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Volcano Watch

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. 

Filter Total Items: 1671
Volcano Watch — Surface flows erupting; lava bench movement measured

Volcano Watch — Surface flows erupting; lava bench movement measured

Several large surface lava flows from the eruption along Kīlauea's east rift zone occurred this past week. The largest of these flowed down the east...

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Volcano Watch — Large quakes have rocked isle before

Volcano Watch — Large quakes have rocked isle before

Earthquakes are a frequent occurrence on the Island of Hawaii. Rarely a week goes by that we do not experience at least one earthquake that is large...

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Volcano Watch — Local volcanologist to assess Zaire eruption

Volcano Watch — Local volcanologist to assess Zaire eruption

The U.S. Geological Survey has a Volcano Disaster Assistance Program (VDAP) that provides scientific and technical assistance during international...

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Volcano Watch — Isle may be zoned too low for level of seismic activity

Volcano Watch — Isle may be zoned too low for level of seismic activity

The U.S. Geological Survey maintains a network of more than 50 seismic stations on Hawaii Island. The instruments and their distribution were...

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Volcano Watch — Same rift zone eruption continues

Volcano Watch — Same rift zone eruption continues

The eruption along Kīlauea's East Rift Zone continues with little change since our last report in mid-June. There are still two erupting vents located...

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Volcano Watch — Eruption's changed little after more than 11 years

Volcano Watch — Eruption's changed little after more than 11 years

The eruption on Kīlauea's east rift zone continues with little change. The eruption has now been going for eleven and one-half years and shows no...

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Volcano Watch — Quake rattles Mauna Kea

Volcano Watch — Quake rattles Mauna Kea

On May 22 at 7:50 in the morning, the northern part of Hawaii Island was rattled by an earthquake with an estimated magnitude of 4.2.

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Volcano Watch — Eruption's end will come slowly (Submitted title: The Mauna Ulu Eruption: 1969-1974)

Volcano Watch — Eruption's end will come slowly (Submitted title: The Mauna Ulu Eruption: 1969-1974)

Before the current activity on Kīlauea's east rift zone, the most long-lived rift eruption was that of Mauna Ulu, which began 25 years ago, on May 24...

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Volcano Watch — Tsunami threat real in Hawaii (submitted title: The 1960 tsunami, Hilo)

Volcano Watch — Tsunami threat real in Hawaii (submitted title: The 1960 tsunami, Hilo)

Thirty-four years ago, on May 23, 1960, a tsunami destroyed much of downtown Hilo. Tsunami, or seismic sea waves, are generated in several ways...

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Volcano Watch — Kīlauea flows continue without interruption

Volcano Watch — Kīlauea flows continue without interruption

The eruption along Kīlauea's east rift zone continues without interruption. Following the last pause in activity in the middle of April, the tube was...

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Volcano Watch — Kīlauea's eruptions haven't always been as tame as now

Volcano Watch — Kīlauea's eruptions haven't always been as tame as now

Kīlauea is famous for eruptions of the type we are now experiencing--quiet effusion of lava that makes the eruption approachable. However, not all of...

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Volcano Watch — Updated volcano maps incorporate new hazard zones

Volcano Watch — Updated volcano maps incorporate new hazard zones

A few weeks ago, several members of the Hawaiian Volcano Observatory staff presented information about volcanic hazards on Hawaii to the Hawaiian...

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