News

With over 10,000 thermal features, Yellowstone is covered from A to Z. Well, almost…

The Pacific Internship Programs for Exploring Science (PIPES) is celebrating its 30th anniversary of growing the next generation of aloha ʻāina...

In July 2024, a hydrothermal explosion at Black Diamond Pool sent muddy water and rocks hundreds of feet into the air. It’s far from the first time a...

Remember when a little puddle of green water was spotted in Halemaʻumaʻu? Time flies, because that was late July 2019—over five years ago! And because...

How often do hydrothermal explosions occur in Yellowstone National Park? It all depends on the size of the event.

"Time to go"… words that none of us at the USGS Hawaiian Volcano Observatory (HVO) wanted to hear.

The hydrothermal explosion at Biscuit Basin on July 23, 2024, was a spectacular event and emphatically demonstrates an underappreciated hazard in the...

The upper East Rift Zone (UERZ) of Kīlauea has been shaking more than normal, with nearly 1,500 earthquakes between July 22 and 25. The activity is...

This spring, geologists discovered a small crater at Norris Geyser Basin that, based on monitoring data, appears to have formed during a minor...

Measurement of volcanic gases is critical for both public safety and understanding volcanic activity—and everything we measure relies on the wind.