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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 — Kīlauea's current eruption is a natural laboratory for volcanologists

Volcano Watch — Kīlauea's current eruption is a natural laboratory for volcanologists

Welcome to the 4th annual Volcano Awareness month!

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Volcano Watch — Kīlauea's ongoing Pu‘u ‘Ō‘ō eruption turns 30

Volcano Watch — Kīlauea's ongoing Pu‘u ‘Ō‘ō eruption turns 30

January 3, 2013, marks the 30th anniversary of Kīlauea's ongoing Pu‘u ‘Ō‘ō eruption. Simplifying the past three decades into a single short article...

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Volcano Watch — The Kīlauea Visit that was a Prelude to Revolution

Volcano Watch — The Kīlauea Visit that was a Prelude to Revolution

To the scientists who monitor the Pu‘u ‘Ō‘ō crater, the scene in this photo seems familiar. A rising lava lake forms a symmetrical, perched lava pond...

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Volcano Watch — A holiday visit to exotic El Chichón volcano

Volcano Watch — A holiday visit to exotic El Chichón volcano

'Tis the season for holiday travel, & in this week's Volcano Watch, we will visit El Chichón Volcano, in Chiapas, Mexico. While there are some notable...

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Volcano Watch — Kīlauea's past doesn’t lie: what happened once can happen again

Volcano Watch — Kīlauea's past doesn’t lie: what happened once can happen again

It is natural for most people, including scientists, to think that the aim of a volcano observatory is to observe and measure ongoing activity...

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Volcano Watch — Jaggar achieves significant science in HVO's first year but at great personal cost

Volcano Watch — Jaggar achieves significant science in HVO's first year but at great personal cost

After years of fund-raising, Thomas Jaggar, Jr., finally got the Hawaiian Volcano Observatory (HVO) up and running at Kīlauea Volcano in January 1912...

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Volcano Watch — As HVO's centennial year ends, a New Year of volcanic milestones begins

Volcano Watch — As HVO's centennial year ends, a New Year of volcanic milestones begins

Although Kīlauea's eruptive activity has been relatively uneventful the past 11 months, the consensus at the Hawaiian Volcano Observatory (HVO) is...

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Volcano Watch — What happens when the earthquake "lights" go out?

Volcano Watch — What happens when the earthquake "lights" go out?

As we enter the 2012 holiday season, Kīlauea Volcano's continuing eruptions in Halema‘uma‘u at the summit and at Pu‘u ‘Ō‘ō on the middle east rift...

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Volcano Watch — What can we learn from the lava level in Halema‘uma‘u?

Volcano Watch — What can we learn from the lava level in Halema‘uma‘u?

Considering the recent activity in Halema‘uma‘u Crater, just how reliable is its lava-lake level for judging the potential of an upcoming eruptive...

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Volcano Watch — Is Kīlauea quieting down or just taking a break?

Volcano Watch — Is Kīlauea quieting down or just taking a break?

The last month was busy at the Hawaiian Volcano Observatory, with scientists keeping a keen eye on monitoring data and preparing for a possible change...

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Volcano Watch — Kīlauea’s inflation means we might see more lava soon…

Volcano Watch — Kīlauea’s inflation means we might see more lava soon…

Last week we discussed the change in seismicity that has occurred at Kīlauea.

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Volcano Watch — Kīlauea has the shakes—Up and down the rift

Volcano Watch — Kīlauea has the shakes—Up and down the rift

Astute watchers of recent earthquake activity at Kīlauea have noticed a marked increase of earthquakes, both within the summit caldera and in a...

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