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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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Media Advisory: Mount St. Helens Revisited - Live Online Public Lecture

Media Advisory: Mount St. Helens Revisited - Live Online Public Lecture

You are invited to a public lecture about the 1980 Mount St. Helens eruptions.

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USGS HVO Information Statement — Magnitude-4.5 earthquake northeast of Pāhala, Island of Hawai‘i

USGS HVO Information Statement — Magnitude-4.5 earthquake northeast of Pāhala, Island of Hawai‘i

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.5 earthquake located beneath the south part of the Island of...

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Volcano Watch — New Instrument Measures Lava Lake with Laser 

Volcano Watch — New Instrument Measures Lava Lake with Laser 

The night sky over Kīlauea summit lit up with the glow of lava Sunday, December 20th, 2020. Deep in the caldera, the gathered lake water was boiled by...

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Photo and Video Chronology – Kīlauea – June 14, 2021

Photo and Video Chronology – Kīlauea – June 14, 2021

Kīlauea's summit is no longer erupting; lava supply to the Halemaʻumaʻu lava lake has ceased and sulfur dioxide emissions have decreased to near pre...

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Photo and Video Chronology – Kīlauea – June 11, 2021

Photo and Video Chronology – Kīlauea – June 11, 2021

Kīlauea's summit is no longer erupting; lava supply to the Halemaʻumaʻu lava lake has ceased and sulfur dioxide emissions have decreased to near pre...

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Photo and Video Chronology – Kīlauea – June 10, 2021

Photo and Video Chronology – Kīlauea – June 10, 2021

Kīlauea's summit is no longer erupting; lava supply to the Halemaʻumaʻu lava lake has ceased and sulfur dioxide emissions have decreased to near pre...

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Volcano Watch — Campaign season is here! Another way HVO tracks changes on Hawaiian volcanoes

Volcano Watch — Campaign season is here! Another way HVO tracks changes on Hawaiian volcanoes

Geodetic surveys measure the change in shape of our volcanoes due to changes in magma supply and storage. The USGS Hawaiian Volcano Observatory (HVO)...

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Photo and Video Chronology – Kīlauea – June 9, 2021

Photo and Video Chronology – Kīlauea – June 9, 2021

Kīlauea's summit is no longer erupting; lava supply to the Halemaʻumaʻu lava lake has ceased and sulfur dioxide emissions have decreased to near pre...

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New HVO webcam: [MKcam] Mauna Loa's Summit and Northeast Rift Zone from Mauna Kea

New HVO webcam: [MKcam] Mauna Loa's Summit and Northeast Rift Zone from Mauna Kea

A new USGS Hawaiian Volcano Observatory webcam provides views of Mauna Loa’s summit and Northeast Rift Zone. The webcam view is to the south from its...

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Volcano Watch — What defines an eruption pause?

Volcano Watch — What defines an eruption pause?

Kīlauea’s recent volcano alert-level change, from Watch to Advisory, has attracted some attention.  

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Photo and Video Chronology – Kīlauea – June 3, 2021

Photo and Video Chronology – Kīlauea – June 3, 2021

Kīlauea's summit is no longer erupting; lava supply to the Halemaʻumaʻu lava lake has ceased and sulfur dioxide emissions have decreased to near pre...

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USGS HVO Information Statement — Magnitude-4.0 earthquake under Lō‘ihi seamount, south of the Island of Hawai‘i

USGS HVO Information Statement — Magnitude-4.0 earthquake under Lō‘ihi seamount, south of the Island of Hawai‘i

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.0 earthquake located beneath Lō‘ihi seamount on Wednesday, June...

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