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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 ...
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]
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
Strong shaking was felt in Reno and Carson City, Nevada, on Monday afternoon after a large earthquake jolted the region. The USGS reports a magnitude 5.8 earthquake around 3:08 p.m., which ...
Segall noted the 5.8-magnitude Mineral Springs earthquake that struck Virginia in 2011 “was probably felt by more people than any other in the history of the United States.”
1700 Cascadia earthquake: November 18, 1755: Massachusetts: 5.9 M w 0: 1755 Cape Ann earthquake: July 21, 1788: Alaska: 8.0 M s: Unknown [1] August 6, 1788: Alaska 8.0 M s Unknown [1] December 16, 1811: Missouri: 7.5–8.0 M w 100 −500: 1811–1812 New Madrid earthquakes: December 8, 1812: California: 6.9 M la, 7.5 M w 40+ 1812 San Juan ...
The 2016 Oklahoma earthquake occurred on September 3, 2016, near Pawnee, Oklahoma.Measuring 5.8 on the moment magnitude scale, it is the strongest in state history. [1] [2] At 5.8 magnitude, this ties it with the 2011 Virginia earthquake, which was determined after it struck to be the most powerful quake in the eastern United States in the preceding 70 years.
The 1989 earthquake that disrupted baseball's World Series and rocked San Francisco was measured at a 6.9 magnitude, which would have made it more than 1,000 times more powerful than Friday's quake.