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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 — Kīlauea Volcano's 1954 summit eruption was a short, but spectacular, event

Volcano Watch — Kīlauea Volcano's 1954 summit eruption was a short, but spectacular, event

After more than 18 months of dormancy, Kīlauea Volcano erupted early on the morning of May 31, 1954. The eruption was not specifically predicted, but...

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Photo and Video Chronology - Kīlauea - April 29, 2011

Photo and Video Chronology - Kīlauea - April 29, 2011

The floor of Pu‘u ‘Ō‘ō crater continues its slow rise.

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Volcano Watch — What's next for Kīlauea's east rift zone?

Volcano Watch — What's next for Kīlauea's east rift zone?

The steady stream of lava cascading down the slopes above Kalapana village died out shortly after March 5 this year, when the spectacular Kamoamoa...

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Photo and Video Chronology - Kīlauea - April 21, 2011

Photo and Video Chronology - Kīlauea - April 21, 2011

A small lava lake is active at the bottom of Pu‘u ‘Ō‘ō crater. Thermal image of Pu‘u ‘Ō‘ō crater showing the lava lake within the crater.

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Volcano Watch — Recent earthquake is a small piece to a much larger puzzle

Volcano Watch — Recent earthquake is a small piece to a much larger puzzle

On April 2, 2011, at 11:11 a.m. HST, a magnitude-3.6 earthquake occurred 9 km (5 mi) southwest of Volcano Village. Following such an earthquake, the...

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Photo and Video Chronology - Kīlauea - April 15, 2011

Photo and Video Chronology - Kīlauea - April 15, 2011

Pu‘u ‘Ō‘ō continues to host a small lava lake at the bottom of the crater.

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Volcano Watch — New HVO Seismic Network Manager feels the heat his first week on the job

Volcano Watch — New HVO Seismic Network Manager feels the heat his first week on the job

"Trial by fire" wasn’t how Wes Thelen planned to start his job as the new Seismic Network Manager for the USGS Hawaiian Volcano Observatory, but that...

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Volcano Watch — Be akamai—when in doubt, head mauka

Volcano Watch — Be akamai—when in doubt, head mauka

By now, everyone is familiar with the magnitude-9.0 (M9.0) earthquake and tsunami that devastated Japan on March 11, 2011, and arrived at Hawai‘i...

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Volcano Watch — Scientific collaborations aid study of Kamoamoa fissure eruption

Volcano Watch — Scientific collaborations aid study of Kamoamoa fissure eruption

In early March, a new phase of Kīlauea's east rift zone eruption occurred as lava erupted in the Kamoamoa area, between Nāpau Crater and Pu‘u ‘Ō‘ō...

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Photo and Video Chronology - Kīlauea - March 28, 2011

Photo and Video Chronology - Kīlauea - March 28, 2011

Lava reappeared in Pu‘u ‘Ō‘ō crater, covering the floor with a small lava lake.

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USGS HVO Press Release — Lava Returns to Kīlauea Volcano's east rift zone

USGS HVO Press Release — Lava Returns to Kīlauea Volcano's east rift zone

HAWAI‘I ISLAND, Hawai‘i — Following an almost 17-day pause in eruptive activity, lava is once again visible on Kīlauea Volcano's east rift zone...

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Volcano Watch — The first day of the Kamoamoa fissure eruption from one scientist's perspective

Volcano Watch — The first day of the Kamoamoa fissure eruption from one scientist's perspective

HVO scientists were shaken out of their weekend routine when, at 1:42 p.m., on Saturday, March 5, 2011, the seismic tremor alarms started and, at 2:16...

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