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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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Kīlauea Volcano Activity Notice — Status upgrade to ORANGE/WATCH, elevated unrest at the summit

Kīlauea Volcano Activity Notice — Status upgrade to ORANGE/WATCH, elevated unrest at the summit

Kīlauea volcano is not erupting. Increased earthquake activity and inflationary ground deformation at Kīlauea’s summit began occurring during the...

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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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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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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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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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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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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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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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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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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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