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Magnitude 4.0 ILLINOIS April 21, 2008 Magnitude 5.2 ILLINOIS April 18, 2008

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The U.S. Geological Survey recently collected new data to help identify fault lines and the potential location of undiscovered water, oil and gas, and non-fuel mineral resources in Afghanistan...Media Advisory: New Data to Help with Afghanistan's Natural Resources and Hazards Assessments
(Released: 4/22/2008 1:57:14 PM)

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Friday's magnitude-5.2 earthquake in southern Illinois is a reminder that earthquakes are a national hazard...Earthquake Hazard Maps Show How the Nation Shakes with Quakes
(Released: 4/21/2008 3:20:24 PM)

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The Upper San Pedro Partnership was recognized with the Department of the Interior's Cooperative Conservation Award today...Upper San Pedro Partnership Wins Cooperative Conservation Award
(Released: 4/21/2008 3:06:30 PM)

Latest Publications

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Wills, Chris J.; Weldon, Ray J., II; Field, Edward H. (2008), Open-File Report 2007-1437-K.

This appendix describes how a-priori rupture models were developed for the northern California Type-A faults. As described in the main body of this report, and in Appendix G, ?a-priori? models represent an initial estimate of the rate of single and multi-segment surface ruptu...A-Priori Rupture Models for Northern California Type-A Faults
(Released: 2008-04-22)

Quick look:
Frankel, Arthur D.; Petersen, Mark D. (2008), Open-File Report 2007-1437-L.

The geometry and recurrence times of large earthquakes associated with the Cascadia Subduction Zone (CSZ) were discussed and debated at a March 28-29, 2006 Pacific Northwest workshop for the USGS National Seismic Hazard Maps. The CSZ is modeled from Cape Mendocino in California to Vancouver...Cascadia Subduction Zone
(Released: 2008-04-22)

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Ferrigno, Jane G.: Foley, Kevin M.; Swithinbank, Charles; Williams, Richard S., Jr. (2007), IMAP 2600-H.

Changes in the area and volume of polar ice sheets are intricately linked to changes in global climate, and the resulting changes in sea level could severely impact the densely populated coastal regions on Earth. Melting of the West Antarctic part alone of the An...Coastal-Change and Glaciological Map of the Northern Ross Ice Shelf Area, Antarctica: 1962-2004
(Released: 2008-04-22)

CoreCast

Earthquake in the Midwest Quick look:
A magnitude-5.2 earthquake struck in southern Illinois on April 18, 2008. Harley Benz, Scientist-in-Charge at the USGS National Earthquake Information Center, fills us in with the details.
Host: Clarice Nassif Ransom
(Fri, 18 Apr 2008 15:27:08 UTC; Length: 5:27)

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