formation, undifferentiatedObispo Formation; tuffaceous and diatomaceous sandstone and silty sandstone Obispo Formation; diabase Obispo Formation; resistant zeolitized tuff Rincon Formation; dark brown siltstone, and silty claystoneVaqueros Sandstone; conglomerate and sandstone, with local coquina horizonPismo Formation; undifferentiated Squire Member of the Pismo Formation; massive white to tan, medium-
to coarse-grained sandstone Belleview Member of the Pismo Formation; sandy claystone, siltstone; claystone and fine-grained sandstone, diatomaceous horizons Gragg Member of the Pismo Formation; fine- to medium-grained sandstone, rare diatomaceous siltstone, pebble conglomerate, and
bituminous sandstoneUndifferentiated well bedded brown fine- to coarse-grained arkosic
to lithic sandstone with shaleFranciscan Complex, undifferentiated Franciscan Complex rocks, melange: sheared shale, mudstone and siltstone with knockers of graywacke, schist, conglomerate, metavolcanic rocks, and green, white, or red chert Franciscan Complex, metavolcanic rocks
Franciscan Complex, ophiolite
Serpentine Note: Geologic map shown here is an excerpt of Plate 1 from PG&E (2011b). Not all geologic units in the explanation are present on the map.
Approximate survey boundaries
????Jereme Chandler, LCI Pacific Gas and Electric CompanyFile path: S:\13800\13838\13838.002\Figures\20120210_SIT\Plate_02.ai; Date: 07/03/2012; User: Jereme Chandler, LCI F F M M M F M M M M M M F F F F F F F F M M F F M F M M M M M M M????????????????????????????F F F F F M M M M M M M M??M M M M?????M??MMM M M M M M F F F M M M M M M?????F F F F M M M M M M M M M M M M M M R R??????????????3D south survey boundary 2D survey boundaryIrish Hills 3D primary survey boundary 40008 100021101311109 10003 40001 2150211001 3 1 3 0 351117 31301 10007115071120811305 2 0 0 0 1001311014 615061150611003 10004 31302 61515 60501 61512 20001 51203 5120251102 61402 413011101511108115096151151111 51002 400035110511008 1 1 5 0 5 20004 61514 21501 2120211116 100011130211012 51001 10009 31304 4 1 5 0 41120511502 2 1 2 0 1 71506 1 1 2 0 9 7150751115 2 0 0 0 011113 6 1 0 0 10201 40006 6 1 5 1 95110151121 715011130311207 41505 6100311301 61201 41506 71505 61301 715041001111019112041100451110 6150711304 71401 6 1 5 2 0 6 1 3 0 2 1001211124 40007 31502 71502 100102110111206 71503 10005 2000511005 1 1 0 1 611006 31305 61504 61205 4150361101 6151311017 612071150811511 61517 41502 6151811512 512011150411018 1 1 5 0 311501 61202 615036110311011 61516 20003 400025110461211110076110251112 6150851118 61505 513011151011010 61510 313041110951110 31301 20002 6 1 1 0 311007 Crowbar Lion Rock Coon Creek Islay Point Diablo Cove Islay Creek Point Buchon Hazard Canyon Crowbar Canyon 40005 2000611114 61501 41501 61401 6120651119 61509 61502 61202 120°52'W 120°52'W 120°54'W 120°54'W 120°56'W 120°56'W 120°58'W 120°58'W 35°18'N 35°18'N 35°16'N 35°16'N 35°14'N 35°14'N 35°12'N 35°12'N 35°10'N 35°10'NEXPLANATION DCPP£101£ 101 Graben A Graben B/Syncline axis 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 M Anticline axisPLATE 2 Structure Map Based on Low Energy 3D/2D Seismic-Reflection Data Plate 2 Map scale:
Map projection: NAD 83
UTM Zone 10 North 1:20,000DCPP 3D/2D Seismic-Reflection Investigation F Approximate survey boundaries- Faults and fold axes are shown at the position where they intersect a time slice at 150 milliseconds. Faults that do not
intersect the 150 millisecond time slice were projected vertically
from their intersection with a time slice at either 80 milliseconds
or 300 milliseconds as appropriate.
- Base map is hillshade image developed from MBES bathymetry, taken from Shoreline Fault Zone Report, the PG&E (2010) coastal LiDAR survey, and the San Luis Obispo County 5 m DEM.
