Shakemap – USGS Peak Acceleration Map

August 31, 2011 by  
Filed under Maps & Records

From USGS: The website below is the USGS estimates of ground motion using their Shakemap process. It looks like we have contour lines identified as 10%, in the upper right part of the figure toward D.C. which coincides with the Louisa County Emergency Agency north-east damage trends, including our observations. ...


Geosciences report from UNAVCO

August 31, 2011 by  
Filed under Geotechnical

From UNAVCO, a non-profit university-governed consortium, facilitating geoscience research and education using geodesy: Community Event Response to the 23 August 2011, Mw=5.8 Virginia Earthquake UNAVCO stands ready to support responses to this event. Current actions include: Recent satellite SAR (ENVISAT)...


NRC to North Anna Nuclear Power Station

August 31, 2011 by  
Filed under Emergency Management

The U.S. Nuclear Regulatory Commission has dispatched an Augmented Inspection Team to the North Anna nuclear power station to further review the effects of last week’s earthquake, the operators’ response and the plant staff’s activities to check equipment. Read the 2 page report HERE.


Preliminary GEER Lifelines Report from Russell A. Green, PhD, PE

From Russell A. Green at GEER: I surveyed damage in the epicentral region for the past two days (I arrived about 4 hrs after the earthquake). Power: […] power to the area was mostly restored by the time that I arrived there, so it was only for a few hours at most. Water: There was a water main...


Links

August 26, 2011 by  
Filed under General Information

From Virginia Department of Mines, Minerals and Energy:  http://www.dmme.virginia.gov/DMR3/va_5.8_earthquake.shtml Strong Motion Data: http://strongmotioncenter.org/cgi-bin/CESMD/iqr_dist_DM2.pl?iqrID=MineralVirginia_23Aug2011_usse082311a&SFlag=0&Flag=1 Strong Motion Stations: http://strongmotioncenter.org/cgi-bin/CESMD/iqrStationMap.pl?ID=MineralVirginia_23Aug2011_usse082311a UNAVCO: http://www.unavco.org/community_science/science_highlights/2011/M5.8-Virginia.html Interpretive...


Geophysical Study of the Earth’s Crust in Central Virginia (1988)

August 26, 2011 by  
Filed under General Information, Geotechnical

A GEOPHYSICAL STUDY OF THE EARTH’S CRUST IN CENTRAL VIRGINIA: IMPLICATIONS FOR APPALACHIAN CRUSTAL STRUCTURE JOURNAL OF GEOPHYSICAL RESEARCH JUNE 10, 1988 By Thomas L. Pratt, Cahit Coruh, and John K. Costain (Regional Geophysics Laboratory, Department of Geological Sciences, Virginia Tech, Blacksburg, Lynn...


Map of Damage in Fredericksburg, VA

August 26, 2011 by  
Filed under Maps & Records, Masonry, Non-structural, Structural

Map here, from this Patch article by Michael Theis. If you know of any similar maps, please let us know in the comments.


Utilities

August 25, 2011 by  
Filed under General Information

From: “Gas leak downtown causes evacuations”, Fredericksburg.com Two gas leaks that caused evacuations downtown yesterday were located and repaired early this morning by crews from Columbia Gas.  Ruptures in the 8″ cast iron underground natural gas line were discovered near William St...


PARTICIPATE IN ONLINE SLEUTHING USING THE INTERACTIVE MAP

August 25, 2011 by  
Filed under General Information

We need your help! To start the reconnaissance effort and to help folks who are going into the field, we need help uploading data from online media sources to our Interactive Map. The are two reason we’re piloting this approach on this particular event. First, the major news sources have primarily...


Building Damage

From: “5.9-Magnitude Earthquake Strikes East Coast”, New York Times, Katharine Q. Seelye In Mineral, Va., a town about of about 500 people located four miles from the quake’s center, residents reported extensive damage to items inside homes. China shattered and pictures fell off walls. From: “5.8...


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