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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 — Measuring how volcanoes move

Volcano Watch — Measuring how volcanoes move

The ground around an active volcano swells, deflates, or shifts as magma moves in and out of the volcano's underground plumbing system. The...

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Volcano Watch — Earthquake preparedness

Volcano Watch — Earthquake preparedness

Hawaii is a land of rugged beauty and untamed natural forces swathed in a beguiling gentleness that is unmatched anywhere else on Earth.
 

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Volcano Watch — Metis Shoal, Tonga

Volcano Watch — Metis Shoal, Tonga

The formation of new islands invariably sparks the imagination. On June 6th a submarine eruption began at Metis Shoal in the Tonga Islands. A passing...

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Volcano Watch — Sea level and surf

Volcano Watch — Sea level and surf

On Monday and Tuesday of this past week, large waves generated by a storm near New Zealand caused considerable damage on the west coast of Hawai'i...

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Volcano Watch — Recent Big Island earthquakes

Volcano Watch — Recent Big Island earthquakes

Hawaii is seismically very active. During a typical month, there are invariably several earthquakes that are large enough to be felt. This past month...

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Volcano Watch — Pu‘u ‘Ō‘ō

Volcano Watch — Pu‘u ‘Ō‘ō

The eruption along Kīlauea's East Rift Zone continues with little change. Lava from two vents on the south and west sides of the Pu'u 'O'o cone is...

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Volcano Watch —Lava flow hazard map revisited

Volcano Watch —Lava flow hazard map revisited

Maps showing volcanic hazard zones for the Big Island were first prepared in 1974 by the U.S. Geological Survey.

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Volcano Watch — Risk management

Volcano Watch — Risk management

The main function of the U.S. Geological Survey's Hawaiian Volcano Observatory is to reduce the risk from volcanic activity.
 

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Volcano Watch — Kīlauea: Explosive eruptions

Volcano Watch — Kīlauea: Explosive eruptions

The current eruption along Kīlauea's East Rift Zone continues with passive effusion of lava. The lava is transported underground to the coast along...

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Volcano Watch — Kīlauea's south flank seismicity

Volcano Watch — Kīlauea's south flank seismicity

Sitting at lunch on Wednesday, many residents of the island of Hawaii might have thought that someone or something had kicked their chairs. Of course...

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Volcano Watch — Kīlauea lava flow status as of April 30, 1995

Volcano Watch — Kīlauea lava flow status as of April 30, 1995

The 12-year-long eruption on Kīlauea's east rift zone continues, with vents on the southwestern flank of the Pu`u `O`o cone feeding directly into lava...

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Volcano Watch — Fogo Volcano, Cape Verde Islands

Volcano Watch — Fogo Volcano, Cape Verde Islands

A team of volcanologists from the U.S. Geological Survey has been monitoring an eruption that began just after midnight on April 3 on Fogo in the Cape...

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