Notes: Area of poor interpretability 0 2,000 4,000 1,000 ft.0 1,000 500 m 0 10 20 5 mi.0 20 40 10 km+/-Figure Extent?First digit
- Name or trend of fault trace Second digit - Differentiates a primary strand (digit equals zero) from secondary strand of a fault zone or group of faults (digit equal to or greater than 1)
Third digit
- Fault attitude and direction of movement 0 = Strike-slip - vertical to near-vertical fault 1 = Normal - east-dipping or down on east 2 = Normal - west-dipping or down on west 3 = Reverse - east-dipping or up on east 4 = Reverse - west-dipping or up on west 5 = Uncertain - data interpretability is not sufficient to resolve Fourth and fifth digits
- Individual fault ID number (up to 99 faults can be listed)Faults that are continuous and change in dip along strike are given different numbered fault codes along those segments that dip differently. Fault Name or Trend Five-Digit Code Hosgri Fault Zone Point Buchon fault zoneWestern splays of Point Buchon fault zone East Branch Point Buchon fault zone N-S trending faultsNW-SE trending faults E-W trending faults Other large faults Unassigned faultsExplanation of Numerical Fault Trace Designation 10000 20000 30000 40000 50000 60000 70000 80000 No numbers
????????????Graben, queried where full extent is uncertain
?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 P o i n t B u c h o n f a u l t P o i n t B u c h o n f a u l t H o s g r i F a u l t Z o n e F F F M M M F M M M M M M M F F F F F F F F F F F M M M F F M F F M M M M M M M????????????????????????????????????F F F F F F M M M M M M M M M M??M M M M M????????M???M M M M M M M M M M F F F F F M M M M M M M M M??????F F F F F M M M M M M M M M M M M M M M M????????????????????3D south survey boundary 2D survey boundary Irish Hills 3D primary survey boundary 40008 100021101311109 10003 40001 2150211001 3 1 3 0 351117 31301 10007115071120811305 20002 1001311014 40004 615061150611003 10004 31302 61515 60501 61512 20001 51203 5120251102 61402 413011101511108115096151151111 51002 400035110511008 1 1 5 0 5 20004 61514 21501 2120211116 1 0 0 0 11130211012 51001 10009 31304 4 1 5 0 41120511502 2 1 2 0 1 7150611209 7150751115 2 0 0 0 011113 6 1 0 0 1 10201 40006 6 1 5 1 95110151121 715011130311207 41505 6100311301 61201 41506 71505 61301 715041001111019112041100451110 6150711304 71401 6 1 5 2 0 6 1 3 0 2 40005 1001211124 31502 71502 100102110111206 71503 2000511005 1 1 0 1 611006 31305 61504 61205 4150361101 6151311017 612071150811511 61517 41502 6151811512 512011150411018 1 1 5 0 311501 20006 61202 615036110311011 61516 20003 4000251104612111100761102 6150851118 615051151011010 61510 313041110951110 31301 2000211007 Crowbar Lion Rock Coon Creek Islay Point Diablo Cove Islay Creek Point Buchon Hazard Canyon Crowbar Canyon 40007 1000511114 61501 41501 6140151112 6120651119 51301 61509 61502 6120261103 120°52'W 120°52'W 120°54'W 120°54'W 120°56'W 120°56'W 120°58'W 120°58'W 35°18'N 35°18'N 35°16'N 35°16'N 35°14'N 35°14'N 35°12'N 35°12'N Foldout B Foldout C Figure 6-9 Foldout D Figure 6-4 Figure 6-8 Figure 6-7 Figure 3-1 Figure 6-2 Figure 6-1 F F F F F M M M M F F F M M M M M F F F F M M M M M M M M M F M M M F F M??F??F F F F F M M M F F F M F F M M F F F F F F F M M M M M M M M M M M M F??F M M F F F??????F F M F M M F M?M F F M F F?????????????????????????????????????????F????????????F F M M M M M M M F F M M M M M M F F F M M M M F F F F F M M M M M M???????????????M F F F F???M F F F F F F F F F F M M M M M M M M M M F F F F F F F F????????????F???????????M M M M M M M M M M M M M M M M M???????????????????????????F??M M??????M?????????????????????????????????????????U