PSN-L Email List Message
Subject: How much movement
From: Steinar Midtskogen steinar@.............
Date: Tue, 30 Dec 2008 21:34:41 +0100
I wonder, how big are the movements produced by distant quakes? Since
only the waves with very long periods are detectable, the shaking is
of course impossible to feel since even movements of several centimeters
would be difficult to feel if the period is around 20 seconds.
So, if my seismometer picks up a 6.0 quake 15.000 km away, what kind
of movement are we talking about?
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