The U.S. Geological Survey is scanning 250,000 of its historic maps to put online. The U.S. Geological Survey (USGS) is nearly halfway through its release of more than 250,000 historical topographic ...

The United States Geological Survey has nearly completed its project to digitize over 200,000 topographical maps and create a free, searchable online archive The United States Geological Survey has ...

USGS has unveiled its most detailed national geologic map, giving the public a free, interactive way to explore underground features. Here’s how to use it.

At a magnitude of 6.7, the Jan. 17, 1994 Northridge earthquake wasn’t unusual in terms of its size. Since 1900, an average of 120 earthquakes per year worldwide are in the magnitude-6.0 to 6.9 range.

Nearly all of California has a more than 95% chance of a damaging earthquake in the next century, a new United States Geological Survey map shows. The new USGS National Seismic Hazard Model released ...

The Brinkerhoff Geology Library supports students, faculty, and researchers with a focused collection of geological literature, maps, and data resources. It provides a quiet study environment and ...

The potential for catastrophic earthquakes to rock nearly every corner of the United States is becoming a growing threat, according to the U.S. Geological Survey. By analyzing the newest seismic ...