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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 — Revolution in thinking about Kīlauea's explosions comes to HVO: Part 1

Volcano Watch — Revolution in thinking about Kīlauea's explosions comes to HVO: Part 1

The past five years, especially the past 18 months, have seen profound changes in the way HVO scientists view Kīlauea's explosive potential.

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USGS HVO Press Release — Magnitude-4.7 Earthquake Occurs near Lō‘ihi Seamount

USGS HVO Press Release — Magnitude-4.7 Earthquake Occurs near Lō‘ihi Seamount

An earthquake of magnitude-4.7 (preliminary) was recorded by the U.S. Geological Survey's Hawaiian Volcano Observatory on January 18 at 4:05 p.m. HST...

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Volcano Watch — 2005: Another relatively quiet year for Hawaiian earthquakes

Volcano Watch — 2005: Another relatively quiet year for Hawaiian earthquakes

It has become somewhat of a New Year's habit, in a January Volcano Watch report prepared by the U. S. Geological Survey's Hawaiian Volcano Observatory...

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Photo and Video Chronology - Kīlauea - January 6, 2006

Photo and Video Chronology - Kīlauea - January 6, 2006

East Lae`apuki lava delta and Petunia skylight

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Volcano Watch — Volcanic ash was main danger from eruptions in 2005

Volcano Watch — Volcanic ash was main danger from eruptions in 2005

As we enter the New Year with the eruption of Kīlauea Volcano still going strong after 23 years, it is important to remember the world's other...

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Photo and Video Chronology - Kīlauea - December 29, 2005

Photo and Video Chronology - Kīlauea - December 29, 2005

East Lae`apuki and MLK vent area

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Volcano Watch — Kīlauea's Pu`u `O`o eruption: 2005 highlights

Volcano Watch — Kīlauea's Pu`u `O`o eruption: 2005 highlights

Many eruptions are brief affairs. The volcano wakes up, erupts for a few days to a few months, then goes back to sleep. When the Pu`u `O`o eruption...

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Photo and Video Chronology - Kīlauea - December 22, 2005

Photo and Video Chronology - Kīlauea - December 22, 2005

East Lae`apuki and Pu`u `O`o area

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Volcano Watch — How'd you like to spend Christmas on Christmas Island?

Volcano Watch — How'd you like to spend Christmas on Christmas Island?

If you ever do spend Christmas on that South Pacific island, make sure Santa knows where to land his canoe of presents for you, as there are actually...

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Photo and Video Chronology - Kīlauea - December 16, 2005

Photo and Video Chronology - Kīlauea - December 16, 2005

Growing lava delta and collapsing Pu`u `O`o

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Volcano Watch — Dr. George Walker studied nearly every aspect of volcanoes

Volcano Watch — Dr. George Walker studied nearly every aspect of volcanoes

Last week, Earth Scientists from all over the world gathered for the annual American Geophysical Union fall meeting in San Francisco. Researchers...

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Volcano Watch — Frozen in time: ice and snow yield secrets from the past

Volcano Watch — Frozen in time: ice and snow yield secrets from the past

Hawai`i Island residents and visitors eagerly awaiting the season's first snowfall were rewarded this past week. By Wednesday morning, a light dusting...

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