News

Overnight, there was strong glow from the north and south vents with brief periods of spattering. Inflationary tilt is being recorded by summit...

Fifty years ago this month, the largest Hawaii earthquake of the 20th and 21st centuries occurred. Earthquake shaking, as well as ground subsidence...

On November 17, 2025, U.S. Geological Survey Hawaiian Volcano Observatory staff conducted fieldwork in the closed area of Hawaiʻi Volcanoes National...

The summit eruption of Kīlauea continues, with 36 episodes of lava fountaining since the eruption began on December 23, 2024. Within the past month...

The summit eruption of Kīlauea continues, with 36 episodes of lava fountaining since the eruption began on December 23, 2024. Let’s catch up on the...

On September 25, USGS Hawaiian Volcano Observatory geologists surveyed the elevation along a transect across the new tephra cone formed by the recent...

Episode 33 of the ongoing Halemaʻumaʻu eruption started around 3:11 a.m. HST on September 19, 2025 and ended at 12:08 pm HST September 19. On...

The USGS Hawaiian Volcano Observatory (HVO) monitors volcanic activity across the Hawaiian Islands and American Samoa, helping to ensure public safety...

Episode 33 of the ongoing Halemaʻumaʻu eruption started around 3:11 a.m. HST on September 19, 2025.  Lava fountain heights reached 700-800 feet (210...

HVO scientists traveled to American Samoa for critical network maintenance, meetings with partners, and community outreach from August 28-September 11...