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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 — What does it take to become a volcanologist?

Volcano Watch — What does it take to become a volcanologist?

Staff members at the U.S. Geological Survey's volcano observatories frequently receive requests for career guidance from aspiring volcanologists...

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Volcano Watch — Kīlauea's newest fissure eruption forming perched lava ponds

Volcano Watch — Kīlauea's newest fissure eruption forming perched lava ponds

If you've been keeping up with the on-line eruption updates from the Hawaiian Volcano Observatory, then you know that there's something peculiar that...

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Volcano Watch — Volcanic selenium and sulfur - a delicate balance

Volcano Watch — Volcanic selenium and sulfur - a delicate balance

A stroll through any local health food store will reveal dozens of vitamin and mineral supplements lining the shelves. An alert shopper perusing...

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Volcano Watch — Kīlauea's School of Magma and Motion trumps Hogwarts?

Volcano Watch — Kīlauea's School of Magma and Motion trumps Hogwarts?

For the Harry Potter fans of the world, the stroke of midnight on July 21 was a momentous event. The final episode of J.K. Rowling's tale centered on...

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Volcano Watch — Kīlauea update: An eruptive sequel with a new twist?

Volcano Watch — Kīlauea update: An eruptive sequel with a new twist?

Volcano watchers, like recent movie-goers, are enjoying another summer sequel. Amidst new renditions of popular flicks like Spiderman, Pirates, Harry...

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Volcano Watch — "It's like déjà vu all over again!"

Volcano Watch — "It's like déjà vu all over again!"

Many people are watching the filling of Pu`u `O`o crater live via a webcam on the rim. Since July 4, traffic to our web site has quadrupled, and we...

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Volcano Watch — Lava back in the Pu‘u ‘Ō‘ō crater as scientists mull over Kīlauea's future

Volcano Watch — Lava back in the Pu‘u ‘Ō‘ō crater as scientists mull over Kīlauea's future

The answer to the question asked by Hawai`i's residents and volcano enthusiasts since June 19—where is Kīlauea going to erupt next—is clear, now that...

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Volcano Watch — Magma, magma, who's got the magma?

Volcano Watch — Magma, magma, who's got the magma?

Last week's Volcano Watch described HVO's most recent and exciting challenge: to figure out what might happen next with Kīlauea's marked change in...

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Volcano Watch — What do Father's Day and volcanic rift zones have in common?

Volcano Watch — What do Father's Day and volcanic rift zones have in common?

The rift zones of Hawaiian volcanoes are long strips 1-2 miles wide in which eruptions can occur. They radiate from the volcanic summits, where...

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Volcano Watch — Idaho's Craters of the Moon shares similar traits with Kīlauea

Volcano Watch — Idaho's Craters of the Moon shares similar traits with Kīlauea

One of the most fascinating things about living on, or visiting, the Big Island is our proximity to active volcanoes and the wide variety of...

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Volcano Watch — High Chief Keli`ikuku's pride devastated by unusually long Kīlauea eruption

Volcano Watch — High Chief Keli`ikuku's pride devastated by unusually long Kīlauea eruption

In the mid-19th century, Kona chief Kanuha told French explorer Jules Remy the story of Keli`ikuku, an ancient high chief of Puna.

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Volcano Watch — Recent Mauna Loa "prediction" does not change HVO assessment

Volcano Watch — Recent Mauna Loa "prediction" does not change HVO assessment

A few weeks ago, each of the local newspapers carried a story about a study, released in the journal Science, predicting that the next Mauna Loa...

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