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Volcano Watch

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. 

Filter Total Items: 1780
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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Volcano Watch — Summertime along the Wailuku River - cool water, cool geology

Volcano Watch — Summertime along the Wailuku River - cool water, cool geology

On hot summer days in Hilo, many people visit the refreshing waters of the Wailuku River. In addition to offering scenic views, lush vegetation, and...

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Volcano Watch — A stone ice cream cone at the 1969 fissure along Chain of Craters Road

Volcano Watch — A stone ice cream cone at the 1969 fissure along Chain of Craters Road

An eruption on May 24, 1969, created a wonderful but underappreciated visitor attraction in Hawai`i Volcanoes National Park, accessible to almost...

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Volcano Watch — The age of youngest volcanic rocks varies greatly among the Hawaiian Islands

Volcano Watch — The age of youngest volcanic rocks varies greatly among the Hawaiian Islands

It's an easy question to answer, "how old is the youngest volcanic rock on the Big Island?" With Kīlauea in virtually continuous eruption, the...

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Volcano Watch — Awareness does not necessarily mean preparedness

Volcano Watch — Awareness does not necessarily mean preparedness

It was heartening to see several delegates at last week's Cities on Volcanoes 3 (COV3) conference who were former students of the Center for the Study...

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Volcano Watch — When ash flows like a fluid

Volcano Watch — When ash flows like a fluid

In response to the reawakening of Anatahan Volcano on May 10, seismologists installed a seismometer on the island on May 20. They returned on June 6...

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Volcano Watch — Cities on Volcanoes 3-an international conference with evening programs for the public

Volcano Watch — Cities on Volcanoes 3-an international conference with evening programs for the public

Many volcanoes are attractive places to live. Good soil, sweeping views, rugged beauty-all these features lure us to volcanic settings. Auckland and...

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Volcano Watch — Cooperative training by University of Hawai`i and Hawaiian Volcano Observatory

Volcano Watch — Cooperative training by University of Hawai`i and Hawaiian Volcano Observatory

This week the Hawaiian Volcano Observatory is cooperating with the University of Hawai`i to conduct a workshop in volcanology for graduate students...

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Volcano Watch — The Anatahan eruption: what might happen down the road

Volcano Watch — The Anatahan eruption: what might happen down the road

The eruption of Anatahan Volcano in the Commonwealth of the Northern Mariana Islands (CNMI) continues. It has generated much interest in the...

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Volcano Watch — Impermeable beds trap rain and snow at Mauna Kea's Lake Waiau

Volcano Watch — Impermeable beds trap rain and snow at Mauna Kea's Lake Waiau

Lake Waiau, at an altitude of 3,969 m (13,020 ft) atop Mauna Kea, is the only alpine lake in the Hawaiian island chain. It is thought to have formed...

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Volcano Watch — Carbon dioxide in Kīlauea's tiny bubbles makes the champagne's punch

Volcano Watch — Carbon dioxide in Kīlauea's tiny bubbles makes the champagne's punch

For the past couple of weeks, Kīlauea had presented us with a flurry of tiny earthquakes located at a shallow depth beneath the volcano's summit. The...

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