Virginia Seismic Zone

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Coordinates: 37°43′41″N 78°05′13″W / 37.728°N 78.087°W / 37.728; -78.087
Source: Wikipedia, the free encyclopedia.

The Virginia Seismic Zone in the

magnitude
.

1897 event

The May 31, 1897 event was the strongest in Virginia's history. With a maximum

seismic scale that is based on an isoseismal map or the event's felt area) and had severe effects in Narrows, where ground motion was observed and the flow of streams was disrupted.[1]

2003 earthquakes

On December 9, 2003 at 3:59 pm EST (20:59 UTC), a magnitude 4.5 event occurred near

Washington DC, and suburban Maryland, eastern West Virginia, southern Pennsylvania, and portions of the Delmarva Peninsula. This event was located at 37.728° N, 78.087° W, at a depth of less than 5 km (3.1 mi) and may have occurred due to rupture along the Lakeside fault.[2]

2011 earthquake

Main article: 2011 Virginia earthquake

The U.S. Geological Survey (USGS) reported that a magnitude 5.8 Mw earthquake hit Virginia on Tuesday, August 23, 2011, at 17:51:04 UTC (1:51 pm Eastern Daylight Time). The quake occurred at an approximate depth of 3.7 miles and was centered in Louisa County (location at 37.936°N, 77.933°W), 5 miles SSW of Mineral, Virginia and 37 miles NW of Richmond, Virginia's capital.[3] Shaking was felt from Atlanta, Georgia to Illinois to Detroit, Michigan to Barrie, Ontario to New Brunswick.[4][5] Many Washington, DC buildings saw precautionary evacuations.[6][7] The earthquake caused an estimated $70 million in damage in Louisa County and forced Louisa County High School and Thomas Jefferson Elementary School to close for the year as well as rendered about a dozen homes unlivable.

Prince George's County, Maryland. Three decorative pinnacles at Washington National Cathedral fell.[10] The Washington Monument was closed due to cracks in the top section.[11][12]

See also

References

  1. OCLC 26363877
    – via Google Books
  2. ^ "Virginia earthquake not a fluke in the seismically active Southeast". ScienceBlog. December 2003. Retrieved February 21, 2011.
  3. ^ "Magnitude 5.8 – VIRGINIA". USGS Earthquake Hazards Program. U.S. Department of the Interior. March 20, 2012. Archived from the original on March 29, 2012. Retrieved April 6, 2012.
  4. ^ "USGS Community Internet Intensity Map: Virginia" (PDF). USGS Earthquake Hazards Program. U.S. Department of the Interior. Archived from the original (PDF) on December 27, 2011.
  5. ^ "M5.8 – Virginia". USGS Earthquake Hazards Program. U.S. Department of the Interior. November 30, 2011. Archived from the original on April 28, 2012. Retrieved April 6, 2012.
  6. ^ "Quake rocks Washington area, felt on East Coast". Associated Press (AP). August 23, 2011. Archived from the original on October 9, 2018. Retrieved August 23, 2011.
  7. ^ "Strong earthquake hits Canada, U.S. East Coast". Vancouver Sun. August 23, 2011.[dead link]
  8. ^ "Louisa damage estimate $70 million". Richmond Times Dispatch. August 30, 2011. Archived from the original on February 4, 2013.
  9. ^ Kreuz, Greta (August 30, 2011). "Earthquake damage to Louisa County schools close to $60M". ABC 7 News. Sinclair Broadcast Group.
  10. ^ "Earthquake at 6 Months". Washington National Cathedral. Archived from the original on April 1, 2012. Retrieved April 6, 2012.
  11. ^ Achenbach, Joel (August 23, 2011). "5.8 Virginia earthquake shakes East Coast, rattles residents". The Washington Post. p. 2. Retrieved January 10, 2012.
  12. ^ "Washington Monument Earthquake Update". National Park Service.

37°43′41″N 78°05′13″W / 37.728°N 78.087°W / 37.728; -78.087

External links

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