Last week's magnitude-5.2 earthquake in southern Illinois is a reminder that earthquakes are a national hazard, says the U.S. Geological Survey, which earlier this week released an updated version of ...

The five-year research program considered the seismic design of corrugated metal decks, with and without concrete topping, as a diaphragm system that is an integral part of the steel structure. Photo ...

The U.S. Geological Service recently released an update of U.S. National Seismic Hazard Maps that reflect the latest analysis of where future earthquakes will occur, how frequently they may occur, and ...

Since being tasked with leading a team to update national seismic hazard maps for the United States Geological Survey (USGS) in 1993, Art Frankel has used extensive seismological research to improve ...

Regarding the March 10 front-page article "Unexpected quakes shake geologists' faith": Earthquake hazard assessments and the derived seismic design maps that underlie building codes are among the most ...

HOUSTON (Reuters) - Earthquakes caused by human activity will now be included in the U.S. Geological Survey's seismic risk maps, the agency said on Monday after a sharp rise in temblors linked to ...

To reduce seismic risk to new tall buildings, San Francisco should develop regulations to address foundation and geotechnical issues. The city also should set performance-based design standards. For ...