News

The caldera was a dynamic place during the 300-plus years just before written history began at Kīlauea (in 1823), and the newly defined subdivisions...

The USGS Hawaiian Volcano Observatory (HVO) has a long tradition of innovation when it comes to the tools that we use to monitor the status and...

Short-lived lava falls at Kamokuna ocean entry

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.1 earthquake east of the Island of Hawaiʻi on Friday, August 18...

The longest-lived and most voluminous rift-zone eruption of Kīlauea Volcano in more than 500 years—the ongoing Pu‘u ‘Ō‘ō eruption—began in January...

Flow front stalled on coastal plain

Thermal cameras have been used by volcanologists around the world for many years to study volcanic processes and search for signs of impending...

Activity continues on the 61g flow field and at the ocean entry

Join volcano scientists from around the world during scientific meeting and associated public event in Portland.

True or False:  Lightning that takes place during a volcanic eruption is the same as lightning that occurs during a thunderstorm?