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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 — What do we call new land at Kīlauea Volcano's ocean entries?

Volcano Watch — What do we call new land at Kīlauea Volcano's ocean entries?

If you follow Kīlauea Volcano's ongoing East Rift Zone eruption, you are likely aware that when lava enters the ocean, it often forms new land. But...

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January 2018 is Volcano Awareness Month

January 2018 is Volcano Awareness Month

January 2018 is the 9th annual "Volcano Awareness Month" on the Island of HAWAII.

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Photo and Video Chronology - Kīlauea - November 22, 2017

Photo and Video Chronology - Kīlauea - November 22, 2017

Changes at Pu‘u ‘Ō‘ō and views of the 61g flow

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Photo and Video Chronology - Kīlauea - November 20, 2017

Photo and Video Chronology - Kīlauea - November 20, 2017

Typical lava lake activity at Kīlauea Volcano's summit

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Photo and Video Chronology - Kīlauea - November 17, 2017

Photo and Video Chronology - Kīlauea - November 17, 2017

Weak flows on Kamokuna delta

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Volcano Watch — Drive along Saddle Road reveals outstanding volcanic geology

Volcano Watch — Drive along Saddle Road reveals outstanding volcanic geology

Route 200, the Daniel K. Inouye Highway, crosses Humu‘ula Saddle, which separates Mauna Kea and Mauna Loa, the two largest volcanoes on the Island of...

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Photo and Video Chronology - Mauna Loa - November 15, 2017

Photo and Video Chronology - Mauna Loa - November 15, 2017

Lava flows, Pu‘u Pohaku‘ohanalei cone, Moku‘āweoweo's North Pit, Sulphur Cone area, and a video of Mauna Loa's summit caldera.

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Photo and Video Chronology - Kīlauea - November 15, 2017

Photo and Video Chronology - Kīlauea - November 15, 2017

Views of Kīlauea caldera

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Photo and Video Chronology - Kīlauea - November 10, 2017

Photo and Video Chronology - Kīlauea - November 10, 2017

Ocean entry inactive; breakouts continue on delta and coastal plain

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Volcano Watch — Magma: What's hot and what's not

Volcano Watch — Magma: What's hot and what's not

Scientists at the USGS Hawaiian Volcano Observatory routinely collect lava samples from Kīlauea and use the chemistry of these samples to infer the...

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Volcano Watch — Threat Rankings of our Nation’s geologically young volcanoes

Volcano Watch — Threat Rankings of our Nation’s geologically young volcanoes

What exactly do volcano threat rankings mean?

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Photo and Video Chronology - Kīlauea - November 1, 2017

Photo and Video Chronology - Kīlauea - November 1, 2017

Activity at Pu‘u ‘Ō‘ō and on the 61g flow

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