EPS 20 L12 - 2005 Kashmir earthquake Location map 8:50 am...

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1 What’s with the wiggles? What’s with the wiggles? Reading: Bolt Ch 4 p101-107 and Ch5 Interpreting seismograms What’s with the wiggles? Location map 2005 Kashmir earthquake epicenter GNI Berkeley 8:50 am Sat, Oct 8 th Magnitude 7.6 80,000 est. dead How long for seismic waves to travel to GNI? What’s with the wiggles? Ground motion at GNI 400 600 800 1000 1200 1400 time (seconds) P S Surface wave 2005 Kashmir earthquake horizontal components… What’s with the wiggles? Ground motion at GNI 400 600 800 1000 1200 1400 vertical east-west north-south P S Surface wave 2005 Kashmir earthquake S-P time How does the S-P time vary with distance? What’s with the wiggles? P S http://rev.seis.sc.edu Surface wave What’s with the wiggles? Locating earthquakes For an earthquake at the surface there are three unknowns: latitude, longitude, origin time ± need observations of seismic arrival times at three stations
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2 What’s with the wiggles?
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This note was uploaded on 10/12/2008 for the course EPS 20 taught by Professor Allen during the Fall '08 term at University of California, Berkeley.

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EPS 20 L12 - 2005 Kashmir earthquake Location map 8:50 am...

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