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 ...

USGS has unveiled its most detailed national geologic map, giving the public a free, interactive way to explore underground ...

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 ...

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 United States Geological Survey (USGS) continues to support the delivery of its digital maps through Avenza Systems Inc.‘s PDF Maps app. It has widened the selection to more than 120,000 US Topo ...

For the first time, the U.S. Geological Survey released maps identifying potential ground-shaking hazards from both human-induced and natural earthquakes. In the past, USGS maps only identified ...

With the release of new US Topo maps for Illinois and South Dakota, the USGS has completed the second, three-year cycle of revising and updating electronic US Topo quadrangles. Since the project’s ...

The map showing the Elder's course was prepared using maps published by the United States Coast Survey and the U. S. Geological Survey. Geographer Henry Gannett traced the route onto an existing ...

I've only seen some limited efforts on the local level in the past. The city of Seattle has been collecting landslide data since 1890, so they have a wonderful data bank of historical land-movement ...

Look out, South Carolina, Illinois, and Missouri. Although California is well known for earthquakes, new federal government maps extend the high-risk zones for temblors across much more of the country ...