News

Continued activity on coastal plain but little advancement

Astute watchers of recent earthquake activity at Kīlauea have noticed a marked increase of earthquakes, both within the summit caldera and in a...

Continued high levels in Halema‘uma‘u

The Halema‘uma‘u lava lake reaches to within 38 m of crater floor. 
 

Views of the lava lake in Halema‘uma‘u.

A new fact sheet on Mauna Loa titled "Mauna Loa—History, Hazards, and Risk of Living With the World’s Largest Volcano" is now available. This week's...

Aerial views of Halema‘uma‘u 'overlook' vent lava lake.

Lava lake in Halema‘uma‘u overlook vent at high level.

A hazards assessment for Lassen Volcanic Center, California, is now available for download from the USGS Publications Warehouse.

In mid-October, U.S. Geological Survey volcanologists and geophysicists plan to conduct the first comprehensive, high-resolution airborne magnetic...