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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.

Filter Total Items: 1817
Volcano Watch — How does HVO watch the eruption?

Volcano Watch — How does HVO watch the eruption?

Kīlauea's eruption is 24/7; it needs no sleep, takes no days off, and cares not if rain is falling in buckets. HVO's staff is not 24/7; it needs sleep...

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Volcano Watch — Scientists Meet to Discuss Hazardous California Volcano

Volcano Watch — Scientists Meet to Discuss Hazardous California Volcano

Two weeks ago, scientists from around the world came together to discuss past and future research on an important, but little known, volcano. Long...

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Volcano Watch — Can we predict the next "big" one?

Volcano Watch — Can we predict the next "big" one?

On November 29, 1975, the latest magnitude-7 earthquake in Hawai`i struck near Kalapana, causing a tsunami that killed two campers at Halape and...

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Volcano Watch — Kamehameha V comes to the rescue in 1868

Volcano Watch — Kamehameha V comes to the rescue in 1868

We're accustomed to seeing news stories about natural disasters around the world where either national or international aid agencies come to the...

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Volcano Watch — Earth's spinning core provides magnetic protection and disaster movie material

Volcano Watch — Earth's spinning core provides magnetic protection and disaster movie material

A recent Hollywood disaster movie depicts a scenario in which the earth's magnetic core has stopped spinning, causing the planet's electromagnetic...

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Volcano Watch — Continent dwellers take colorful rocks for granite

Volcano Watch — Continent dwellers take colorful rocks for granite

A recent Hollywood disaster movie depicts a scenario in which the earth's Geologists on the Big Island know that they are among the privileged few in...

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Volcano Watch — Mixing magma on Kīlauea's east rift zone

Volcano Watch — Mixing magma on Kīlauea's east rift zone

Good red wine improves with age. So, often, does research. With time, more information is gathered, more thought given, and more sophisticated...

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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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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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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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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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