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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 — A closer look at lava fountains

Volcano Watch — A closer look at lava fountains

Volcanology is an inexact science. At least, that is what we are always led to believe. Increased sophistication in measurement techniques however...

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Volcano Watch — Volcano Scientists Go to School to Learn How to Track Volcanic Ash

Volcano Watch — Volcano Scientists Go to School to Learn How to Track Volcanic Ash

Scientists from the U.S. Geological Survey's Volcano Hazards Team are enrolled in a class to learn how to use radar to track volcanic ash clouds....

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Volcano Watch — Which produces more CO2, volcanic or human activity?

Volcano Watch — Which produces more CO2, volcanic or human activity?

People who are fortunate enough to live in or visit Hawai`i, or even those who have seen the right television documentaries know that the majestic...

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Volcano Watch — Isaac Hale descendant has joined the staff at HVO

Volcano Watch — Isaac Hale descendant has joined the staff at HVO

Hawaiian tradition dictates that travelers chant their genealogies upon meeting to let everyone know where they came from, both literally and...

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Volcano Watch — Submarine eruptions-the damp side of Hawaiian volcanism

Volcano Watch — Submarine eruptions-the damp side of Hawaiian volcanism

A few months ago, this column carried an account of a submarine eruption near Tonga in August that produced substantial rafts of pumice. As the pumice...

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Volcano Watch — The San Francisco Volcanic Field-Arizona's Hotspot

Volcano Watch — The San Francisco Volcanic Field-Arizona's Hotspot

A "hotspot" is not just a place where you can surf the Web. A hotspot is also a long-lasting place on the earth where an unusual amount of heat...

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Volcano Watch — Hawai‘i earthquakes get a new manager

Volcano Watch — Hawai‘i earthquakes get a new manager

Seismologist Dave Wilson started work this week as the new manager of the HVO seismic monitoring network. He will take over the job vacated when...

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Volcano Watch — The Walls were Shaking, the Earth was Quaking

Volcano Watch — The Walls were Shaking, the Earth was Quaking

Everybody remembers the shaking.

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Volcano Watch — Two erupting volcanoes cause most harm in 2006

Volcano Watch — Two erupting volcanoes cause most harm in 2006

The eruption of Kīlauea entered into its 24th year this past week.

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Volcano Watch — Pu‘u ‘Ō‘ō wraps up 24th year of eruption

Volcano Watch — Pu‘u ‘Ō‘ō wraps up 24th year of eruption

January 3 will mark the 24th anniversary of Kīlauea's longest rift-zone eruption in the last 600 years, but some people still aren't impressed.

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Volcano Watch — HVO shares its research with the international scientific community

Volcano Watch — HVO shares its research with the international scientific community

Last week, six staff members of the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) braved holiday travel and chilly rain to participate...

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Volcano Watch — Season's greetings to El Nino 2006-2007

Volcano Watch — Season's greetings to El Nino 2006-2007

As the season's holidays rapidly approach, many keiki (children) in the islands are eagerly awaiting the arrival of Jolly Saint Nick. However, it is...

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