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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 ...
Historical earthquakes is a list of significant earthquakes known to have occurred prior to the early 20th century. As the events listed here occurred before routine instrumental recordings — later followed by discoveries of Earth's tectonic plates, [1] seismotomography imaging technique, [2] observations using space satellites from outer space, [3] artificial intelligence (AI)-based ...
Date Area Epicenter Mag. MMI Depth (km) Deaths Injuries Total damage / notes Source April 18, 2008: 7 km (4.3 mi) NNE of Bellmont, Wabash County: 5.2 M w: VII 14.3 2 Limited / strike-slip (left lateral)
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Seismicity in New York City area. Data from U.S. Geological Survey (Top, USGS) and National Earthquake Information Center (Bottom, NEIC). In top figure, closed red circles show 1924–2006 epicenters. Open black circles show larger earthquakes of 1737, 1783 and 1884. Green lines are the Ramapo fault.
The color-coded map shows a range of earthquake probability across the U.S. Well known high-risk areas, such as California and Alaska, are coded in dark red, denoting the highest risk.
The district was the commercial center of Rockford's substantial Swedish American community. Swedish settlement in Rockford began in 1852, and Swedes accounted for a third of the city's population by the 1890s; while the first Swedish American community formed around a railroad station on Kishwaukee Street, it shifted to Seventh Street in the ...
In 1884, Rockford established its first city-wide public school district, constructing Rockford Central High School in 1885; following the construction of the high school, the district began construction of brick multi-story multigrade school buildings across the city. The Rockford Female Seminary became the alma mater of Jane Addams in 1881 ...