D D U D U D U U D D UH O S G R I F A U L T Z O N EN 40 o W FAULTNORTHCENTRALSHORELINESEGMENT SHORELINEFAULTSEGMENT 3D south survey boundary 2D survey boundary Irish Hills 3D primary survey boundaryTRACE ATRACE A1TRACE BTRACE CTRACE C2TRACE C2TRACE C1TRACE C1TRACE A2TRACE A2 DCPP Crowbar Lion Rock Coon Creek Islay Point Diablo Cove Islay Creek Point Buchon Diablo Canyon Hazard Canyon Crowbar Canyon 120°52'W 120°52'W 120°54'W 120°54'W 120°56'W 120°56'W 120°58'W 120°58'W 35°18'N 35°18'N 35°16'N 35°16'N 35°14'N 35°14'N 35°12'N 35°12'N- 2010 Project DEM image is shown. This DEM includes 1 m multi-beam bathymetry data (PG&E, 2010), 1 m near-shore LiDAR topography data (PG&E, 2010) and 5 m SLO County InSAR data (SLO County, 2008)
- Map Projection: UTM Zone 10N, NAD 1983, Map Scale:
µPLATE 3 (b)
Comparison of Interpreted Offshore Structures: This Study- Base map is hillshade from PG&E (2011b) project DEM. The DEM includes 1m multibeam bathymetry data, 1 m near-shore LiDAR topography data, and 5 m
InSAR data.
- Map Projection: UTM Zone 10N, NAD 83, Map scale:Data Sources and Notes:
1:25,000µDCPP£101£ 101 DCPP£101£ 101PLATE 3 (a)
Comparison of Interpreted Offshore Structures: Shoreline Fault Zone Report (PG&E, 2011b)Data Sources and Notes:
1:25,000-Base map is hillshade from PG&E (2011b) project DEM. The DEM includes 1 m multibeam bathymetry data, 1 m near-shore LiDAR topography data, and 5 m InSAR data.
-Map Projection: UTM Zone 10N, NAD 1983, Map scale:
+/-+/-File path: S:\13800\13838\13838.002\Figures\20120210_SIT\Ai\Plate_03.ai; Date: 08/04/2012; User: Jereme Chandler, LCI 0 10 20 5 mi.0 20 10 kmFigureExtentFigureExtentPacific Gas and Electric Company 0 10 20 5 mi.0 20 10 kmPacific Gas and Electric Company 0 1 0.5 mi.0 1 2 0.5 km 0 1 0.5 mi.0 1 2 0.5 kmEXPLANATION Depth (km)
Magnitude 0.0 to 0.9 1.0 to 1.9
2.0 to 2.9
3.0 to 3.5 8.0 to 9.910.0 to 11.9 12.0 to 13.9 14.0 +0.0 to 1.9 2.0 to 3.9 4.0 to 5.9 6.0 to 7.9 Seismicity 1987 to 2008 (Hardebeck, 2010)
FLocation of seismic profile used Note: Refer to Plate 2 for details of fault mapping.in figuresApproximate survey boundaries
?Anticline axis MSyncline axis Faults, solid where well located, dashed where inferred or approximately located, queried where uncertain, dotted where
buried by more than 0.020 seconds of
undeformed strata Depth (km)
Magnitude????Contact; solid where well located, dashed where
inferred or approximately located, dotted where
concealed, queried where questionably inferred Syncline; solid where well located, dashed where approximate, dotted where concealed, queried
where questionably inferred Anticline; solid where well located, dashed where approximate, dotted where concealed, queried
where questionably inferred Fault; T ertiary age or older (inactive), solid where well located, dashed where approximate, dotted where concealed, queried where questionably inferred)Fault; slip rate <1 mm/yr, solid where well located, dashed where approximate, dotted where concealed, queried where questionably inferred)t, shown as solid where well located, dashed where
approximate, queried where questionably inferred Lineament; solid where well expressed, dashed where moderately expressed Picks of faults and fold axes interpreted from shallow seismic survey lines 0.0 to 0.9 1.0 to 1.9
2.0 to 2.9
3.0 to 3.5 8.0 to 9.910.0 to 11.9 12.0 to 13.9 14.0 +0.0 to 1.9 2.0 to 3.9 4.0 to 5.9 6.0 to 7.9EXPLANATION Seismicity 1987 to 2008 (Hardebeck, 2010)
Graben A Graben B 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 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 P o i n t B u c h o n f a u l t Graben