Seismicity map of the State of Illinois
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Abstract
The earthquake data shown on this map and listed in table 1 are a list of earthquakes that were originally used in preparing the Seismic Risk Studies in the United States (Algermissen, 1969) which have been recompiled and updated through 1977. The data have been reexamined and intensities assigned where none had been assigned before, on the basis of available data. Other intensity values were updated from new and additional data sources that were not available at the time of original compilation. Some epicenters were relocated on the basis of new information. The data shown in table 1 are estimates of the most accurate epicenter, magnitude, and intensity of teach earthquake, on the basis of historical and current information. Some of the aftershocks from large earthquakes are listed but are incomplete in many instances, especially for the ones that occurred before seismic instruments were in universal usage.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Seismicity map of the State of Illinois |
| Series title | Miscellaneous Field Studies Map |
| Series number | 1143 |
| DOI | 10.3133/mf1143 |
| Year Published | 1979 |
| Language | English |
| Publisher | U.S. Geological Survey, Department of the Interior |
| Publisher location | Denver, CO |
| Description | 36.44 x 29.91 in |
| Country | United States |
| State | Illinois |
| Scale | 1 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |