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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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USGS HVO Volcanic Activity Notice — Increased earthquake activity and ground deformation at Kīlauea summit

USGS HVO Volcanic Activity Notice — Increased earthquake activity and ground deformation at Kīlauea summit

Kīlauea volcano is not erupting. Increased earthquake activity and changes in the patterns of ground deformation at Kīlauea’s summit began occurring...

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Photo and Video Chronology – Kīlauea – September 27, 2021

Photo and Video Chronology – Kīlauea – September 27, 2021

HVO field crews—equipped with specialized safety gear—conduct station maintenance, collect water samples, and monitor for new changes from within the...

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Volcano Watch — Observations and impacts of the 2017–2018 Ambae, Vanuatu eruption

Volcano Watch — Observations and impacts of the 2017–2018 Ambae, Vanuatu eruption

The Pacific is home to dozens of active volcanic systems including the massive Hawaiian shield volcanoes Kīlauea and Mauna Loa. Most basaltic shield...

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Volcano Watch — How does HVO determine which regions are most threatened by lava flows?

Volcano Watch — How does HVO determine which regions are most threatened by lava flows?

Most residents of the Island of Hawaiʻi live on one of four potentially active volcanoes and probably have wondered about the threat of lava flows at...

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Volcano Watch — The MILEAGE project - Mapping Kīlauea’s Gas Emissions

Volcano Watch — The MILEAGE project - Mapping Kīlauea’s Gas Emissions

Large quantities of volcanic gases, such as carbon dioxide (CO2), sulfur dioxide (SO2), and hydrogen sulfide (H2S), are released into the atmosphere...

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Photo and Video Chronology – Kīlauea – September 7, 2021

Photo and Video Chronology – Kīlauea – September 7, 2021

HVO field crews—equipped with specialized safety gear—conduct station maintenance, collect water samples, and monitor for new changes from within the...

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New HVO webcam: [KOcam] South of Kīlauea caldera towards 1982 flow

New HVO webcam: [KOcam] South of Kīlauea caldera towards 1982 flow

A new USGS Hawaiian Volcano Observatory webcam provides views to the south of Kīlauea caldera in the area of the August 2021 intrusion. Near-live...

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Volcano Watch — Eruption? Intrusion? What’s the difference?

Volcano Watch — Eruption? Intrusion? What’s the difference?

We know that when a volcano erupts, molten red rock makes it to the surface, while during an intrusion it doesn’t. The difference between the two...

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Photo and Video Chronology – Kīlauea – September 1, 2021

Photo and Video Chronology – Kīlauea – September 1, 2021

Kīlauea summit interferogram

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Photo and Video Chronology – Kīlauea – August 31, 2021

Photo and Video Chronology – Kīlauea – August 31, 2021

HVO scientists deploy temporary Global Positioning System (GPS) sites to collect data from the intrusion southwest of Kīlauea caldera.

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USGS HVO Kīlauea Status Report — Ground deformation and earthquake activity continues beneath Kīlauea summit region, Island of Hawai‘i

USGS HVO Kīlauea Status Report — Ground deformation and earthquake activity continues beneath Kīlauea summit region, Island of Hawai‘i

Ground deformation in Kīlauea’s south summit region continues, though at a lower rate than what has been seen in earlier intrusive pulses over the...

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USGS HVO Kīlauea Status Report — Ground deformation and earthquake activity continues beneath Kīlauea summit region, Island of Hawai‘i

USGS HVO Kīlauea Status Report — Ground deformation and earthquake activity continues beneath Kīlauea summit region, Island of Hawai‘i

Ground deformation in Kīlauea’s south summit region continues, though at a rate slightly lower than the rates seen in the first intrusive pulse...

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