[Geysers] Giantess Start Time, 10/14

Michael Goldberg goldbeml at ucmail.uc.edu
Wed Oct 14 21:01:51 PDT 2009


I am going to push again to call the October 14 Giantess start time at 
04:48 MDT.  The seismic signal at that time looks much more like the one 
that accompanied the July 6 eruption at 07:13.  Both seismograms are 
attached for comparison.

According to the USGS earthquake catalog, the event at 07:02 MDT was a 
magnitude 2.0 earthquake in the vicinity of the Heart Lake trail.  The 
evening events also look like earthquakes, possibly part of a swarm in the 
same location (they aren't on the map yet).

The apparent activity in middle of the day is most likely caused by 
weather rather than earthquakes or geysers.

Michael Goldberg
Michael.Goldberg at uc.edu
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