Volcano Hazards

U.S. Volcanoes and Current Activity Alerts

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There are 169 potentially active volcanoes in the U.S. The mission of the USGS Volcano Hazards Program is to enhance public safety and minimize social and economic disruption from volcanic unrest and eruption. We accomplish this by delivering effective forecasts, warnings, and information about volcano hazards based on scientific understanding of volcanic processes.

News

Date published: October 29, 2020

Volcano Watch — Seismic Swarms and Sulfur Smells: What is Happening at Kīlauea Volcano?

On the evening of Thursday, October 22nd, people living near the summit of Kīlauea Volcano began to feel a series of earthquakes.  They were small, and some could even be mistaken for a strong gust of wind blowing against the house. 

Date published: October 26, 2020

Going for a swim…at Old Faithful???

A swimming pool?  At Old Faithful?  Sounds crazy, but for nearly 40 years in the first half of the 20th century there was a geyser-heated bathhouse right next to the most iconic geyser in the world!

Date published: October 23, 2020

Kīlauea Information Statement

Kīlauea Volcano is not erupting. A small swarm of shallow seismicity over the past 24 hours has occurred near the Ka‘ōiki fault system, northwest of Kīlauea's summit. Other Kīlauea monitoring data streams remain stable and show no signs of increased activity.

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