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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 — Hualālai’s Wahapele eruption: cone-building, explosive phreatic activity, and lava flows

Volcano Watch — Hualālai’s Wahapele eruption: cone-building, explosive phreatic activity, and lava flows

While our attention is generally drawn to the Island of Hawai‘i’s most active volcanoes, Kīlauea and Mauna Loa, it is also important to keep watch on...

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USGS HVO Information Statement—Magnitude-4.3 earthquake 6 miles (9 km) ENE of Pāhala, Island of Hawaiʻi

USGS HVO Information Statement—Magnitude-4.3 earthquake 6 miles (9 km) ENE of Pāhala, Island of Hawaiʻi

On Tuesday, July 26, at 5:46 p.m. HST, a magnitude-4.3 earthquake occurred 6 miles (9 km) ENE of Pāhala, Island of Hawaiʻi at a depth of 21 mi (34 km)...

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Volcano Watch — HVO geologist Frank Trusdell receives Meritorious Service Award

Volcano Watch — HVO geologist Frank Trusdell receives Meritorious Service Award

Frank A. Trusdell, a research geologist at the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO), recently received a Meritorious Service...

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Photo and Video Chronology – Kīlauea – July 19, 2022

Photo and Video Chronology – Kīlauea – July 19, 2022

The Hawaiian Volcano Observatory conducted a geology monitoring overflight of Kīlauea summit on July 19, 2022.

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Photo and Video Chronology – Kīlauea – July 13, 2022

Photo and Video Chronology – Kīlauea – July 13, 2022

An eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is confined within Halema‘uma‘u crater, in...

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Volcano Watch — What is a volcano?

Volcano Watch — What is a volcano?

What makes a volcano a volcano? This was the topic of a “Volcano Watch” article about 20 years ago. Recent questions from visitors suggest this...

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Hawaiian Volcano Observatory archived Special Reports made available in digital format

Hawaiian Volcano Observatory archived Special Reports made available in digital format

Hawaiian Volcano Observatory Special Reports published in 1912, 1917, 1938, 1949, and 1950 have been added to the USGS Publications Warehouse and made...

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Photo and Video Chronology – Kīlauea – July 11, 2022

Photo and Video Chronology – Kīlauea – July 11, 2022

An eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is confined within Halema‘uma‘u crater, in...

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Volcano Watch — Picturing a plume

Volcano Watch — Picturing a plume

The volcanic gas plume at the summit of Kīlauea Volcano in Hawai‘i Volcanoes National Park is often the most visible indication of the ongoing...

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Media Alert: Low-flying helicopter will survey Kilauea’s inner workings

Media Alert: Low-flying helicopter will survey Kilauea’s inner workings

Note to Editors: In the public interest and in accordance with FAA regulations, the USGS is announcing this low-level airborne project. Your...

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July 7: Hawaiian Volcano Observatory Community Meeting on Helicopter Survey Over Unpopulated Parts of Kīlauea

July 7: Hawaiian Volcano Observatory Community Meeting on Helicopter Survey Over Unpopulated Parts of Kīlauea

The USGS Hawaiian Volcano Observatory is hosting a community meeting at the Pahoa Community Center on July 7 from 6-7:30 PM about an upcoming...

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Public input sought on environmental assessment for Hawai‘i Volcanoes National Park’s Disaster Recovery Project

Public input sought on environmental assessment for Hawai‘i Volcanoes National Park’s Disaster Recovery Project

Hawaiʻi Volcanoes National Park and the U.S. Geological Survey (USGS) seek community input on the environmental assessment (EA) for the proposed...

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