[Exi-bay-announce] quake
Jones, Spike
spike.jones at lmco.com
Wed Sep 29 16:02:19 UTC 2004
Ja, we watched the quakes pile up real time on the
web. Someone has figured out a way to estimate the
epicenter and magnitude within a couple minutes of
the actual shake. I compared the accuracy of the
initial estimates with the final calcs. The initial
estimates were very close in every case. Kewall! {8-] spike
-----Original Message-----
From: exi-bay-announce-bounces at lists.extropy.org
[mailto:exi-bay-announce-bounces at lists.extropy.org]On Behalf Of David C.
Harris
Sent: Tuesday, September 28, 2004 6:50 PM
To: ExI regional: SF bay area, US (announcements)
Subject: Re: [Exi-bay-announce] quake
Parkfield was loaded with USGS instruments, and a quake was expected
awhile
back. One of my neighbors built some of the instruments. Hopefully
they'll get
some wonderful insights from the mass of collected data.
- David Harris
Jones, Spike wrote:
>
>
> It was Parkfield. They had a series of quakes, the
> largest being about 5.9. This is good, because that
> fault was building up for a long time. That series
> over several minutes released a lot of strain.
>
> spike
>
...
--
David Harris, Palo Alto, California.
GPS location: 37.41988, -122.13388 (1984 World Geodetic Survey
system).
Active account: dharris234 at mindspring.com
Phone: 1-650-856-9126 (has answering machine or me)
Lifetime e-mail forwarding: David.C.Harris at stanfordalumni.org
Postal ("snail mail") address: David Harris
Medintrans
455 Margarita Ave.
Palo Alto, CA 94306-2827
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