Special Reports
List of M 3.0+ earthquakes in San Ramon Valley, 1970-2003
Time is GMT. Events M4.0+ are red. Separator lines denote 2002 and 2003 swarms.

 YR   M   D  H   M   S       LAT         LON           DEP  MAG 
1970 02 28 02 04 59.25 37.7980 -121.9390 7.50 3.41 Md 20 83 10 0.06 NCSN -1004105
1970 06 11 23 32 55.43 37.7938 -121.9333 8.13 3.76 Md 21 79 10 0.04 NCSN -1004924
1970 06 11 23 39 49.11 37.7945 -121.9370 8.36 3.36 Md 19 81 10 0.07 NCSN -1004926
1970 06 11 23 48 34.87 37.7897 -121.9307 8.78 3.06 Md 20 78 10 0.05 NCSN -1004931
1970 06 12 03 30 03.55 37.7898 -121.9270 11.22 4.29 Md 19 200 29 0.05 NCSN -1004951
1970 06 12 03 30 50.12 37.7992 -121.9468 9.62 4.21 Md 5 166 10 0.01 NCSN -1004953
1970 06 12 03 33 47.95 37.7872 -121.9290 8.53 3.03 Md 17 76 11 0.05 NCSN -1004954
1970 06 12 03 57 48.99 37.7887 -121.9262 9.23 3.03 Md 21 75 10 0.06 NCSN -1004958
1970 06 12 06 34 00.88 37.7837 -121.9297 8.91 3.39 Md 24 75 11 0.05 NCSN -1004971
1970 06 12 16 03 32.32 37.7400 -121.9397 5.98 3.97 Md 12 300 34 0.07 NCSN -1004992
1970 06 12 16 10 50.81 37.7933 -121.9297 9.43 3.35 Md 25 77 10 0.08 NCSN -1004995
1970 06 12 22 54 38.71 37.7982 -121.9318 7.75 3.20 Md 20 61 2 0.09 NCSN -1005035
1970 06 14 09 11 09.18 37.7943 -121.9303 8.49 3.23 Md 25 53 4 0.06 NCSN -1005066
1970 07 05 05 27 53.38 37.7918 -121.9350 5.85 2.98 Md 17 75 3 0.07 NCSN -1005219
1970 07 05 05 28 46.45 37.7942 -121.9378 7.24 3.19 Md 26 71 3 0.08 NCSN -1005220
1970 11 07 13 45 07.98 37.7927 -121.9368 7.30 3.06 Md 23 70 1 0.14 NCSN -1005952
1973 06 24 09 44 48.48 37.7522 -121.9282 8.75 3.09 Md 24 47 4 0.06 NCSN -1016138
1976 08 15 10 06 37.76 37.7950 -121.9513 9.80 3.40 Md 13 92 0 0.07 NCSN -1030925
1976 08 15 12 31 55.22 37.7997 -121.9650 7.89 3.32 Md 28 42 2 0.09 NCSN -1030958
1977 08 14 14 25 34.09 37.7315 -121.9173 9.21 3.34 Md 60 43 4 0.09 NCSN -1036300
1977 08 14 15 02 56.64 37.7302 -121.9258 8.78 3.16 Md 30 40 4 0.09 NCSN -1036309
1994 03 14 21 54 18.41 37.7903 -121.9382 10.83 3.11 Md 82 68 10 0.09 NCSN 397636
1995 01 25 04 19 32.81 37.7693 -121.9332 8.27 2.97 Md 70 64 10 0.08 NCSN 30066785

2002 11 24 14 54 23.01 37.7605 -121.9498 11.17 3.90 ML    80 60 11 0.17 NCSN 40138528
2002 11 25 03 57 59.25 37.7580 -121.9460 10.58 3.75 ML 79 78 11 0.16 NCSN 40138577
2002 11 25 18 22 04.28 37.7625 -121.9400 10.98 3.52 ML 93 67 10 0.15 NCSN 21256969
2002 11 26 12 38 36.20 37.7622 -121.9462 10.62 3.64 ML 86 60 11 0.17 NCSN 21257111
2002 11 26 14 01 32.71 37.7612 -121.9470 10.88 3.09 ML 98 60 11 0.16 NCSN 21257124
2002 11 26 20 12 21.23 37.7557 -121.9505 10.04 3.29 ML 80 59 10 0.16 NCSN 30225132
2002 11 27 13 26 54.05 37.7588 -121.9448 9.83 3.04 ML 66 61 12 0.15 NCSN 40138737

2003 02 02 16 22 52.39 37.7458 -121.9433 16.58 3.64 ML    83 58 11 0.17 NCSN 51125511
2003 02 02 16 45 18.53 37.7350 -121.9405 15.18 3.01 ML 73 56 10 0.17 NCSN 51125516
2003 02 02 18 22 58.31 37.7400 -121.9370 16.47 4.17 ML 85 64 11 0.17 NCSN 51125525
2003 02 02 18 47 38.77 37.7482 -121.9420 16.65 4.03 ML 84 64 11 0.17 NCSN 51125530
2003 02 02 19 02 43.25 37.7538 -121.9452 16.61 3.49 ML 82 60 11 0.16 NCSN 51125534
Source: NCSN
Report update: 11:15:56 AM, Monday, February 3, 2003
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