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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 — Iceland’s recent eruption a reminder of lava flow hazards

Volcano Watch — Iceland’s recent eruption a reminder of lava flow hazards

Lava flows slowly approaching houses. Authorities evacuating neighborhoods. The tension of residents not knowing when, or if, they can return to their...

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HVO monitoring network outage

HVO monitoring network outage

On Wednesday, January 24, 2024, planned removal of network hardware from the former USGS Hawaiian Volcano Observatory (HVO) building in Hawai‘i...

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New USGS Data Releases Available

New USGS Data Releases Available

Several newly published USGS data releases provide data on Kīlauea thermal maps during the 2018 lower East Rift Zone eruption, tiltmeter data from...

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Volcano Watch — Upgrades below the surface

Volcano Watch — Upgrades below the surface

Technicians at the USGS Hawaiian Volcano Observatory (HVO) are constantly engineering, building, deploying, maintaining, troubleshooting, or upgrading...

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Scheduled HVO website interruption

Scheduled HVO website interruption

On Wednesday, January 17, 2024, upgrades to the USGS Web platform will cause access interruptions on the USGS Hawaiian Volcano Observatory (HVO)...

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Upcoming HVO webcam changes

Upcoming HVO webcam changes

Several Hawaiian Volcano Observatory webcams will be decommissioned during the latter half of January 2024 due to deconstruction of Okamura Building...

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Volcano Watch — Where is magma stored in Kīlauea?

Volcano Watch — Where is magma stored in Kīlauea?

Over the past several months, periods of increased earthquake activity and ground deformation in the summit region of Kīlauea volcano indicate that...

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Updated map of unrest at Kīlauea summit over the past month

Updated map of unrest at Kīlauea summit over the past month

Intermittent unrest continues at Kīlauea volcano, and a new map summarizes activity over the past month.

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Volcano Watch — Separating signals: What matters to seismologists?

Volcano Watch — Separating signals: What matters to seismologists?

Whether they originate above or below the Earth’s surface, a wide array of signals appear on the USGS Hawaiian Volcano Observatory’s earthquake...

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USGS HVO Information Statement — Kīlauea summit unrest

USGS HVO Information Statement — Kīlauea summit unrest

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) is recording elevated unrest and increased seismicity to the south of Kīlauea's summit...

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Volcano Watch — New Year’s Eve 1974: Kīlauea volcano’s most recent Southwest Rift Zone eruption

Volcano Watch — New Year’s Eve 1974: Kīlauea volcano’s most recent Southwest Rift Zone eruption

Kīlauea is one of the most active volcanoes on Earth, with a majority of its eruptions occurring at its summit or one of its two rift zones, the East...

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Volcano Watch — A Pūpū Platter of Earthquakes

Volcano Watch — A Pūpū Platter of Earthquakes

A pūpū platter is an assortment of appetizers commonly served at social gatherings in Hawaii. During one week in December 2023, Island of Hawaiʻi...

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