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 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 ...

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 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 primary goal of the U.S. Geological Survey’s Hawaiian Volcano Observatory is to provide scientific information to reduce risks due to volcanic and seismic activity. To this end, HVO scientists ...

A few months ago we showed you Matt Fox’s excellent topographic maps of New Zealand, which were quite impressive. Over the years he’s had many requests to create similar maps with seamless USGS ...

Damaging earthquakes could strike nearly 75 percent of the U.S, new research from the U.S. Geological Survey (USGS) found. Scientists using the USGS National Seismic Hazard Model,created a color-coded ...

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 ...