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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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Photo and Video Chronology - Kīlauea - October 10, 2003

Photo and Video Chronology - Kīlauea - October 10, 2003

New features on a rainy day

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Volcano Watch — Earth's spinning core provides magnetic protection and disaster movie material

Volcano Watch — Earth's spinning core provides magnetic protection and disaster movie material

A recent Hollywood disaster movie depicts a scenario in which the earth's magnetic core has stopped spinning, causing the planet's electromagnetic...

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Photo and Video Chronology - Kīlauea - October 3, 2003

Photo and Video Chronology - Kīlauea - October 3, 2003

Lava spattering from the west vent in West Gap Pit of Pu‘u ‘Ō‘ō, Hawai‘i.

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Photo and Video Chronology - Kīlauea - October 3, 2003

Photo and Video Chronology - Kīlauea - October 3, 2003

Lava has filled West Gap Pit

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Volcano Watch — Continent dwellers take colorful rocks for granite

Volcano Watch — Continent dwellers take colorful rocks for granite

A recent Hollywood disaster movie depicts a scenario in which the earth's Geologists on the Big Island know that they are among the privileged few in...

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Volcano Watch — Mixing magma on Kīlauea's east rift zone

Volcano Watch — Mixing magma on Kīlauea's east rift zone

Good red wine improves with age. So, often, does research. With time, more information is gathered, more thought given, and more sophisticated...

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Photo and Video Chronology - Kīlauea - September 19, 2003

Photo and Video Chronology - Kīlauea - September 19, 2003

Breakouts continue on the flow field

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Volcano Watch — Volcanic hazards assessment and monitoring continue at Anatahan, Northern Marianas Islands

Volcano Watch — Volcanic hazards assessment and monitoring continue at Anatahan, Northern Marianas Islands

On May 10, 2003, Anatahan Volcano in the Northern Marianas Islands awoke for the first time in reported history and sent eruption cloud to heights...

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Photo and Video Chronology - Kīlauea - September 13, 2003

Photo and Video Chronology - Kīlauea - September 13, 2003

Lava on coastal flat

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Photo and Video Chronology - Kīlauea - September 12, 2003

Photo and Video Chronology - Kīlauea - September 12, 2003

Lava drains back into the East Pond Vent, Pu‘u ‘Ō‘ō, Hawai‘i.

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Volcano Watch — Thermal Activity in Yellowstone Sparks Increased Monitoring

Volcano Watch — Thermal Activity in Yellowstone Sparks Increased Monitoring

Norris Geyser Basin of Yellowstone National Park has long been recognized as the hottest and most changeable of Yellowstone's famous hydrothermal...

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Volcano Watch — Does lava erupted from Kīlauea leave a hole deep underground?

Volcano Watch — Does lava erupted from Kīlauea leave a hole deep underground?

Kīlauea has erupted about 0.13 cubic kilometers (170 million cubic yards) of lava yearly for more than 20 years. That's enough to fill almost 2 1/2...

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