News

Pāhala, a town located in the southeast part of the Island of Hawai‘i, lies above the state’s most seismically active area. In the last 5 years, the...

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...

What is a volcanologist, exactly? The short answer is a volcanologist is a person who studies volcanoes, but that’s not the whole story. There are as...

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...

HVO continues to closely monitor Kīlauea for signs of renewed activity. Should volcanic activity change significantly a new Volcanic Activity Notice...

HVO is reducing the volcano alert level for Mauna Loa from WARNING to WATCH, reflecting the limited hazards associated with the current activity.

The first few hours of Mauna Loa’s eruption were dynamic, and volcanologists intently watched monitoring data to track changing conditions and...

At 10:45 p.m. Sunday evening, November 27, USGS Hawaiian Volcano Observatory (HVO) scientists were alerted to an earthquake swarm beneath Mauna Loa...