Tag Archives: Virginia earthquake August 30

Virginia earthquake August 30, 2011, Magnitude 2.1, 86 miles from Washington DC

Posted on August 30, 2011 | 39 comments

 Virginia earthquake August 30, 2011, Magnitude 2.1, 86 miles from Washington DC

From the USGS August 30, 2011.

Magnitude 2.1 – VIRGINIA

2011 August 30 13:26:50 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude 2.1
Date-Time
Location 37.920°N, 77.978°W
Depth 5.8 km (3.6 miles)
Region VIRGINIA
Distances
  • 11 km (7 miles) SSW (212°) from Mineral, VA
  • 12 km (7 miles) S (170°) from Louisa, VA
  • 25 km (15 miles) NE (41°) from Columbia, VA
  • 31 km (19 miles) E (90°) from Lake Monticello, VA
  • 62 km (39 miles) NW (313°) from Richmond, VA
  • 139 km (86 miles) SW (218°) from Washington, DC
Location Uncertainty horizontal +/- 0.7 km (0.4 miles); depth +/- 0.5 km (0.3 miles)
Parameters NST= 11, Nph= 20, Dmin=2 km, Rmss=0.08 sec, Gp= 83°,
M-type=duration magnitude (Md), Version=A
Source
Event ID se083011a 

http://earthquake.usgs.gov/earthquakes/recenteqsus/Quakes/se083011a.php

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