[Geysers] Earthquake at Old Faithful

[Chase Ellison]

Just a quick fill in on the earthquake that was felt in OF. it was a  
2.8 on the richter scale at 23:53 about 1/4 mile south of lonestar.   
According to what I have heard from park interp. staff in Mammoth the  
effects in Old Faithful had registered a 4 of 10 on the lesser known  
Modified Mercalli Intensity Scale which measures actual effects in   
particular location. a 4 = noticed by most people and  loose objects  
are rocked.
The following  after shocks registered a 2.3 richter scale at 23:53  
slightly west of the first quake followed by a 1.1 richter scale at  
23:56. then finally a 2.5 richter scale at 23:57. The three 2+ quakes  
were very very shallow earthquakes less then .05KM below the surface.
Chase Ellison
On Jan 23, 2007, at 12:16 AM, Matthew McLean wrote:

>
> At approximately 11:50 (2350) there was an earthquake that shook  
> the Snow Lodge!!  I was woking late cleaning in the gift shop and  
> the whole place shook - things falling over on shelves.  I wasn't  
> completely sure until my wife called from home to ask if we just  
> had a quake!!!!
>
> I felt two more small aftershocks - it is only 1215 (or 0015) so I  
> suppose there may be more!
>
> Take care,
>
> Matthew
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