Volcano Watch

When lava flows break out on the flanks of Kīlauea or Mauna Loa, Hawaiʻi residents and emergency management agencies want to know what to expect...

In the last few months, "Volcano Watch" articles have introduced several research projects funded by the Additional Supplemental Disaster Relief Act...

The USGS Hawaiian Volcano Observatory (HVO) has recently completed the purchase, installation, and calibration of a new physical volcanology...

Footage of Iceland’s Fagradalsfjall eruption on Reykjanes Peninsula in 2021 showed glowing lava flows and bubbling cones that were evocative of...

The USGS Hawaiian Volcano Observatory’s (HVO’s) geodetic network is actively being upgraded to help scientists monitor and respond to volcanic...

Earthquakes have been felt since late July in the Manuʻa Islands of American Samoa in the South Pacific. These earthquakes are likely associated with...

Covering over half of the Island of Hawai‘i, Mauna Loa is sometimes referred to as a “sleeping giant” because it hasn’t erupted in 38 years after...

The ongoing eruption at the summit of Kīlauea hasn’t made the news recently, but that doesn’t mean the recent eruptive activity hasn’t been noteworthy...

While our attention is generally drawn to the Island of Hawai‘i’s most active volcanoes, Kīlauea and Mauna Loa, it is also important to keep watch on...

Frank A. Trusdell, a research geologist at the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO), recently received a Meritorious Service...