Seismicity map of the state of Pennsylvania
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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 in the United States (Algermissen, 1969) which have been recompiled and updated through 1977. These data have been reexamined which resulted in some revisions of epicenters and intensities as well as assignment of intensities to earthquakes that previously had none assigned. 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 each 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 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 Pennsylvania |
| Series title | Miscellaneous Field Studies Map |
| Series number | 1280 |
| DOI | 10.3133/mf1280_1981 |
| Year Published | 1981 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | 35.40 x 24.50 inches |
| Country | United States |
| State | Pennsylvania |
| Google Analytic Metrics | Metrics page |