geologic hazard categories - san diegoo l a 0 n a c i o 0 f a u l t
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Mexico
La N
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Fault
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C A M D E L A P L A Z A
OTAY MESA RD
D A I R
Y M A
R T R
D
B I B L E R D R
VIA DE
SAN Y
SIDRO
CAM
DE LA
PLAZ
A
BEYER BL
EAST BEYER BL
TOCAYO AV
TIJUANA RIVER
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117°6 '0"W 117°5 '0"W 117°4 '0"W 117°3 '0"W 117°2 '0"W
53 LEGEND
========================== 200
2721
12
53 Geologic Hazard Categories FAULT ZONES
SM YT
HE A V
52 11 Active, Alquist-Priolo Earthquake Fault Zone 12 Potentially Active,
Presumed Inac21 Inactive, ive, or Activity Unknown27 t
13 Downtown special fault zone LANDSLIDES
21 Confirmed, known, or highly suspected22 53 22 Possible or conjectured
DE-PRONE FORMATIONS5332 SLI
23 Friars: neutral or favorable geologic structure 24 Friars: unfavorable geologic structure 25 Ardath: neutral or favorable geologic structure 26 Ardath: unfavorable geologic structure 27 Otay, Sweetwater, and others
QUEFACTION
500
12 LI31 High Potential -- shallow groundwater
major drai hydraulic fills -- fluc t21 nages,
tial32 Low Potinor dra
ing groundwat tereni
uanages
COASTAL BLUFFS 41 Generally unstable
Numerous landslides,
m
3132°33 '0"N
high steep bluffs,unfavorable geologic struc
i tsevere eros on,
42 Generally unstableUnfavorable bedding plains, high erosion
43 Generally unstableUnfavorable jointing, local high erosion
44 Moderately stableMostly stable formations, local high erosion
45 Moderately stableSome minor landslides, minor erosion
46 Moderately stableunfavorable
ure
22 Some geologic structure, minor or no erosion 47 Generally stable
Favorable geologiclandslides
structure, minor or no erosi on,no12 32 48 Generally stable
beach areas,100 200 Broad developed harbor21 32 12 1221 OTHER TERRAIN 51 Level mesas -- underlai
risk n by terrace deposits and bedrock
53 nomimal
53 52 Other level areas, gently sloping to steep terrain,favorable geologic structure, Low risk
53 Level loping terrain, unfavorable geologicto modera
1212 tructor s s ure,21 Low riskte
54 Steeply sloping terrain, unfavorable or fault controlledgeologic structure, Moderate risk
55 Modified t in (graded srisk
100
1232 ites)erraNominal
Water (Bays and Lakes)
FAULTS
200
12 22
53 22
Fault
Inferred Fault
Concealed Fault
Shear Zone32°32 '0"N
Index Map
53 54 49 50 51 52 46 47 48
42 43 44 45 38 39 40 41 34 35 36 37
29 30 31 32 33 24 25 26 27 28
20 21 22 23 16 17 18 19 12 13 14 15
9 10 11City of San Diego Development Services Department GR ID T ILE : 2 5 6 7 8SanG IS Basemap Accuracy Every reasonable effort has been made to assure the accuracy of this map. However, neither the SanGIS
SanG IS Land (Lo t) basemap da ta for the C ity o f San D iego tes ted 20.7 ’ participants nor San Diego Data Processing Corporationhor izon tal accuracy a t the 95% con fidence leve l. assume any liability arising from its use. 0 400 800 1,600 2,400 1 2 3 4
THIS MAP IS PROVIDED WITHOUT WARRANTY OF ANY KIND, Fee tSEISMIC SAFETY STUDY GR ID SCALE : 800Th is da ta mee ts the ASPRS S tandard for C lass 1 Map Accuracy a t a sca le o f EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED1:12,000 (1”=1,000 ’). TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY ANDFITNESS FOR A PARTICULAR PURPOSE. 0 120 240 480 720 960
Th is assessmen t assumes u tiliza tion o f the da ta on a c ityw ide bas is. Loca lized Geologic Hazards and Faults ¨ DATE : 4 /3/2008da ta may exceed or fail to mee t this accuracy w ith errors in excess o f 100 ’ poss ible. PROPRIETARY INFORMATION: The use of this information is Me terspursuant to sublicense agreement only. Any resale orrelicensing of this information is prohibited, exceptin accordance with such sublicensing agreements.