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Lutzky Associates Development. LP - Geotechnical Investigation <br />MACTEC Project 4953-03-263 1 <br />September 18,2003 <br />Table 3 <br />List Of Historic Earthquakes Of Magnitude 4.0 Or <br />Greater Within 100 Km Of The Site <br />(CAL TECH DATA 1932-2002) <br />DATE TIME LATITUDE LONGITUDE Q DIST DEPTH MAGNITUDE <br />04-11-1941 01:20:24 33.95 N 117.58 W B 37 .0 4.0 <br />10-22-1941 06:57:18 33.82 N 118.22 W A 35 .0 4.8 <br />11-14-1941 08:41:36 33.78 N 118.25 W A 37 .0 4.8 <br />04-16-1942 07:28:33 33.37 N 118.15 W C 46 .0 4.0 <br />10-24-1943 00:29:21 33.93 N 117.37 W C 52 .0 4.0 <br />06-19-1944 00:03:33 33.87 N 118.22 W B 38 .0 4.5 <br />06-19-1944 03:06:07 33.87 N 118.22 W C 38 .0 4.4 <br />02-24-1946 06:07:52 34.40 N 117.80 W C 77 .0 4.1 <br />09-28-1946 07:19:09 33.95 N 116.85 W B 97 .0 4.8 <br />03-01-1948 08:12:13 34.17 N 117.53 W B 60 .0 4.7 <br />10-03-1948 02:46:28 34.18 N 117.58 W A 59 .0 4.0 <br />01-11-1950 21:41:35 33.94 N 118.20 W A 41 .4 4.1 <br />09-22-1951 08:22:39 34.12 N 117.34 W A 67 11.9 4.3 <br />10-16-1951 12:41:05 34.17 N 116.98 W B 96 .0 4.0 <br />02-13-1952 15:13:37 32.87 N 118.25 W C 100 .0 4.7 <br />02-17-1952 12:36:58 34.00 N 117.27 W A 64 16.0 4.5 <br />08-23-1952 10:09:07 34.52 N 118.20 W A 96 13.1 5.1 <br />10-26-1954 16:22:26 33.73 N 117.47 W B 37 .0 4.1 <br />05-15-1955 17:03:25 34.12 N 117.48 W A 58 7.6 4.0 <br />01-03-1956 00:25:48 33.72 N 117.50 W B 34 13.7 4.7 <br />06-27-1959 16:22:11 33.97 N 116.88 W A 95 13.8 4.0 <br />06-28-1960 20:00:48 34.12 N 117.47 W A 58 12.0 4.1 <br />10-04-1961 02:21:31 33.85 N 117.75 W B 19 4.3 4.1 <br />10-20-1961 19:49:50 33.65 N 117.99 W B 14 4.6 4.3 <br />10-20-1961 20:07:14 33.66 N 117.98 W B 12 6.1 4.0 <br />10-20-1961 21:42:40 33.67 N 117.98 W 'B 12 7.2 4.0 <br />10-20-1961 22:35:34 33.67 N 118.01 W B 15 5.6 4.1 <br />11-20-1961 08:53:34 33.68 N 117.99 W B 13 4.4 4.0 <br />04-27-1962 09:12:32 33.74 N 117.19 W B 62 5.7 4.1 <br />09-14-1963 03:51:16 33.54 N 118.34 W B 48 2.2 4.2 <br />09-23-1963 14:41:52 33.71 N 116.93 W B 87 16.5 5.1 <br />08-30-1964 22:57:37 34.27 N 118.44 W B 83 15.4 4.0 <br />01-01-1965 08:04:18 34.14 N 117.52 W B 58 5.9 4.4 <br />04-15-1965 20:08:33 34.13 N 117.43 W B 62 5.5 4.5 <br />01-08-1967 07:37:30 33.63 N 118.47 W B 57 11.4 4.0 <br />NOTE:Q IS A FACTOR RELATING THE QUALITY OF EPICENTRAL DETERMINATION <br />A = +- 1 km horizontal distance; +- 2 km depth <br />B = +- 2 km horizontal distance; +- 5 km depth <br />C = +- 5 km horizontal distance; no depth restriction <br />D = >+- 5 km horizontal distance <br />Event qualities are highly suspect prior to 1990.Many of these event <br />qualities are based on incomplete information according to Caltech.