KLAMATH FALLS, OREGON EARTHQUAKE SERIES As of 9/21/93, 21:30 UTC 59 events located/detected U.S. Geological Survey National Earthquake Information Center Golden, Colorado ________________________________________________________________________________ Date Time (UTC) Latitude Longitude Depth Magnitude, Comments Sta ________________________________________________________________________________ Sep 21 1993 03:16:54.3 42.35 N 122.08 W 5 km mb 4.4 56 Sep 21 1993 03:28:54.7 42.35 N 122.04 W 5 km mb 5.7, Ms 5.5. 116 ML 5.8, Mw 5.9 (BRK). MD 5.9 (SEA). Mo=7.84*10**17 Nm (BRK). One person was killed by an earthquake-induced rockslide on Highway 97 in southern Klamath County. One other person died of a heart attack. Several buildings were damaged and three highways were closed by landslides in the Klamath Falls area. Felt in southern Oregon and parts of northern California. Sep 21 1993 03:47:11.1 42.3 N 122.1 W 5 km ML 3.5 7 Sep 21 1993 03:52:48.2 42.2 N 122.1 W 5 km ML 3.0 15 Sep 21 1993 03:58:07.8 42.2 N 122.1 W 5 km ML 3.2 8 Sep 21 1993 04:02:40.9& 42.4 N 122.0 W 5 km multiple event 4 larger ML 3.7 Sep 21 1993 04:04:12.8& 42.4 N 122.0 W 5 km ML 3.7 4 Sep 21 1993 04:06:55.0 42.2 N 122.1 W 5 km ML 2.9 12 Sep 21 1993 04:07:38.3& 42.4 N 122.0 W 5 km ML 3.6 4 Sep 21 1993 04:16:12.0 42.30 N 122.08 W 5 km mb 4.6 61 Sep 21 1993 04:28:05.4 42.2 N 122.1 W 5 km ML 3.2 13 Sep 21 1993 04:31:21.3& 42.4 N 122.0 W 5 km 9 Sep 21 1993 04:34:07.2 42.24 N 122.09 W 5 km mb 4.4 46 Sep 21 1993 04:38:02.0 42.2 N 122.2 W 5 km ML 3.5 10 Sep 21 1993 04:55:30.2 42.2 N 122.1 W 5 km ML 3.2 15 Sep 21 1993 05:11:31.0 42.25 N 122.07 W 5 km ML 4.0 28 Sep 21 1993 05:40:08.0& 42.3 N 122.0 W 5 km 4 Sep 21 1993 05:45:33.8 42.41 N 122.01 W 5 km mb 5.5, Ms 5.5. 133 ML 5.9, Mw 5.9 (BRK). MD 6.0 (SEA). Mo=8.11*10**17 Nm (BRK). Additional damage in the Klamath Falls area. Sep 21 1993 06:13:53.4 42.1 N 122.1 W 5 km ML 3.2 6 Sep 21 1993 06:14:42.7 42.44 N 121.99 W 5 km mb 5.0, ML 5.2 (BRK) 79 Sep 21 1993 06:23:58.0 42.3 N 122.1 W 5 km ML 2.4 8 Sep 21 1993 06:25:33.6 42.33 N 122.09 W 5 km ML 3.5 26 Sep 21 1993 06:35:07.1 42.3 N 122.1 W 5 km 5 Sep 21 1993 06:54:11.5 42.5 N 122.0 W 5 km ML 3.5 12 Sep 21 1993 07:06:36.9 42.24 N 122.10 W 5 km ML 3.4 25 Sep 21 1993 07:08:48.2 42.3 N 122.1 W 5 km 9 Sep 21 1993 07:16:42.9 42.3 N 122.0 W 5 km ML 2.9 13 Sep 21 1993 07:17:32.6& 42.3 N 122.0 W 5 km ML 2.9 4 Sep 21 1993 07:28:16.6 42.37 N 122.04 W 5 km ML 3.8 39 Sep 21 1993 07:39:52.7& 42.4 N 122.0 W 5 km 2 Sep 21 1993 07:41:19.4& 42.3 N 122.0 W 5 km ML 3.0 5 Sep 21 1993 07:46:30.1& 42.3 N 122.0 W 5 km 5 Sep 21 1993 07:50:31.0 42.2 N 122.1 W 5 km ML 2.9 11 Sep 21 1993 07:55:57.7 42.3 N 122.1 W 5 km ML 3.0 12 Sep 21 1993 08:18:27.1 42.3 N 122.0 W 5 km 5 Sep 21 1993 08:25:07.2 42.2 N 122.1 W 5 km ML 2.8 13 Sep 21 1993 08:31:57.2 42.3 N 122.1 W 5 km ML 3.0 15 Sep 21 1993 08:45:21.3 42.5 N 122.1 W 5 km ML 3.0 9 Sep 21 1993 09:07:01.5 42.3 N 122.1 W 5 km ML 3.1 12 Sep 21 1993 09:10:07.5 42.4 N 122.0 W 5 km ML 3.1 8 Sep 21 1993 09:21:19.6 42.2 N 122.1 W 5 km ML 3.0 12 Sep 21 1993 09:41:04.9 42.1 N 122.1 W 5 km ML 3.0 11 Sep 21 1993 10:03:27.8 42.3 N 122.1 W 5 km ML 2.9 11 Sep 21 1993 10:50:33.4 42.2 N 122.2 W 5 km 9 Sep 21 1993 10:53:25.0 42.3 N 122.2 W 5 km ML 2.9 10 Sep 21 1993 11:01:59.9 42.3 N 122.1 W 5 km ML 3.1 12 Sep 21 1993 11:53:16.2 42.3 N 122.0 W 5 km ML 2.9 11 Sep 21 1993 12:19:57.4& 42.4 N 122.0 W 5 km 8 Sep 21 1993 12:41:00.5 42.3 N 122.1 W 5 km ML 2.7 13 Sep 21 1993 13:09:43.5 42.3 N 122.2 W 5 km 6 Sep 21 1993 13:18:37.1 42.3 N 122.2 W 5 km 7 Sep 21 1993 14:03:16.7 42.3 N 122.1 W 5 km ML 3.0 11 Sep 21 1993 14:51:15.8 42.1 N 122.2 W 5 km ML 2.8 11 Sep 21 1993 15:11:02.8 42.3 N 121.9 W 5 km ML 3.3 14 Sep 21 1993 17:34:01.2 42.2 N 122.1 W 5 km ML 3.2 16 Sep 21 1993 17:48:46.3& 42.3 N 122.0 W 5 km ML 2.8 9 Sep 21 1993 19:38:14.3 42.3 N 122.2 W 5 km ML 2.8 6 Sep 21 1993 19:43:34.5 42.5 N 122.1 W 5 km 6 Sep 21 1993 20:45:40.1 42.2 N 122.1 W 5 km ML 2.7 10 M - Final Monthly and NEIC data P - Final PDE Weekly data Q - Final QED data & - Insufficient data - solution held