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Cross-sectional illustration of normal and reverse dip-slip faults. The earthquake occurred in the Virginia seismic zone, located in the Piedmont region. [8] The Virginia Piedmont area was formed originally as part of a zone of repeated continental collisions that created the ancestral Appalachian Mountains, a process that started during the Ordovician period with the Taconic orogeny and ...
Note: The inclusion criteria for adding events are based on WikiProject Earthquakes' notability guideline that was developed for stand-alone articles. The principles described also apply to lists. In summary, only damaging, injurious, or deadly events should be recorded.
The U.S. Geological Survey (USGS) reported that a magnitude 5.8 M w 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]
WA state has the second-highest risk of large earthquakes in the U.S., according to the Washington Department of Natural Resources.
Earlier this month, Washington joined California and Oregon in using the U.S. Geological Survey's ShakeAlert system for earthquake early warning. The program, which has been in the works since ...
A fault off the Pacific coast could devastate Washington, Oregon and Northern California with a major earthquake and tsunami. Researchers mapped it comprehensively for the first time.
1979 Imperial Valley earthquake – magnitude 6.4 earthquake with an epicenter less than 1 km inside Mexico – significant damage and injuries on both sides of the border (60 in the US) 2010 Baja California earthquake (Mexico near S California) – magnitude 7.2 earthquake, 4 fatalities and 100 injuries, none in the United States
Earthquake damage to the Embassy of Ecuador in an alley at Euclid Street NW and University Place NW in Washington, D.C. The alley was closed off. An occupant of the building, who was in the alley at the time, didn't realize there was an earthquake and thought a construction crew was knocking down the building. Date: 23 August 2011, 03:11:04: Source