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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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USGS HVO Press Release — Brief Surge of Activity at Kīlauea Volcano

USGS HVO Press Release — Brief Surge of Activity at Kīlauea Volcano

The summit of Kīlauea began to inflate rapidly at about 6:20 p.m. yesterday evening. By 8:30 p.m., more than 8 microradians of tilt had been recorded...

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Photo and Video Chronology - Kilauea - January 14, 1998

Photo and Video Chronology - Kilauea - January 14, 1998

January 14--Hot time on the flow field that night

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Volcano Watch — What in the world is the Hilo Ridge?

Volcano Watch — What in the world is the Hilo Ridge?

Okay, all you Big Island residents, where is the Hilo Ridge? It stands nearly 3,000 m (10,000 ft) above its surroundings, is more than 50 km (30 mi)...

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Volcano Watch — Eruption at Pu‘u ‘Ō‘ō marks 15th anniversary

Volcano Watch — Eruption at Pu‘u ‘Ō‘ō marks 15th anniversary

Saturday marked the 15th anniversary of the Pu‘u ‘Ō‘ō-Kupaianaha eruption on the east rift zone of Kīlauea Volcano. This is the longest lived rift...

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Photo and Video Chronology - Kīlauea - December 31, 1997

Photo and Video Chronology - Kīlauea - December 31, 1997

Pu`u `O`o celebrates its 15-year annniversary on January 3, 1988

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Volcano Watch — Long Valley: Another hotspot

Volcano Watch — Long Valley: Another hotspot

Last week at the annual fall meeting of the American Geophysical Union, a special informational session was held to discuss the recent increased...

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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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