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2004-12-27 -Signs, Portents, and the Weather-
USGS details on the 9.0 Sumatra quake
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Posted by Steve 2004-12-27 9:42:21 AM|| || Front Page|| [2 views since 2007-05-07]  Top

#1 LOS ANGELES, Dec. 27 (UPI) -- The magnitude 9.0 earthquake off Indonesia moved the island of Sumatra about 100 feet to the southwest, the Los Angeles Times reported Monday. The earthquake occurred off Sumatra's northwestern tip in an active geological region and ruptured an estimated 600-mile-long stretch of the Earth beneath the Indian Ocean. The quake was the largest since a magnitude 9.2 quake struck Prince William Sound, Alaska, in 1964. It triggered the first deadly tsunami in the Indian Ocean since 1883, civil engineer Costas Synolakis of the University of Southern California said. The enormous swells of water affected eight countries, and the death toll surpassed 23,000 by Monday morning.
Posted by Steve  2004-12-27 10:16:46 AM||   2004-12-27 10:16:46 AM|| Front Page Top

#2 This from Free republic:
Diego Garcia
My son


Posted on 12/27/2004 3:59:26 AM PST by margieelisabeth


They are all FINE on Diego Garcia, the quake wasn't even felt. My son is stationed there and we recieved an email from him last night. This is also a small bit of information that may help us all understand why a tsunami most likely (never say never) could hit there.

Diego Garcia is at the top of the Chagos Trench located just to our east (hence the island chain name of Chagos Archipelago). This trench is very deep and the steepness of the grade from the trench to the top of the island does not allow tsunamis to build up before they were to come on shore.

Posted by crazyhorse  2004-12-27 10:39:02 AM||   2004-12-27 10:39:02 AM|| Front Page Top

#3 Good!
Posted by 3dc 2004-12-27 10:48:02 AM||   2004-12-27 10:48:02 AM|| Front Page Top

#4 good news on DG - bad news for Iran
Posted by Frank G  2004-12-27 10:58:54 AM||   2004-12-27 10:58:54 AM|| Front Page Top

#5 Thanks, crazyhorse. That's a relief to know.

I figured it was a seamount, with steep sides that wouldn't allow a wave to build up as it did on the beaches of the devastated areas, but it's still good to find out for sure.
Posted by Barbara Skolaut  2004-12-27 10:59:10 AM||   2004-12-27 10:59:10 AM|| Front Page Top

#6 crazyhorse,

Good News. I was trying pretty hard to get Barbara some info yesterday, to no avail.
Posted by Poison Reverse 2004-12-27 11:54:31 AM||   2004-12-27 11:54:31 AM|| Front Page Top

#7 Barb,Reverse.I searched to,but a friend came through with the info.This will be much bigger in scope than the quake in Bam,Iran where 30,000 died,unfortunately.
Posted by crazyhorse  2004-12-27 1:11:59 PM||   2004-12-27 1:11:59 PM|| Front Page Top

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