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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 ...
Earthquakes in the New Madrid and Wabash Valley seismic zones from 1974 to 2002, with magnitudes larger than 2.5. The zone had four of the largest earthquakes in recorded North American history, with moment magnitudes estimated to be as large as 7 or greater, all occurring within a 3-month period between December 1811 and February 1812. Many of ...
Thrust fault: Active: 2008 Sichuan (M8.0) Lost River Fault: Idaho, United States: Normal: Active: 1983 Borah Peak (M6.9) Lusatian Fault: Germany: Thrust fault: Macquarie Fault Zone >400: South Pacific Ocean: Fault (geology)#Strike-slip faults: Active: 1989 Maquarie Isl. (8.2), 2008 Macquarie Island earthquake (M7.1) Mae Chan Fault: 120 ...
A small earthquake occurred in Brown County, Ohio, along the border with Kentucky, early Thursday. A 2.4 magnitude quake happened about 4 miles from Georgetown at a depth of 5 miles just after ...
Southern Ohio was in for a slight − and temporary − shake on Monday afternoon, when a 3.3 magnitude earthquake hit the area. The U.S. Geological Survey reported that the seismic event occurred ...
A small earthquake could be felt early Saturday morning near Alliance. Did you feel it?
New Madrid fault and earthquake-prone region considered at high risk today. The 1811–1812 New Madrid earthquakes were a series of intense intraplate earthquakes beginning with an initial earthquake of moment magnitude 7.2–8.2 on December 16, 1811, followed by a moment magnitude 7.4 aftershock on the same day. Two additional earthquakes of ...
It was also possible that the rupture involved more than one fault. Inferred aftershock locations suggest compatibility with the latter model, and agrees with the intensity distribution which suggest a northeast-propagating rupture. All three models indicate the earthquake was a buried rupture event along a 5–20 km (3.1–12.4 mi) fault. [2]