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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 — The Great Hawaiʻi ShakeOut and the Earthquake Energy Budget

Volcano Watch — The Great Hawaiʻi ShakeOut and the Earthquake Energy Budget

The Great Hawaii ShakeOut is a yearly event for kamaʻāina and visitors to practice and prepare for when a large damaging earthquake hits the Hawaiian...

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Photo and Video Chronology – Kīlauea GPS campaign continues

Photo and Video Chronology – Kīlauea GPS campaign continues

Hawaiian Volcano Observatory geophysicists continue performing the annual GPS survey of Kīlauea. Most Kīlauea and Mauna Loa GPS campaign survey sites...

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A brief history of the Lassen Volcano Observatory (1926-1935)

A brief history of the Lassen Volcano Observatory (1926-1935)

Before there was a California Volcano Observatory or even a Long Valley Observatory, a tiny cabin in northern California housed the first full-time...

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Volcano Watch — Hawaii’s volcanoes are quiet and it’s a bit spooky

Volcano Watch — Hawaii’s volcanoes are quiet and it’s a bit spooky

Here in Hawaii nei, we don’t have the dramatically changing leaf colors and brisk temperatures that mark the arrival of Fall. And as October arrived...

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Volcano Watch — What do we know about the Kulanaokuaiki Tephra of Kīlauea volcano?

Volcano Watch — What do we know about the Kulanaokuaiki Tephra of Kīlauea volcano?

Kīlauea’s recent summit eruptions and lava lakes are exciting for residents, visitors, and scientists. However, Kīlauea has had numerous explosive...

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Photo and Video Chronology – HVO rebuilds Kohala station KOHD – September 2023

Photo and Video Chronology – HVO rebuilds Kohala station KOHD – September 2023

During the week of September 11, Hawaiian Volcano Observatory field engineers rebuilt the Kohala  repeater station (KOHD), which had been severely...

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Volcano Watch — Tsunamis pose a major threat to Hawaii: 24/7 monitoring at PTWC

Volcano Watch — Tsunamis pose a major threat to Hawaii: 24/7 monitoring at PTWC

It’s 3 a.m. and you’re halfway through a 12-6 a.m. graveyard shift at the NOAA Pacific Tsunami Warning Center (PTWC) in Honolulu, Hawaii. 

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Photo and Video Chronology – Kīlauea summit – September 18, 2023

Photo and Video Chronology – Kīlauea summit – September 18, 2023

Kīlauea is not erupting. The summit eruption that began on September 10 ended on September 16. It is unlikely that the recent eruption will resume...

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USGS HVO Volcanic Activity Notice: Kīlauea summit eruption stopped, status downgrade YELLOW/ADVISORY

USGS HVO Volcanic Activity Notice: Kīlauea summit eruption stopped, status downgrade YELLOW/ADVISORY

The Kīlauea summit eruption that began on September 10th stopped yesterday, September 16th, and is unlikely to restart. No unusual activity has been...

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Photo and Video Chronology – Views of Kīlauea summit eruption – September 15, 2023

Photo and Video Chronology – Views of Kīlauea summit eruption – September 15, 2023

Several vents continue to erupt on the western side of the downdropped block within Kīlauea's summit caldera and are generating lava flows onto Halema...

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Volcano Watch — Another Kīlauea summit eruption, another opportunity to learn

Volcano Watch — Another Kīlauea summit eruption, another opportunity to learn

Kīlauea is now erupting at the summit for the fifth time since 2020! The ongoing eruption offers an opportunity for Hawaiian Volcano Observatory (HVO)...

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Photo and Video Chronology – Analyzing Kīlauea summit eruption samples – September 14, 2023

Photo and Video Chronology – Analyzing Kīlauea summit eruption samples – September 14, 2023

Kīlauea's summit eruption continues. HVO staff are work on analyzing lava samples, with analytical help from partners at the University of Hawaiʻi at...

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