News

The vigorous fountaining from vents in the southwest corner of Halemaʻmaʻu crater at the summit of Kīlauea volcano rapidly died down over a few...

The eruption at Kīlauea volcano that began yesterday, December 23, slowed starting around 3 p.m. HST yesterday. The eruption paused through the night...

Yellowstone has been a site of persistent volcanic activity for over 2 million years. But what did the region look like before the volcanoes started...

The Hawaiian Volcano Observatory (HVO) is part of the U.S. Geological Survey (USGS), the science agency of the U.S. Department of Interior. Our job is...

Yellowstone National Park is famous for its wildlife and geothermal activity. When we explore the intersection of these two natural grandeurs, we find...

Interferograms are images created by radar satellites that show how the ground has changed shape, or deformed, over time. Today, we’ll dive into one...

What happened to the cinders that used to float atop Cinder Pool in the One Hundred Spring Plain area of Norris Geyser Basin?

Last week, a swarm of earthquakes happened below Long Valley's Mammoth Mountain, lasting a little over 12 hours. How do we decide whether or not it's...

The Stanley earthquake rattled Idaho in 2020.  Geologists have spent the past four years learning more about the fault that caused the quake—including...

The USGS Hawaiian Volcano Observatory (HVO) keeps its eyes on active volcanoes in many ways.  While old fashioned eyes and a notebook are used when...