5.9 Earthquake in Virginia

Note: USGS upgraded to 5.9 from the 5.8 preliminary estimate

Between Richmond and Charlottesville (h/t Corey S)

More:

Magnitude 5.9
Date-Time
  • Tuesday, August 23, 2011 at 17:51:03 UTC
  • Tuesday, August 23, 2011 at 01:51:03 PM at epicenter
Location 37.975°N, 77.969°W
Depth 1 km (~0.6 mile) (poorly constrained)
Region VIRGINIA
Distances
  • 6 km (4 miles) SSE (152°) from Louisa, VA
  • 6 km (4 miles) SW (236°) from Mineral, VA
  • 26 km (16 miles) SE (133°) from Gordonsville, VA
  • 32 km (20 miles) E (79°) from Lake Monticello, VA
  • 66 km (41 miles) NW (318°) from Richmond, VA
  • 134 km (83 miles) SW (219°) from Washington, DC
Location Uncertainty horizontal +/- 10.9 km (6.8 miles); depth +/- 7.4 km (4.6 miles)
Parameters NST=390, Nph=390, Dmin=57.9 km, Rmss=1.17 sec, Gp= 47°,

M-type=regional moment magnitude (Mw), Version=6

Source
  • Magnitude: USGS NEIC (WDCS-D)

    Location: USGS NEIC (WDCS-D)

Event ID usc0005ild

If you felt it, you can report is here to USGS: Did You Feel It? – Report an earthquake

There’s an earthen dam near the epicenter, 1.7 miles away, I wonder how it fared:

 

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Pull My Finger
August 23, 2011 11:02 am

Felt it in State College PA! First one for me, hopefully the last seeing as I’m in a 100 year old stone building. Not exactly earthquake proof!

KJD
August 23, 2011 11:05 am

There was a 5.3 in Southeast Colorado centered near Trinidad at 11:46 pm. Largest in a century.

August 23, 2011 11:05 am

All that debt in DC is weighing heavily on that fault line.
I blame Global Warming. 🙂

Algebra
August 23, 2011 11:06 am

Felt it on Long Island. Thought it was just me.

August 23, 2011 11:07 am

I felt it up here near the Straits of Mackinac on Northern Michigan. Computer monitor shook, floors/walls seemed to move. Standard stuff.

Editor
August 23, 2011 11:08 am

I felt it faintly at work in New Hampshire.
Man, WUWT is fast….
Eastern rocks are more intact than the broken crud along California fault lines, 5.8 could be interesting down there. Some 4.5 quakes in NH in the 1940s caused some damage.
http://earthquake.usgs.gov/earthquakes/dyfi/

C Scott
August 23, 2011 11:09 am

We felt it in Knoxville, TN

ldd
August 23, 2011 11:10 am

Saying on FOX – 6.0 earth quake on the east coast is this it, same one or different?
Bit confusing as I have one map saying Colorado had a 5.5 today though, or as well, so far, sure they’ll be more info soon. Minor damage reported, like windows breaking, seeing pictures of lots of people outside on the streets in some cities. Lets hope for no serious injuries or fatalities.

August 23, 2011 11:10 am

its random movements of the Earth’s crust
nothing to see here, move along now……..

Sole
August 23, 2011 11:10 am

OK we just felt it up here in Hamilton Ontario Canada at 1:58

prijo
August 23, 2011 11:11 am

Felt it in Ohio.

August 23, 2011 11:13 am

There was also a very unusual Richter 5.3 earthquake last night (Monday, 22 Aug) in Colorado: USGS web record. This USGS page shows a map of the US with the Virginia and Colorado earthquakes plotted on it. Here’s the NYT story about it.

Tony
August 23, 2011 11:14 am

Felt it in Lawrenceville, NJ. A traveling friend reported feeling it in Toronto.

Rob
August 23, 2011 11:14 am

Felt it in London Ontario Canada

Mac Fogar
August 23, 2011 11:15 am

Felt it here in Charleston, South Carolina.

Rob Potter
August 23, 2011 11:16 am

The Colorado earthquake was last night, according to the NYT. Also strong for the area at 5.3, but I don’t think it caused much damaage as a long way from anything.

Editor
August 23, 2011 11:16 am

Exit question: who will be the first to blame the earthquake on “natural gas fracking”? Or climate change?
My vote goes to Paul Krugman at the NY Times who already has the editorial ready to go. Expect a Tweet from Andrew Revkin: “scientists are raising the alarm about the effects of fracking on seismic activity…”

August 23, 2011 11:17 am

Felt it in Ossining, NY

J F
August 23, 2011 11:17 am

felt it at 27th floor in downtown toronto

August 23, 2011 11:17 am

Felt it here in Dayton Ohio

courtney
August 23, 2011 11:18 am

Felt it here in Virginia. People are calling the east coast pansies for freaking out about it, but here in VA we do NOT get earthquakes. I’ve never felt one before in my life until now. It wasn’t bad, but we were definitely wondering about the after effects. Idd, it hit as a 6.0 but surroundings area felt it at a 5.8.

becca
August 23, 2011 11:18 am

felt it here on long island at 1:54, pretty cool

liz
August 23, 2011 11:18 am

Felt it in Wilton CT too!

Neil Jones
August 23, 2011 11:19 am
rolanda elijah
August 23, 2011 11:19 am

Felt it in London, Ontario, Canada. This afternoon. August 23rd, 2011.

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