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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 — Speculations about when Kīlauea's caldera formed

Volcano Watch — Speculations about when Kīlauea's caldera formed

Scientific concepts are often thought to result from thinking about hard facts. Speculation is sometimes considered out of bounds for scientists.

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Photo and Video Chronology - Kilauea - February 4, 1998

Photo and Video Chronology - Kilauea - February 4, 1998

In the aftermath of a surge. Surge of magma from Kilauea's summit downrift to Pu`u `O`o on January 14; Kilauea Volcano's east rift zone only now...

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Volcano Watch — Volcano activity "weather" reports

Volcano Watch — Volcano activity "weather" reports

Hawaiian volcanoes provide scientists a natural laboratory to study events that precede an eruption. The Hawaiian Volcano Observatory, in cooperation...

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Volcano Watch — Looking into the volcano

Volcano Watch — Looking into the volcano

As volcano watchers in Hawaii, we are often rewarded with spectacular images of eruptions taking place in our own back yard.

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Photo and Video Chronology - Kīlauea - January 17, 1998

Photo and Video Chronology - Kīlauea - January 17, 1998

Hot time on the flow field that night

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Volcano Watch — Volcanoes make headlines!

Volcano Watch — Volcanoes make headlines!

Kīlauea made the headlines once again last week with the threat of a summit eruption and a brief surge in activity that sent lava flows coursing down...

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

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

Aerial observations this morning show that no subdivision or road is threatened by the new lava flows.

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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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