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A magnitude 3.6 earthquake rattled northern Illinois and parts of three other states early Wednesday, awakening some residents and spurring reports to 911 about homes shaking, the U.S. Geological ...
“Instead of allowing this event to scare you, use this real world event to help you review and update your family emergency plan,” public safety official said.
On July 15, 2024, at 0253hrs CST a 3.4 magnitude earthquake was recorded with an epicenter roughly 2 km North West of Somonauk, Il. It has a largely 400 to 600-foot vertical displacement, although parts can reach up to an 800-foot displacement, and is likely a configuration of several smaller faults, varying in both direction and displacement.
Catalog of significant historical earthquakes in the Central United States (PDF) (Report). Open-File Report 2004-1086. Open-File Report 2004-1086. doi : 10.3133/ofr20041086 .
The app began providing earthquake alerts in Oregon on March 11, 2021. [50] The QuakeAlertUSA app was decommission on November 6, 2023, so that the company could focus on its commercial earthquake response services. [51] QuakeAlertUSA delivered alerts for earthquakes exceeding M W 4.5 and that produced a shaking intensity greater than
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.
Isoseismal map for the 1968 Illinois earthquake. In seismology, an isoseismal map is used to show countour lines of equally felt seismic intensity, generally measured on the Modified Mercalli scale. Such maps help to identify earthquake epicenters, particularly where no instrumental records exist, such as for historical earthquakes.
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