From: John or Jan Lahr (JohnJan@lahr.org)
Date: Thu Jan 06 2005 - 11:10:20 PST
Message-Id: <6.2.0.14.2.20050106120931.02775650@mail.comcast.net> Date: Thu, 06 Jan 2005 12:10:20 -0700 From: John or Jan Lahr <JohnJan@lahr.org> Subject: Surface waves from Sumatra M 9.0, 2nd Version
If you haven't taken a look at the IRIS "Image of the Week" yet,
check out this page (with the now correct URL!):
http://www.iris.edu/about/ENO/iow.htm
The image shows seismic records from stations distributed around
the globe and surface waves that traveled twice around!
Questions to think about -- Why does the y-axis stop at 180 degrees?
Why would the amplitude of the surface waves fall off around 90 degrees
and then increase at 180 degrees again?
Cheers,
John
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