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Daily updates about ongoing eruptions, recent images and videos of summit and East Rift Zone volcanic activity, maps, and data about recent earthquakes in Hawaii are posted on the HVO website. 

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and colleagues.

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Volcano Watch — Sniffing out stealthy gas escape between Kīlauea’s eruptions

Volcano Watch — Sniffing out stealthy gas escape between Kīlauea’s eruptions

Kīlauea has erupted three times in 2023—January–March, June, and September—and has also experienced significant intrusive activity to the southwest of...

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Updates to the HVO website

Updates to the HVO website

Updates to HVO website organization have moved Kīlauea and Mauna Loa monitoring pages to "Science" content.

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New map of continued unrest at Kīlauea volcano

New map of continued unrest at Kīlauea volcano

Unrest continues at Kīlauea volcano and a new map summarizes activity over the past month.

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Volcano Watch — Opportunities to learn about the volcanoes in your backyard in January 2024

Volcano Watch — Opportunities to learn about the volcanoes in your backyard in January 2024

Volcanoes are a part of life for Hawaii residents. We live on the flanks, feeling earthquakes beneath our feet, smelling vog, and experiencing the...

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USGS HVO Information Statement—Magnitude-4.4 earthquake near the town of Volcano, Island of Hawaiʻi

USGS HVO Information Statement—Magnitude-4.4 earthquake near the town of Volcano, Island of Hawaiʻi

On Wednesday, December 6, at 5:17 p.m. HST, a magnitude-4.4 earthquake occurred near the town of Volcano, Island of Hawaiʻi, at a depth of 14 mi (23...

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Announcing Island of Hawai‘i Volcano Awareness Month Programs in January 2024!

Announcing Island of Hawai‘i Volcano Awareness Month Programs in January 2024!

January is Volcano Awareness Month on the Island of Hawai‘i! HVO, in cooperation with Hawai‘i Volcanoes National Park, the University of Hawai‘i at...

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USGS HVO Information Statement—Magnitude-5.1 earthquake on Kīlauea volcano’s south flank

USGS HVO Information Statement—Magnitude-5.1 earthquake on Kīlauea volcano’s south flank

On Monday, December 4, at 5:54 p.m. HST, a magnitude-5.1 earthquake occurred at Kīlauea volcano, at a depth of 1 mi (2 km) below sea level. 

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Volcano Watch — Explosive eruptions from Kīlauea: beneficial or dangerous depending on location

Volcano Watch — Explosive eruptions from Kīlauea: beneficial or dangerous depending on location

Twenty-five years ago, the frequently explosive activity of Kīlauea was unappreciated. Since then, continuing research has emphasized Kīlauea’s past...

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Reflecting on Mauna Loa's Reawakening

Reflecting on Mauna Loa's Reawakening

For months, USGS monitoring had shown that Mauna Loa was inching close to an eruption. Just before midnight on Sunday, November 27, 2022, the wait was...

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Volcano Watch — Volcano monitoring can be a risky business: how scientists work safely

Volcano Watch — Volcano monitoring can be a risky business: how scientists work safely

Active volcanoes are inherently hazardous places to work. Even when a volcano is quiet, volcanic gases, ground cracks, earthquakes, and uneven...

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Volcano Watch — Fostering Prepared Youths on the Natural Hazards of Backyard Volcanoes

Volcano Watch — Fostering Prepared Youths on the Natural Hazards of Backyard Volcanoes

During volcanic crises, the USGS Hawaiian Volcano Observatory (HVO) plays a pivotal role, sharing information on activity and associated hazards with...

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Volcano Watch — What’s shaking beneath Mauna Loa?

Volcano Watch — What’s shaking beneath Mauna Loa?

It’s hard to believe that nearly one year has passed since Mauna Loa erupted. Mauna Loa has been mostly quiet since the end of the 2022 eruption, but...

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