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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 — Here's the dirty truth about mud volcanoes

Volcano Watch — Here's the dirty truth about mud volcanoes

As residents of Hawai`i, we are, for the most part, acutely aware of volcanic processes and products. This is especially true for those of us living...

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Photo and Video Chronology - Kīlauea - October 7, 2005

Photo and Video Chronology - Kīlauea - October 7, 2005

Sampling lava and Pu`u `O`o

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Volcano Watch — What can Gulf Coast hurricanes teach us about volcanoes?

Volcano Watch — What can Gulf Coast hurricanes teach us about volcanoes?

Like much of the world, HVOers have been following the events surrounding hurricanes Katrina and Rita in the past months. Extreme phenomena like...

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Volcano Watch — Pu`u `O`o crater quietly fumes--for now

Volcano Watch — Pu`u `O`o crater quietly fumes--for now

By day, the six vents arrayed across the crater floor of Pu`u `O`o emit copious clouds of steam and magmatic gas. Darkness reveals that many of them...

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Photo and Video Chronology - Kīlauea - September 23, 2005

Photo and Video Chronology - Kīlauea - September 23, 2005

Skylight and spatter

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Volcano Watch — Mount St. Helens: One year and counting

Volcano Watch — Mount St. Helens: One year and counting

Almost exactly one year ago today, the first signs of reawakening were detected at Mount St. Helens in Washington. On September 23, 2004, a small...

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Photo and Video Chronology - Kīlauea - September 16, 2005

Photo and Video Chronology - Kīlauea - September 16, 2005

Pu`u `O`o's crater and East Lae`apuki lava delta

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Volcano Watch — Dallas Peck: former HVO geologist and master gardener

Volcano Watch — Dallas Peck: former HVO geologist and master gardener

Dallas Peck, one of the finest geologists to have matriculated at the Hawaiʻian Volcano Observatory, died August 21 in Fairfax, Virginia, at the age...

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Volcano Watch — HVO and NOAA are Pacific Tsunami Monitoring Partner

Volcano Watch — HVO and NOAA are Pacific Tsunami Monitoring Partner

Recent reports in the local news media mention significant supplemental funding for the National Oceanic and Atmospheric Administration (NOAA) to...

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Photo and Video Chronology - Kīlauea - September 2, 2005

Photo and Video Chronology - Kīlauea - September 2, 2005

East Pond Vent and East Lae`apuki lava delta

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Volcano Watch — Mount St. Helens still erupting as anniversary approaches

Volcano Watch — Mount St. Helens still erupting as anniversary approaches

After 18 years of relative quiet between 1987 and 2004, Mount St. Helens volcano began erupting again nearly one year ago with a small but spectacular...

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Photo and Video Chronology - Kīlauea - August 26, 2005

Photo and Video Chronology - Kīlauea - August 26, 2005

Photos of a waterspout and a bursting lava bubble.

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