[Chaos-l] Observing tonight?

Michael Lemon mdlemon at lemons-bend.com
Tue Aug 23 15:38:53 EDT 2011


I'm up in Henderson at work and I thought the A/C was going to drop through the roof.

MDL

On Aug 23, 2011, at 3:26 PM, Tony Rice wrote:

> State Geologist in NC is reporting that the quake was centered at a
> thrust fault at the juncture between the  Blue Ridge and Piedmont
> mountain ranges.
> 
> We definitely felt it in RTP, I'm on the 3rd floor and saw side to
> side swaying that I remember well from growing up north of Los
> Angeles.
> 
> Details on this quake from the USGS:
> http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc0005ild.html
> 
> Here's some background:
> We are in the middle of the North American plate which is normally
> pretty stable but today's quake was centered just north of the Central
> Virginia Seismic Zone .
> http://www.virginiaplaces.org/geology/quake.html
> http://geohazards.usgs.gov/cfusion/qfault/qf_web_ims.cfm?qfault_id=2653
> 
> History of earthquakes in mid-atlantic (from my Alma Mater):
> http://www.geol.vt.edu/outreach/vtso/quake.html
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