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M>2.8 Coastal Shove Off Monterey Coast
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Posted by Don in Hollister on May 01, 2005 at 14:43:32:
Hi All. Looks like the coastal shove has moved a little further out in the Pacific Ocean. The M>2.8 (if it holds up) is located on the Paleo Subduction Zone. It is further south and a little more to the west then the two M>6.0 quakes in 1926. “Two large earthquakes in October 1926 (estimated Richter magnitude 6.1) and their three aftershocks cracked plaster in Santa Cruz and also brought down a number of chimneys. Numerous plate glass windows were broken along Pacific Avenue. To the north, the city water main was broken at Laguna Creek, and at Davenport groceries were thrown from the shelves of the store (Santa Cruz Sentinel, 23 October 1926) [20,19]. An earthquake in February 1927, believed to be related to those in the fall of 1926, also cracked plaster, and articles fell from shelves in Santa Cruz. The epicenters, located from maximum recorded intensities for all these earthquakes, probably were in or just outside of southern Monterey Bay.” Note: No aftershocks were recorded in the ANSS catalog for the two M>6.0 quakes. Take Care…Don in creepy town catalog=ANSS start_time=1898/01/01,00:00:00 end_time=2005/05/01,21:18:43 minimum_magnitude=0.1 maximum_magnitude=10 event_type=E delta=0 km to 40 km from (36.005,-122.426) Date Time Lat Lon Depth Mag Magt Nst Gap Clo RMS SRC Event ID ---------------------------------------------------------------------------------------------- 1932/06/27 05:17:25.00 36.0000 -122.0000 4.00 un BK 1942/09/15 16:36:33.00 36.1300 -122.1800 3.00 ML BK 1950/08/01 21:08:43.00 36.2000 -122.2300 2.00 ML BK 1957/01/29 21:19:53.00 35.8700 -122.1200 4.90 ML BK 1982/10/27 13:34:54.20 36.1742 -122.0772 19.37 0.99 Md 9 309 28 0.15 NC -1081019 1985/08/16 04:46:31.61 36.1478 -122.0953 21.88 1.52 Md 7 332 96 0.08 NC 53108 1987/03/27 01:17:52.03 36.1915 -122.1168 5.00 1.26 Md 6 298 65 0.65 NC -1148090 1989/11/15 15:29:58.76 35.9428 -122.3913 4.52 2.14 Md 8 311 64 0.23 NC 147415 1991/09/22 13:44:47.34 36.0812 -122.3312 6.50 1.54 Md 12 289 53 0.07 NC 238047 1992/04/01 14:32:58.49 36.0292 -122.0238 11.43 1.79 Md 15 287 32 0.06 NC 261388 2004/05/05 21:12:26.00 36.3008 -122.2265 17.90 2.10 Md 15 289 43 0.13 NC 21362577 2005/05/01 17:18:50.11 36.0050 -122.4263 5.08 2.85 Md 6 284 116 0.23 NC 40174353 catalog=ANSS start_time=1898/01/01,00:00:00 end_time=2005/05/01,21:25:52 minimum_magnitude=0.1 maximum_magnitude=10 event_type=E delta=0 km to 80 km from (36.005,-122.426) Date Time Lat Lon Depth Mag Magt Nst Gap Clo RMS SRC Event ID ---------------------------------------------------------------------------------------------- 1926/10/22 12:35:07.00 36.6100 -122.3500 6.10 un 4 BK 1926/10/22 13:35:22.00 36.5700 -122.1800 6.10 un 4 BK
Follow Ups:
● Re: M>2.8 Coastal Shove Off Monterey Coast. It Went Bye-Bye - Don in Hollister 21:03:59 - 5/1/2005 (25836) (1)
● No worries - Todd 23:07:42 - 5/1/2005 (25837) (0)
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