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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 — How Thomas Jaggar's vision became the Hawaiian Volcano Observatory

Volcano Watch — How Thomas Jaggar's vision became the Hawaiian Volcano Observatory

One hundred years ago, Frank Perret, world-famous volcanologist, was watching the lava lake action in Halema‘uma‘u Crater. Honolulu businessmen and...

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Photo and Video Chronology - Kīlauea - September 29, 2011

Photo and Video Chronology - Kīlauea - September 29, 2011

Current flows that have erupted on the east side of Pu‘u ‘Ō‘ō cone.

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Volcano Watch — Infamous Mount Tambora is rumbling again

Volcano Watch — Infamous Mount Tambora is rumbling again

Skies darkened, temperatures plunged, crops failed, and disease and famine ensued. These and other strange phenomena afflicted people around the world...

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Photo and Video Chronology - Kīlauea - September 23, 2011

Photo and Video Chronology - Kīlauea - September 23, 2011

Three videos of the active lava streams from Pu‘u ‘Ō‘ō.

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Volcano Watch — Pu‘u ‘Ō‘ō shifts direction again

Volcano Watch — Pu‘u ‘Ō‘ō shifts direction again

Anyone watching the Webcams positioned on and around Pu‘u ‘Ō‘ō in the early morning hours of Wednesday, September 21, would have seen a marked change...

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Photo and Video Chronology - Kīlauea - September 21, 2011

Photo and Video Chronology - Kīlauea - September 21, 2011

A new fissure opened and began erupting on the east flank of Pu‘u ‘Ō‘ō crater.

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USGS HVO Press Release — Hawai‘i Island Fourth Grade Students Invited to Enter Volcano Poster Contest

USGS HVO Press Release — Hawai‘i Island Fourth Grade Students Invited to Enter Volcano Poster Contest

HAWAI‘I ISLAND, Hawai‘i — Hawai‘i Island fourth grade students are invited to participate in a poster contest celebrating 100 years of volcano...

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Photo and Video Chronology - Kīlauea - September 16, 2011

Photo and Video Chronology - Kīlauea - September 16, 2011

A deflation–inflation (DI) event, which began yesterday afternoon, led to a marked decrease in eruptive activity at Pu‘u ‘Ō‘ō overnight. Two vertical...

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Photo and Video Chronology - Kīlauea - September 15, 2011

Photo and Video Chronology - Kīlauea - September 15, 2011

Perched lava ponds have developed outside of Pu‘u ‘Ō‘ō crater.

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Volcano Watch — No bottle of rum for these pirates: The unforeseen effect of ship attacks in the Indian Ocean

Volcano Watch — No bottle of rum for these pirates: The unforeseen effect of ship attacks in the Indian Ocean

Jack Sparrow, the central figure of the popular "Pirates of the Caribbean" movie tetrology, is an intriguing and charismatic character. Real-life...

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Photo and Video Chronology - Kīlauea - September 14, 2011

Photo and Video Chronology - Kīlauea - September 14, 2011

Awesome views of the active lava lakes in Pu‘u ‘Ō‘ō crater.

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Photo and Video Chronology - Kīlauea - September 8, 2011

Photo and Video Chronology - Kīlauea - September 8, 2011

The active lava within Pu‘u ‘Ō‘ō crater showing the two perched lava ponds.

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