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Volcano Watch

By Hawaiian Volcano Observatory

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

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Filter Total Items: 1680
Volcano Watch — From a mountain to a hole-in-the-ground in 3 hours

Volcano Watch — From a mountain to a hole-in-the-ground in 3 hours

People tend to remember the dates of important events in their lives. In addition to anniversaries and birth dates, volcanologists remember the dates...

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Volcano Watch — Don't daydream in low-lying places in Kīlauea caldera

Volcano Watch — Don't daydream in low-lying places in Kīlauea caldera

Nothing is more beautiful than Kīlauea caldera on a clear, crisp day. Steam escapes from a few spots inside and outside, and koa`e kea birds ride the...

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Volcano Watch — A spicy Kīlauea

Volcano Watch — A spicy Kīlauea

Want to see a spicy Kīlauea? Here's how.

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Volcano Watch — 25 years later, what have we learned from Mount St. Helens?

Volcano Watch — 25 years later, what have we learned from Mount St. Helens?

This week marks the 25th anniversary of the May 18, 1980, eruption of Mount St. Helens. At 8:32 a.m. that Sunday morning, a magnitude-5.1 earthquake...

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Volcano Watch — New assessment of U.S. volcano threats points to needed monitoring improvements

Volcano Watch — New assessment of U.S. volcano threats points to needed monitoring improvements

News stories have appeared widely in the past week spotlighting the "most dangerous" volcanoes in the United States, including a few in our backyard.

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Volcano Watch — Supersized eruptions are all the rage!

Volcano Watch — Supersized eruptions are all the rage!

Last week, several HVO scientists were accompanied to Pu`u `O`o by a film crew producing a NOVA program for PBS. The producer was interested in the...

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Volcano Watch — Radar Specialist joins Hawaiʻian Volcano Observatory Staff

Volcano Watch — Radar Specialist joins Hawaiʻian Volcano Observatory Staff

We welcome to our staff at the U.S. Geological Survey's Hawaiʻian Volcano Observatory our newest volcano watcher, Dr. Michael Poland.

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Volcano Watch — You can see history in the landscape of Kaua`i?

Volcano Watch — You can see history in the landscape of Kaua`i?

Kaua`i's spectacular scenery makes it a top destination for tourists from all over the world. It has been the backdrop of choice for many popular...

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Volcano Watch — Native `ohi`a lehua tree closes its pores to volcanic pollution

Volcano Watch — Native `ohi`a lehua tree closes its pores to volcanic pollution

The past week marked the celebration of the 42nd annual Merrie Monarch Festival on the island of Hawai`i. Throughout the seven-day cultural event...

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Volcano Watch — Mauna Loa signals a change as Spring arrives

Volcano Watch — Mauna Loa signals a change as Spring arrives

Each week since October 2002, seismologists at the U.S. Geological Survey's Hawaiʻian Volcano Observatory (HVO) have provided brief synopses of the...

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Volcano Watch — Scientists can now detect changes in a volcano's shape from space

Volcano Watch — Scientists can now detect changes in a volcano's shape from space

Volcano monitoring utilizes a wide range of methods, including the composition and emission rate of gases, earthquake activity, and ground deformation...

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Volcano Watch — How long will the current eruption last?

Volcano Watch — How long will the current eruption last?

The current eruption at Kīlauea is 22 years old and counting. Residents in the down-wind direction have probably become tired of the vog and would...

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