News

HVO's first volcanic activity update, written by Frank Perret, the most famous American volcanologist of his time, appeared in the Pacific Commercial...

Lava filled the floor of the Puka Nui pit and the MLK pit on the west end of Pu‘u ‘Ō‘ō. 

Earlier this month, a key subset of the U.S. Geological Survey's (USGS) Hawaiian Volcano Observatory (HVO) seismographic network was upgraded. This...

Video showing the recent uplift of the lava lake and crater floor in Pu‘u ‘Ō‘ō Crater.

This week marks the occasion of the 1,000th published Volcano Watch article. For nearly two decades, these articles, written predominantly by the...

Video showing timelapse sequence from Pu‘u ‘Ō‘ō Crater.

"Is the volcano dead?" "When will it erupt again?"

Lava erupting steadily inside the crater of Pu‘u ‘Ō‘ō during the past three months is slowly approaching the lava high point of March 5, just before...

Looking west into Pu‘u ‘Ō‘ō Crater and the perched pond.

Photos of the active lava lake in Pu‘u ‘Ō‘ō and its levee.