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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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Photo and Video Chronology - Kīlauea - December 17, 1997

Photo and Video Chronology - Kīlauea - December 17, 1997

New deep dimple: funnel-shaped crater grows on Pu`u `O`o south flank

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Volcano Watch — Vents that roar

Volcano Watch — Vents that roar

During the past two weeks, many people have heard roaring noises from the area of Pu`u `O`o, the prominently fuming cinder-and-spatter cone 12 km...

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Volcano Watch — Communication is the name of the game

Volcano Watch — Communication is the name of the game

Five HVO scientists are in San Francisco this week, attending the fall meeting of the American Geophysical Union.

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Photo and Video Chronology - Kīlauea - December 2, 1997

Photo and Video Chronology - Kīlauea - December 2, 1997

Kilauea Volcano's east rift zone eruption continues: most lava travels through tubes from the vent area to the coast

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Volcano Watch — Lava diversion in Hawai‘i?

Volcano Watch — Lava diversion in Hawai‘i?

November has been a busy month historically for eruptions as well as earthquakes. Six historical eruptions have started in November on Kīlauea (1930...

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Volcano Watch — November earthquakes

Volcano Watch — November earthquakes

November is a month that always makes HVO seismologist Jennifer Nakata a little nervous. Nakata says her discomfort surfaces about this time each year...

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Photo and Video Chronology - Kīlauea - November 18, 1997

Photo and Video Chronology - Kīlauea - November 18, 1997

Kilauea Volcano's east rift zone eruption continues: most lava travels through tubes from the vent area to the coast

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Volcano Watch — Lava tubes cool slowly

Volcano Watch — Lava tubes cool slowly

If the flow of lava in a tube ceased, how long would it take for the tube to cool? Does the temperature in a newly emptied tube drop by an equal...

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Volcano Watch — Worrying realistically

Volcano Watch — Worrying realistically

Whether the issue is big, little, real, or imagined, we all worry. Most of us would agree, though, that it is better to worry about things we can do...

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Photo and Video Chronology - Kīlauea - November 3, 1997

Photo and Video Chronology - Kīlauea - November 3, 1997

Kilauea Volcano's east rift zone eruption continues in a regular pattern, with most lava traveling through tubes from the vent area to the coast

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USGS HVO Press Release — Dr. Mark Scheafer, USGS Interim Director

USGS HVO Press Release — Dr. Mark Scheafer, USGS Interim Director

Dr. Mark Schaefer, Interim Director of the USGS and Deputy Assistant Secretary of the Interior for Water and Science, will meet and address USGS...

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Volcano Watch — How does pahoehoe flow?

Volcano Watch — How does pahoehoe flow?

How do pahoehoe lavas flow? Over the years, many scientists have watched and measured active lava flows, and now we have a pretty good idea of the...

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