| Abstract: | Evidence that earthquakes threaten the Mississippi, Ohio, and Wabash River valleys of the Central United States abounds. In fact, several of the largest historical earthquakes to strike the continental United States occurred in the winter of 1811-1812 along the New Madrid seismic zone, which stretches from just west of Memphis, Tenn., into southern Illinois. Several times in the past century, moderate earthquakes have been widely felt in the Wabash Valley seismic zone along the southern border of Illinois and Indiana. Throughout the region, between 150 and 200 earthquakes are recorded annually by a network of monitoring instruments, although most are too small to be felt by people. Geologic evidence for prehistoric earthquakes throughout the region has been mounting since the late 1970s. But how significant is the threat? How likely are large earthquakes and, more importantly, what is the chance that the shaking they cause will be damaging? |
| Genre: | USGS Numbered Series |
| ProdID: | 79554 |
| Citation Author: | Gomberg, Joan; Schweig, Eugene |
| Citation Contributing Office: | Earthquake Hazards Program |
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| Citation Edition: | Version 1.0 |
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| Citation Language: | ENGLISH |
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| Citation Month: | JAN |
| Citation No Pagination: | |
| Citation Number Of Pages: | 4 |
| Citation Online Only Flag: | |
| Citation Phsyical Description: | 4 p. |
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| Citation Public Comments: | UNDERSTANDING EARTHQUAKE HAZARDS IN THE CENTRAL UNITED STATES |
| Citation Publisher: | |
| Citation Series: | Fact Sheet |
| Citation Series Code: | FS |
| Citation Series Number: | 2006-3125 |
| Citation Search Results Text: | Earthquake Hazard in the Heart of the Homeland; 2007; FS; 2006-3125; Gomberg, Joan; Schweig, Eugene |
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| Citation Year: | 2007 |
| Type: | citation/reference |
| Text: | Earthquake Hazard in the Heart of the Homeland; 2007; FS; 2006-3125; Gomberg, Joan; Schweig, Eugene |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/fs_2006_3125.jpg |
| URL (INDEX PAGE): | http://pubs.usgs.gov/fs/2006/3125/ |
| Date Other: | Sat, 13 Jan 2007 00:00 -0600 |
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| Superseded by: |
http://pubs.er.usgs.gov/publication/fs13102
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