News

In the late hours of November 27, 2022, Mauna Loa began erupting. Lava was visible on the west side of the Island of Hawaiʻi, from Kailua-Kona to...

Ground deformation measurements are an important volcano and earthquake monitoring tool in Yellowstone. But they also detect changes unrelated to...

Lava flows slowly approaching houses. Authorities evacuating neighborhoods. The tension of residents not knowing when, or if, they can return to their...

In summer 2023, YVO scientists established a new monitoring station in Norris Geyser Basin.  The site is the first of its kind in Yellowstone and will...

Several newly published USGS data releases provide data on Kīlauea thermal maps during the 2018 lower East Rift Zone eruption, tiltmeter data from...

Technicians at the USGS Hawaiian Volcano Observatory (HVO) are constantly engineering, building, deploying, maintaining, troubleshooting, or upgrading...

You can learn a lot about the geological conditions of a region through scientific drilling. And that’s exactly what happened at Yellowstone in the...

Over the past several months, periods of increased earthquake activity and ground deformation in the summit region of Kīlauea volcano indicate that...

Is a caldera a landform or a type of volcano?  Turns out, it’s both.  Which can be a little confusing.

Whether they originate above or below the Earth’s surface, a wide array of signals appear on the USGS Hawaiian Volcano Observatory’s earthquake...