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The first recorded earthquake in Illinois is from 1795 when a small earthquake shook the frontier settlement of Kaskaskia, although the epicenter could not be located and may have been outside Illinois. [6] Data from large earthquakes—in May and July 1909, and November 1968—suggest that earthquakes in the area are of moderate magnitude but ...
1968 Illinois earthquake; Isoseismal map; Seismic intensity scales; Seismic magnitude scales; Wikipedia:Graphics Lab/Image workshop/Archive/Jun 2009; Wikipedia:Recent additions/2009/October; File talk:1968 Illinois earthquake.svg; Category talk:Geography; Portal:Geography/Did you know; Portal:Geography/Did you know/2; Portal:Illinois/Selected ...
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.
The following is a list of earthquakes in Illinois. Earthquakes. Date Area ... 1968: 5 km (3.1 mi) SSW of ... Miscellaneous Field Studies Map 1143. United States ...
The largest NMSZ earthquake of the 20th century was a 5.4-magnitude quake on November 9, 1968, near Dale, Illinois. The quake damaged the civic building at Henderson, Kentucky, and was felt in 23 states. People in Boston said their buildings swayed.
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Still, for months, many pundits predicted a Democratic National Convention in Chicago this year would devolve into a scene out of 1968’s Vietnam era convention held in the city with days of ...
Isoseismal map of the earthquake (I–III are instrumental to slight, IV is moderate, V is rather strong, VI is strong, VII is very strong) The 1968 Illinois earthquake was the largest recorded earthquake in the "Prairie State", measuring 5.4 on the Richter scale. Although there were no fatalities, the earthquake caused considerable structural ...