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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 — Can an event like the SR530 landslide near Oso, Washington, happen in Hawai‘i?

Volcano Watch — Can an event like the SR530 landslide near Oso, Washington, happen in Hawai‘i?

Landslides are hazards in areas where slopes are steep. The degree of the hazard depends on the type of rocks that make up the slope. Large landslides...

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Volcano Watch — Kīlauea was jumping and rocks were flying 90 years ago

Volcano Watch — Kīlauea was jumping and rocks were flying 90 years ago

Ninety years ago this month, Kīlauea was exploding.

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Photo and Video Chronology - Kīlauea - May 5, 2014

Photo and Video Chronology - Kīlauea - May 5, 2014

New camera position on Pu‘u ‘Ō‘ō; The active front of the Kahauale‘a 2 flow

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Volcano Watch — A new submarine eruption in the Northern Mariana Islands: could it happen here?

Volcano Watch — A new submarine eruption in the Northern Mariana Islands: could it happen here?

During the past week, we have been keeping a close watch on the Northern Mariana Islands (NMI), as seismometers on the islands record high levels of...

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Photo and Video Chronology - Kīlauea - April 28, 2014

Photo and Video Chronology - Kīlauea - April 28, 2014

Lava overflows Pu‘u ‘Ō‘ō crater, Kahauale‘a 2 flow remains active

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Volcano Watch — Kīlauea Volcano's Kahauale‘a 2 lava flow: Should Puna residents be concerned?

Volcano Watch — Kīlauea Volcano's Kahauale‘a 2 lava flow: Should Puna residents be concerned?

The Kahauale‘a 2 lava flow, fed by a vent on the northeast edge of the Pu‘u ‘Ō‘ō crater, is currently the only active flow along Kīlauea Volcano's...

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Photo and Video Chronology - Kīlauea - April 18, 2014

Photo and Video Chronology - Kīlauea - April 18, 2014

Kahauale‘a 2 flow moving slowly through remote forest, spattering at Pu‘u ‘Ō‘ō

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Volcano Watch — Portable instrument platforms enable rapid deployment of monitoring stations

Volcano Watch — Portable instrument platforms enable rapid deployment of monitoring stations

When Mount St. Helens reawakened in late September 2004 with an intense swarm of earthquakes and very noticeable uplift of the volcano's crater floor...

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Volcano Watch — April 2014: Commemorating—and then monitoring—tsunami

Volcano Watch — April 2014: Commemorating—and then monitoring—tsunami

April is again Tsunami Awareness Month in the State of Hawaii. As in previous years, groups across the state are conducting exercises and other...

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Photo and Video Chronology - Kīlauea - April 7, 2014

Photo and Video Chronology - Kīlauea - April 7, 2014

Kahauale‘a 2 flow continues moving through remote forest, more lava pond activity in Pu‘u ‘Ō‘ō

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Volcano Watch — UHH is part of the HVO team monitoring Kīlauea eruptions

Volcano Watch — UHH is part of the HVO team monitoring Kīlauea eruptions

Every year about this time, we write about the chemistry of lava erupting from Kīlauea Volcano.

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Volcano Watch — Two weeks of terror in Ka‘ū: The devastating events of 1868

Volcano Watch — Two weeks of terror in Ka‘ū: The devastating events of 1868

March marks the anniversary of the most recent eruption of Mauna Loa, which began on March 25, 1984. It also reminds us of a much more destructive...

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