A Page in History

Historical Earthquake Maps & Lists


The Ten Largest 20th Century World Earthquakes




The Ten Largest Continental US Earthquakes




Photographic images of damage resulting from these events can be found on the
EQE International Earthquakes In California Page.

CALIFORNIA'S BIG ONES



(1) 1906 - San Francisco - 8.3 Richter Scale

(2) 1983 - Coalinga - 6.7 Richter Scale

(3) 1971 - San Fernando - 6.6 Richter Scale

(4) 1984 - Morgan Hill - 6.2 Richter Scale

(5) 1994 - Northridge - 6.7 Richter Scale

(6) 1989 - Loma Prieta - 7.1 Richter Scale




Earthquakes Greater than 4.5 Magnitude
in Southern California
NAMED SOUTHERN CALIFORNIA EARTHQUAKES
The following table associates the names of significant Southern California earthquakes with their origin
time (given in GMT), latitude, longitude, depth, magnitude and CUSPID number (a unique number
assigned at the time the earthquake was recorded by the Southern California Seismic Network).
YEAR MN DY HRMINSEC   LATITUTE  LONGITUDE DEPTH  MAG EVENTID       NAME

____ __ __ ________   ________  ________  _____  ___ _______ __________________ 


1971 02 09 140041.83  34 24.67 -118 24.04   8.40 6.4         SAN FERNANDO     


1979 01 01 231438.94  33 56.66 -118 40.88  11.28 5.0         MALIBU '79


1986 07 08 092044.56  33 59.95 -116 36.51  10.35 5.6  700917 NORTH PALM SPRINGS


1986 07 13 134708.25  32 58.08 -117 52.32   6.00 5.4  127298 OCEANSIDE


1986 07 20 142946.06  37 34.01 -118 26.14   6.00 5.9  602580 CHALFANT VALLEY


1986 07 21 144226.66  37 32.27 -118 26.43   6.00 6.0  602779 CHALFANT VALLEY


1987 10 01 144220.02  34  3.68 -118  4.71   9.53 5.9  731691 WHITTIER NARROWS


1987 11 24 015414.51  33  4.95 -115 46.51   4.91 5.9  134894 SUPERSTITION HILLS


1987 11 24 131556.46  33  0.76 -115 50.30   2.40 6.1  628016 SUPERSTITION HILLS


1988 06 10 230643.05  34 56.58 -118 44.56   6.81 5.4  640798 TEJON RANCH


1988 06 26 150458.48  34  8.17 -117 42.57   7.89 4.7  136984 UPLAND '88


1988 12 03 113826.44  34  8.93 -118  8.08  13.34 5.0  650799 PASADENA


1989 01 19 065328.84  33 55.12 -118 37.65  11.86 5.0 1018595 MALIBU '89


1989 04 07 200730.30  33 37.13 -117 54.12  12.85 4.7  657729 NEWPORT BEACH


1989 06 12 165718.49  34  1.65 -118 10.78  10.78 4.6 1032113 MONTEBELLO


1990 02 28 234336.70  34  8.29 -117 42.17   5.31 5.4 1053635 UPLAND '90


1991 06 28 144354.50  34 15.69 -117 59.97  10.53 5.4 2021449 SIERRA MADRE


1992 04 23 045023.22  33 57.66 -116 19.08  12.38 6.1 3019681 JOSHUA TREE


1992 06 28 115734.12  34 12.07 -116 26.13   1.11 7.3 3031111 LANDERS


1992 06 28 150530.70  34 12.15 -116 49.62   5.00 6.4 3031425 BIG BEAR


1993 05 28  44740.60  35  8.96 -119  6.22  21.43 5.2 3107503 WHEELER RIDGE 


1994 01 17 123055.39  34 12.78 -118 32.14  18.20 6.7 3144585 NORTHRIDGE

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