News

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) reports that, starting just before 6:00 a.m. HST Sunday morning, March 5, 2017, a...

Bogoslof volcano, located in the Aleutian Islands about 98 km (61 mi) northwest of Dutch Harbor/Unalaska, is in an active eruption sequence that began...

Pasadena, Calif. – A new U.S. Geological Survey study offers a view into the past behavior of large earthquakes along the southern San Andreas Fault. ...

In 2016 the USGS led two geophysical surveys of the Queen Charlotte-Fairweather fault off the coast of southeast Alaska, using multibeam sonar to map...

Atmospheric rivers are a global weather phenomenon that can bring large amounts of rain or snow to the U.S. West Coast each year. These rivers of wet...

When wildfires spread and scorch the earth, people like Penny Luehring have to act fast. Secondary impacts such as debris flows can be devastating to...

Small variations in the density of the earth’s crust—undetectable to humans without sensitive instruments—influence where earthquakes may occur in the...

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.6 earthquake between the Islands of Hawai‘i and Maui on Friday...

In a study released today, U.S. Geological Survey scientists and their colleagues document how the 2015-16 winter featured one of the most powerful El...

A recent interpretive review of scientific literature performed by the U.S. Geological Survey and the University of Rochester sheds light on the...