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Page 1: Geologic Hazard Categories - San Diegoo L a 0 N a c i o 0 F a u l t

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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.

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