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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 — Lava taking Hawaiian village, nearing arch

Volcano Watch — Lava taking Hawaiian village, nearing arch

The eruption near Pu`u `O`o on Kīlauea's East Rift Zone continues, with lava entering the ocean both east and west of Kamoamoa and at Lae`apuki.

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Volcano Watch — April has been the month for serious tsunami activiy in Hilo and the Hawaiian Islands

Volcano Watch — April has been the month for serious tsunami activiy in Hilo and the Hawaiian Islands

In historical times, two tsunamis occurred during the first week of April. The first of these occurred on April 2, 1868; it resulted from the great...

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Volcano Watch — Active flows entering ocean near Kamoamoa

Volcano Watch — Active flows entering ocean near Kamoamoa

Lava continues to flow from two active vents on the south and southwest flanks of the Pu`u `O`o cinder cone on Kīlauea's East Rift Zone. These vents...

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Volcano Watch — 25 years since last Mauna Loa eruption

Volcano Watch — 25 years since last Mauna Loa eruption

This Thursday marks the ninth anniversary of the beginning of the last eruption of Mauna Loa Volcano, following a nine-year period of quiescence.

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Volcano Watch — Kīlauea eruption continues with little change

Volcano Watch — Kīlauea eruption continues with little change

The eruption on Kīlauea's East Rift Zone continues, with little change from last week. Lava from the episode 51 and 53 vents, both located on the...

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Volcano Watch — Lava flows from two Pu‘u ‘O‘o vents

Volcano Watch — Lava flows from two Pu‘u ‘O‘o vents

The eruption on Kīlauea's East Rift Zone continued through the week. Two vents were active, both located on the flanks of the 770-foot-high Pu`u `O`o...

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Volcano Watch — Ten-year-long eruption resumes after short lull

Volcano Watch — Ten-year-long eruption resumes after short lull

The 10-year-long eruption at Kīlauea Volcano started up again during the morning of February 16, after a period of inactivity lasting about 10 days...

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Volcano Watch — Pu`u `O`o eruption is volcano's 50th episode

Volcano Watch — Pu`u `O`o eruption is volcano's 50th episode

On Monday, Feb. 17, at about 7:30 p.m., lava began erupting from a fissure on the southwest flank of Pu`u `O`o.

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Volcano Watch — Steamer passenger recorded unusual eruption

Volcano Watch — Steamer passenger recorded unusual eruption

In February 1877, an unusual eruption occurred on Mauna Loa Volcano. Part of the eruption was submarine, and the eruptive fissure was neither at the...

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Volcano Watch — Volcano rattles at 400 quakes an hour

Volcano Watch — Volcano rattles at 400 quakes an hour

An intense earthquake swarm occurred beneath the upper to middle East Rift Zone of Kīlauea Volcano starting at 11:36 p.m. on Sunday, February 7. At...

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Volcano Watch — Recent earthquake activity recalls Kapoho eruption

Volcano Watch — Recent earthquake activity recalls Kapoho eruption

Earthquake activity this past week was considerably reduced from the high levels recorded the previous week. Three earthquakes occurred that had...

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Volcano Watch — Most active seismic zone in the nation here

Volcano Watch — Most active seismic zone in the nation here

Nearly everyone on the island of Hawai`i should have felt an earthquake this past week. As the accompanying map shows, Hawai`i was rattled by 11...

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