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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 — Why monitor volcanoes of the Commonwealth of Northern Mariana Islands?

Volcano Watch — Why monitor volcanoes of the Commonwealth of Northern Mariana Islands?

As if to remind us that active volcanoes are in the region, a billowing column of volcanic gases has been spewing from Anatahan Volcano in the...

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Volcano Watch — What did kill those bears and bison at Yellowstone?

Volcano Watch — What did kill those bears and bison at Yellowstone?

On a clear summer day in 1897, a newly-minted Harvard Ph.D. geologist led a field party into a remote hot springs area of what is now Yellowstone...

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Volcano Watch — Indonesia pays heavy price for proximity to plate boundary

Volcano Watch — Indonesia pays heavy price for proximity to plate boundary

Merapi volcano, on the island of Java, began to make headlines in late March, when increasing seismicity led the Volcanological Survey of Indonesia...

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Photo and Video Chronology - Kīlauea - June 3, 2006

Photo and Video Chronology - Kīlauea - June 3, 2006

Gas pistons within the Drainhole vent at Pu‘u ‘Ō‘ō.

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Photo and Video Chronology - Kīlauea - June 2, 2006

Photo and Video Chronology - Kīlauea - June 2, 2006

Gas pistons within the Drainhole vent at Pu‘u ‘Ō‘ō.

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Volcano Watch — He's back! Thomas Jaggar returns to the Whitney Vault

Volcano Watch — He's back! Thomas Jaggar returns to the Whitney Vault

Thomas Jaggar, the scientist who founded the Hawaiian Volcano Observatory (HVO), is again enthralling visitors to Hawai`i Volcanoes National Park with...

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Photo and Video Chronology - Kīlauea - May 29, 2006

Photo and Video Chronology - Kīlauea - May 29, 2006

Lava tube bubble bursts on the East Lae‘apuki lava delta.

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Volcano Watch — HVO intern increases understanding of deformation at Kīlauea Volcano

Volcano Watch — HVO intern increases understanding of deformation at Kīlauea Volcano

Last week you read about the contributions made by Ben Haravitch, a student from Cornell University (Ithaca, NY), who worked at HVO for the internship...

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Volcano Watch — Student discovers new facts about 200-yr old explosions of Kīlauea

Volcano Watch — Student discovers new facts about 200-yr old explosions of Kīlauea

A two-part Volcano Watch in late January presented evidence for large explosions from Kīlauea. Ash rose into, or even above, the jet stream and was...

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Volcano Watch — HVO Computer Specialist Wilfred Tanigawa Retires after 27 Years

Volcano Watch — HVO Computer Specialist Wilfred Tanigawa Retires after 27 Years

Numerous news reports have drawn attention to the impending transition in the Federal workforce. An estimated 60 percent of the Federal civilian...

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Volcano Watch — East Lae`apuki: The bench that keeps on giving

Volcano Watch — East Lae`apuki: The bench that keeps on giving

Last November, 13.8 hectares (34 acres) of newly formed land and 4 hectares (10 acres) of former coastline at East Lae`apuki plunged into the ocean...

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Volcano Watch — These rock hounds collect and analyze the "hot stuff"

Volcano Watch — These rock hounds collect and analyze the "hot stuff"

Among the scientists who study volcanoes, the petrologists are the ones who do detailed studies of the "hot stuff" in order to understand the behavior...

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