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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 — Kīlauea Volcano divided into lava-risk zones

Volcano Watch — Kīlauea Volcano divided into lava-risk zones

Kīlauea is the world's most active volcano. About 70% of Kīlauea's surface is covered by lava less than 500 years old and over 90% is covered by lava...

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Volcano Watch — The Big Island is sinking under weight of volcano

Volcano Watch — The Big Island is sinking under weight of volcano

A magnitude 3.8 earthquake occurred about 15 miles beneath Mauna Kea Volcano at 1:48 a.m. on January 21. Similar deep earthquakes occur persistently...

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Volcano Watch — Earthquakes swarm beneath Kīlauea Volcano

Volcano Watch — Earthquakes swarm beneath Kīlauea Volcano

The most notable event on Kīlauea Volcano this past week was a swarm of small earthquakes, mainly on January 13. This swarm included two earthquakes...

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Volcano Watch — East Rift eruption continues at low, steady level

Volcano Watch — East Rift eruption continues at low, steady level

The eruption on the East Rift Zone of Kīlauea Volcano continues with low-volume, steady effusion of lava from the breakout at about the 1,900-foot...

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Volcano Watch — Eruption's 10th year begins

Volcano Watch — Eruption's 10th year begins

Nine years ago on January 3, 1983, the ongoing eruption on the East Rift Zone of Kīlauea Volcano began when a discontinuous 3.7-mile long series of...

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Volcano Watch — Scientists predicting lava flow shift from Kupaianaha vent

Volcano Watch — Scientists predicting lava flow shift from Kupaianaha vent

Kīlauea Volcano continues to erupt from the Kupaianaha vent on the East Rift Zone. The volume of lava moving down the Waha`ula lava tube from the...

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Volcano Watch — Earthquake swarm felt at Lo`ihi seamount

Volcano Watch — Earthquake swarm felt at Lo`ihi seamount

During a typical week, 300-400 located earthquakes occur beneath the Big Island, as recorded on the U.S. Geological Survey's seismic network. However...

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Volcano Watch — Volcano Watch (no. 7)

Volcano Watch — Volcano Watch (no. 7)

Kīlauea Volcano continues to erupt from the Kupaianaha vent on the East Rift Zone. The episode 49 fissure that opened between Pu`u `O`o and Kupaianaha...

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Volcano Watch — Eruption continuing at Kīlauea, but little action seen

Volcano Watch — Eruption continuing at Kīlauea, but little action seen

Kīlauea Volcano continues to erupt from the Kupaianaha vent on the East Rift Zone, while the episode 49 fissure that opened between Pu`u `O`o and...

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Volcano Watch — Volcano Watch (no. 5)

Volcano Watch — Volcano Watch (no. 5)

Kīlauea Volcano continues to erupt from both the Kupaianaha vent on the East Rift Zone and from the new episode 49 fissure located between Pu`u `O`o...

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Volcano Watch — Volcano Watch (no. 4)

Volcano Watch — Volcano Watch (no. 4)

Kīlauea Volcano continues to erupt from both the Kupaianaha vent on the East Rift Zone and from a new fissure that opened the morning of November 8th...

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Volcano Watch — Volcano Watch (no. 3)

Volcano Watch — Volcano Watch (no. 3)

The U.S. Geological Survey's Hawaiian Volcano Observatory reports that Kīlauea Volcano continues to erupt from both the Kupaianaha vent on the East...

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