News

Kīlauea's summit eruption continues on the Island of Hawai‘i; the west vent in Halema‘uma‘u erupts lava into the lava lake. Gas emissions and seismic...

The Yellowstone hotspot—the source of heat that powers Yellowstone’s vast volcanic system—has long been thought to have initiated about 17 million...

Kīlauea's summit eruption continues on the Island of Hawai‘i; the west vent in Halema‘uma‘u erupts lava into the lava lake. Gas emissions and seismic...

Join USGS Hawaiian Volcano Observatory scientist emeritus Don Swanson on a virtual walk, during which you learn about the past 500 years of Kīlauea...

In this talk, USGS Hawaiian Volcano Observatory geologist Frank Trusdell, who has studied Mauna Loa for two decades, presents a roughly 40-minute talk...

Words matter in volcanology just as in the rest of society. Words matter among volcanologists themselves, of course, but they particularly matter in...

In this talk, USGS HVO scientists who monitor the eruption that began in Halema‘uma‘u at Kīlauea Volcano’s summit on December 20, 2020, share their...

Kīlauea's summit eruption continues on the Island of Hawai‘i; the west vent in Halema‘uma‘u erupts lava into the lava lake. Gas emissions and seismic...

The USGS Hawaiian Volcano Observatory (HVO) is announcing a revised Volcano Awareness Month schedule of recorded programs.  Programs, which are...

A CVO geophysicist discusses how the monitoring stations installed at Mount Hood in 2020 provide insight into the recent Mount Hood earthquake swarm.