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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 ...
However, the north-central part of the state, particularly Riley and Pottawatomie counties, is the most prone to earthquakes. The Humboldt Fault had the largest earthquake in Kansas history with the 1867 Manhattan, Kansas earthquake. It happened near the town of Wamego and was estimated at 5.5 on the Richter scale.
Seismic microzonation is defined as the process of subdividing a potential seismic or earthquake prone area into zones with respect to some geological and geophysical characteristics of the sites such as ground shaking, liquefaction susceptibility, landslide and rock fall hazard, earthquake-related flooding, so that seismic hazards at different locations within the area can correctly be ...
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 ...
An earthquake has hit a tremor-prone area of South Carolina once again. A 2.29 magnitude earthquake was recorded Friday morning in Kershaw County, according to the U.S. Geological Survey. it ...
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 ...
A magnitude 4 earthquake rattled Southern California before dawn Sunday morning — the strongest in a series of modest earthquakes to strike near the Ontario International Airport in the last month.
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 ...