News

More imagery from August 4 field observations of Halema‘uma‘u

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's...

Third pond of water now visible in Halema‘uma‘u

HVO continues to monitor the water in Halema‘uma‘u

Small pond of water in Halema‘uma‘u as viewed from the caldera rim

Water observed at the bottom of Halema‘uma‘u

USGS Hawaiian Volcano Observatory (HVO) scientists usually base their research on observations, either visual or instrumental. Interpretations come...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's...

In ongoing media coverage of demonstrations at the base of Mauna Kea, many hundreds of people can be seen standing on a black lava flow that surrounds...

HVO seismologist Brian Shiro discusses similarities and differences between the 2018 Hawai‘i and 2019 California earthquake sequences.