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The 1968 Illinois earthquake (a New Madrid event) [4] was the largest recorded earthquake in the U.S. Midwestern state of Illinois. Striking at 11:02 a.m. on November 9, it measured 5.3 on the Richter scale. [5] Although no fatalities occurred, the event caused considerable structural damage to buildings, including the toppling of chimneys and ...
February 7, 1812, 9:45 UTC (3:45 am local time): M 7.4–8.6, epicenter near New Madrid, Missouri. The town of New Madrid was destroyed. In St. Louis, Missouri, many houses were severely damaged and their chimneys were toppled. This shock was definitively attributed to the Reelfoot Fault by Johnston and Schweig.
The New Madrid Seismic Zone (NMSZ), sometimes called the New Madrid Fault Line, 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 . The New Madrid fault system was responsible for the ...
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 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 Indiana.
Damage at St. Louis: May 26, 1909: 3 km (1.9 mi) WNW of Lockport, Will County: 5.1 M fa: VII Damage at Aurora, Kane County: October 31, 1895: Charleston, Mississippi County, Missouri: 5.8 M fa: VIII Damage at Cairo
More than 500 federal and local first responders will be in the St. Louis region Monday through Wednesday to practice their responses to a magnitude 8.4 earthquake across the New Madrid Fault ...
The 2008 Illinois earthquake was one of the largest earthquakes ever recorded in the Midwest state of Illinois. This moderate strike-slip shock measured 5.2 on the moment magnitude scale and had a maximum Mercalli intensity of VII (Very strong). It occurred at 04:36:59 local time on April 18 near Bellmont and Mount Carmel, Illinois, within the ...
The St. Louis Geologic fault is exposed along the bluffs and was the source of several historic minor earthquakes; it is part of the St. Louis Anticline which has some petroleum and natural gas deposits outside of the city. St. Louis is also just north of the New Madrid Seismic Zone which in 1811–12 produced a series of earthquakes that are ...