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Locations of quakes magnitude 2.5 or greater in the Wabash Valley (upper right) and New Madrid (lower left) Seismic Zones. The Wabash Valley seismic zone (also known as the Wabash Valley fault system or fault zone) is a tectonic region located in the Midwestern United States, centered on the valley of the lower Wabash River, along the state line between southeastern Illinois and southwestern ...
Two-percent probability of exceedance in 50 years map of peak ground acceleration from the United States Geological Survey, released July 17, 2014. Earthquake swarms which affected the United States: 1962–71 Denver earthquake swarm [38] Enola earthquake swarm; 2008 Reno earthquakes; Guy-Greenbrier earthquake swarm
The New Madrid seismic zone (NMSZ), sometimes called the New Madrid fault line (or fault zone or fault system), is a major seismic zone and a prolific source of intraplate earthquakes (earthquakes within a tectonic plate) in the Southern and Midwestern United States, stretching to the southwest from New Madrid, Missouri.
It came on the heels of two other earthquakes on June 7 in the same area near the city of Buford — a 2.5 magnitude quake and another of 2.1 magnitude, which shook the area a few hours earlier ...
The map and accompanying study offer precise information about the regions most at risk of earthquakes, and which types of quakes are likely to occur. ...
Sunday’s initial earthquake was confirmed at 4:48 a.m. in the area near Coronaca, the South Carolina Emergency Management Division said. It happened about 2.5 miles beneath the surface, the USGS ...
According to the USGS, "ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes. These maps are used by federal, state, and local organizations, both public and private, for post-earthquake response and recovery, public and scientific information, as well as for preparedness exercises and ...
Friday morning's earthquake, an event more commonly associated with California, was the first many Northeasterners had ever felt.. The temblor, which measured 4.8 on the Richter scale, was ...