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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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Photo and Video Chronology - Kīlauea - September 2, 2003

Photo and Video Chronology - Kīlauea - September 2, 2003

Lava cascades and gas-piston drainback

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Photo and Video Chronology - Kīlauea - August 29, 2003

Photo and Video Chronology - Kīlauea - August 29, 2003

Verrrry layyyyzeeee Friday at southeast tip of Kohola

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Photo and Video Chronology - Kīlauea - August 28, 2003

Photo and Video Chronology - Kīlauea - August 28, 2003

Mostly a tumulus Thursday

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Volcano Watch — The 1840 Kīlauea eruption was big, spectacular, and made the Sand Hills

Volcano Watch — The 1840 Kīlauea eruption was big, spectacular, and made the Sand Hills

The 1840 eruption on Kīlauea's east rift zone was one of the most notable of the past 200 years. People reported a spectacle so awesome that "one...

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Photo and Video Chronology - Kīlauea - August 24, 2003

Photo and Video Chronology - Kīlauea - August 24, 2003

Sunrise and breakouts on a fine Sunday morning

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Photo and Video Chronology - Kīlauea - August 22, 2003

Photo and Video Chronology - Kīlauea - August 22, 2003

Scenes along still-active August 9 breakout

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Volcano Watch — New instrumentation on Mauna Loa's southwest rift zone

Volcano Watch — New instrumentation on Mauna Loa's southwest rift zone

Last week, Maurice Sako and Kevan Kamibayashi, physical science technicians from the Hawaiian Volcano Observatory, spent three cold nights high on...

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