Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment in 1879. Congress created the USGS to “classify the public lands and examine ...

The Hawaiian Volcano Observatory detected an increase in shallow seismicity and localized ground deformation beneath the ...

This past March, a team of U.S. Geological Survey scientists — two of whom travelled from Hawaii — visited El Salvador in ...

Add Yahoo as a preferred source to see more of our stories on Google. Hawaii's Kilauea volcano, one of the most active in the world, is erupting again, prompting a volcano watch alert in surrounding ...

USGS released its most detailed national geologic map, offering layered views of geology beneath the Earth’s surface across the lower 48 states. The Cooperative National Geologic Map integrates data ...

This week the U.S. Geological Survey Cascades Volcano Observatory, in cooperation with the U.S. Forest Service and Mount Hood National Forest, installed three new volcano monitoring stations on the ...

Hundreds of earthquakes took place over the weekend in Hawaii, the U.S. Geological Survey said, indicating a possible volcanic eruption in the state. The heap of earthquakes, with rates reaching ...

Federal scientists are pushing back against viral claims that “mega eruptions” could strike within days, even as they quietly prepare for the possibility that any restless volcano can change behavior ...

This chapter summarizes the principal conclusions and recommendations developed elsewhere in this report. Major conclusions are printed in italics and recommendations in bold. Basic research in the ...

Shallow earthquakes and ground deformation at Kilauea’s summit highlight hazards near Halemaʻumaʻu - Features | Hawaii ...