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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]
Virginia has a low risk of earthquakes, [17] especially in the northern part of the state. The Virginia seismic zone has not had a history of regular earthquake activity. Earthquakes are rarely above 4.5 in magnitude because Virginia is located centrally on the North American Plate, far from plate boundaries. Locations near tectonic plates ...
Moderately damaging earthquakes strike between New York and Wilmington, Delaware, about twice a century, the USGS said, and smaller earthquakes are felt in the region roughly every two to three years.
The area within 100 km radius of New York City has an intermediate level of seismic activity, more than what is observed in central New York State. [11] It is not as seismically active as California which is located at a transform plate boundary, but large and damaging earthquakes do occur. Furthermore, when these rare eastern U.S. earthquakes ...
A damaging earthquake affecting New York City in 1884 was incorrectly argued to be caused by the Ramapo fault, likely because it is the most prominent mapped fault in the greater New York City area. At the present, the relationship between faults and earthquakes in the New York City area is understood to be more complex than any simple ...
The seismic network was installed in Southern California 100 years ago because scientists thought that small earthquakes would show patterns before the big earthquakes happened. And that just didn ...
Earthquakes aren’t usually on the list of things to worry about. But they can — and have — happened in the Sunshine State. In 2019, for instance, Florida recorded at least nine small ...
The earthquake, along with a magnitude-5.8 quake on the border of New York and Ontario in 1944, is the largest to have occurred in the U.S. east of the Rocky Mountains since an 1897 quake centered in Giles County in western Virginia [22] [23] whose magnitude has been estimated as 5.8 [24] or 5.9.