News

Shiny and elusive, featherlight and golden-brown. If poets were to write about rocks, I’m sure they would sing their praises of Pele’s hairs. Don’t be...

Understanding volcanic eruptions requires learning about where the erupted lavas come from deep within the volcano. But how do scientists get...

Mauna Loa’s recent eruption is still fresh in the minds of Hawaiian Volcano Observatory (HVO) scientists and Island of Hawai‘i residents. Now is a...

When Mauna Loa erupted in November 2022 for the first time in nearly forty years, one of the main concerns was the lava and where it would flow. But...

Real-time views of an eruption site are a vital source of information for emergency managers, so webcams are one of the most important tools in an...

HVO Geophysicists perform post-eruption survey of Mauna Loa.

Seismology is one of several critical elements used at the Hawaiian Volcano Observatory (HVO) to assess volcanic unrest and hazards. Often, the...

This January, the USGS Hawaiian Volcano Observatory (HVO) will partner with the University of Hawai‘i at Hilo, Hawai‘i Volcanoes National Park Service...

Mauna Loa is no longer erupting. Lava supply to the fissure 3 vent on the Northeast Rift Zone ceased on December 10th and sulfur dioxide emissions...

As the USGS responds to the 2022 eruption of Mauna Loa, the USGS Volcano Science Center and the volcano observatories mark a number of successful...