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 ...

It just got way, way easier to search and browse the US Geological Survey’s collection of historical topographic maps, thanks to a new online map viewer. These maps—more than 178,000 of them—date back ...

We have in the past looked at a lot of content provided by the USGS. The USGS is the provider of the data for the ‘earthquakes layer’ in Google Earth. We also looked at some of their future plans, ...

The US Geological Survey (USGS) has added more earthquake related visualizations for Google Earth. A couple of weeks ago they released a large collection of visualizations for GE as part of the 100th ...

The U.S. Geological Survey (USGS) released six new sets of publicly available maps that show the diverse and complex range of seafloor habitats along 80 miles of the central California coast from the ...

The latest version of the U.S. Geological Survey’s earthquake hazard model, issued last week, shows “a chance for greater shaking” from earthquakes in California than previous iterations, the agency ...