News

Rocks have a variety of colors that result from the minerals and chemical elements they contain and from their internal structure. Some names of rocks...

On Thursday, August 27, 2026, USGS Hawaiian Volcano Observatory (HVO) staff spent much of the day digging volcanic gas monitoring sites out of the...

In July, USGS Hawaiian Volcano Observatory (HVO) scientists visited an exposure of tephra and lava flows in the western wall of Kaluapele. The layers...

The USGS Hawaiian Volcano Observatory supported the response to Hurricane Lala, which affected the Hawaiian Islands the weekend of August 15.  On...

Yellowstone National Park is rightly famous for spectacular geysers.  It also has hot springs that create thumps you can hear and feel!

Did you feel that earthquake? Time to check the location and magnitude. Do you need to find out how much Kīlauea summit region has repressurized since...

Supereruptions are often imaged to be massive instantaneous events.  New geological evidence from Yellowstone, however, shows that these eruptions are...

Ocean swells are constantly beating on the ocean floor. This nonstop drumming creates continuous signals that travel through the Earth and are...

Although earthquakes present a major geologic hazard for humans, they may be key in the long-term survival of subsurface microbial communities.

Kīlauea’s current summit eruption started on December 23, 2024. Fifty-two episodes of lava fountains have happened on average every 11 days, and we...