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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 — Papua New Guinea eruption destroys a town the size of Hilo

Volcano Watch — Papua New Guinea eruption destroys a town the size of Hilo

Rabaul caldera, an active volcano located on the northern tip of New Britain island in Papua New Guinea, erupted violently this past week.

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Volcano Watch — A 'who's who' of Big Island observatories

Volcano Watch — A 'who's who' of Big Island observatories

The Hawaiian Volcano Observatory is located on the northwest rim of Kīlauea caldera adjacent to the Jagger Museum. Because of its location within...

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Volcano Watch — Dramatic changes at Kīlauea

Volcano Watch — Dramatic changes at Kīlauea

Kīlauea's east rift zone eruption at Pu'u 'O'o, which began in January 1983, continues. Lava is actively circulating in a pond inside the Pu'u 'O'o...

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Volcano Watch — Scientific drill plumbs isle's depths

Volcano Watch — Scientific drill plumbs isle's depths

About nine months ago I wrote about a scientific drill hole in Hilo that was funded by the National Science Foundation to examine the long-term growth...

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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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