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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 — Slow earthquake study relies on fast digital data

Volcano Watch — Slow earthquake study relies on fast digital data

Several weeks ago, we reported on the anticipated Kīlauea slow earthquake - a very interesting and recently recognized component of our volcano's...

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Volcano Watch — New report describes Yellowstone's volcanic and hydrothermal hazards

Volcano Watch — New report describes Yellowstone's volcanic and hydrothermal hazards

A major goal of the Yellowstone Volcano Observatory, when it was created in 2001, was a first-ever assessment of the hazards of Yellowstone's massive...

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Volcano Watch — Cooking rocks—Hawaiian-style and continental cuisine, with special recipes for volcanic disaster

Volcano Watch — Cooking rocks—Hawaiian-style and continental cuisine, with special recipes for volcanic disaster

Did you know that some scientists study volcanoes by melting and pressurizing lava in laboratories? In many universities around the world, you can...

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Volcano Watch — Aftershocks continue six months after Kiholo Bay earthquake

Volcano Watch — Aftershocks continue six months after Kiholo Bay earthquake

Last week marked the six-month anniversary of the October 15th Kiholo Bay and Mahukona earthquakes.

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Volcano Watch — Gravity drives the world around us

Volcano Watch — Gravity drives the world around us

Anyone who has ever slipped on a banana peel knows all too well the force of gravity. A fundamental force of nature, gravity is the attraction of one...

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Volcano Watch — Hey Booboo, Yellowstone Caldera Is No Cartoon Volcano!

Volcano Watch — Hey Booboo, Yellowstone Caldera Is No Cartoon Volcano!

Many island youngsters were first introduced to Yellowstone National Park through Yogi and Booboo bear, cartoon characters popular since their debut...

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Volcano Watch — HVO's role in the history of tsunami prediction in Hawaii?

Volcano Watch — HVO's role in the history of tsunami prediction in Hawaii?

April is Tsunami Awareness month, a reminder of Hawai`i’s most deadly tsunami, which killed 159 people on April 1, 1946. The tsunami was generated by...

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Volcano Watch — Oceans on an acid trip are cause for concern

Volcano Watch — Oceans on an acid trip are cause for concern

As island residents, our lives are intimately intertwined with the ocean, in more ways than just having a good day at the beach. And, those of us who...

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Volcano Watch — "Slow" earthquake expected this week on the Big Island

Volcano Watch — "Slow" earthquake expected this week on the Big Island

After the jolting wake-up call of October 15, 2006, most of us in the islands gained first-hand experience with what a large earthquake feels like.

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Volcano Watch — Wilkes Expedition Revisits Kīlauea

Volcano Watch — Wilkes Expedition Revisits Kīlauea

The U.S. Exploring Expedition returned to Kīlauea last week, in the form of a riveting "After Dark in the Park" program delivered by Herman Viola of...

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Volcano Watch — When Thunderstorms Get Down and Dirty

Volcano Watch — When Thunderstorms Get Down and Dirty

When we think about volcanology and meteorology, we usually put them in separate pigeonholes. At low emission rates, atmospheric pollutants produced...

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Volcano Watch — HVO's cat woman scratches her day job

Volcano Watch — HVO's cat woman scratches her day job

Extraordinary volcanic eruptions have a way of changing the lives of many people, including scientists and students who find themselves in the middle...

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