PSN-L Email List Message

Subject: Not very big, but it's there
From: Brett Nordgren brett3nt@.............
Date: Wed, 19 Aug 2009 15:29:47 -0400

I think this is about the smallest we have recorded to date (except for the 
1.9 @ 10Km from the vault)


On the "Instrument #1 high gain channel" image, at about 18:35 UCT  Aug 19, 
2009  is the LR surface wave from a Mag. 4.6 at 132 degrees (Indonesia).

It's not that big a trace, but the long period seismic background is fairly 
low so it is easy to see.  It must have been aimed straight at us.


Watch our wiggles

or watch some very very good wiggles


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