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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 — Deformation specialist changes the shape of HVO for the better

Volcano Watch — Deformation specialist changes the shape of HVO for the better

In the 10 years since Mike Poland joined the USGS Hawaiian Volcano Observatory staff, he has accomplished a tremendous amount of research, mentored a...

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Volcano Watch — The June 27th lava flow: It's more than just a flow front

Volcano Watch — The June 27th lava flow: It's more than just a flow front

Daily reports on the June 27th lava flow posted by Hawai‘i County Civil Defense and the USGS Hawaiian Volcano Observatory (HVO) always include an...

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Volcano Watch — HVO welcomes new staff scientist Ingrid Johanson

Volcano Watch — HVO welcomes new staff scientist Ingrid Johanson

Over the past several weeks, our Volcano Watch articles have highlighted the methods used by USGS Hawaiian Volcano Observatory (HVO) scientists to...

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Volcano Watch — Monitoring lava flows with boots on the ground and eyes in the sky

Volcano Watch — Monitoring lava flows with boots on the ground and eyes in the sky

This month, our Volcano Watch articles are focusing on how the USGS Hawaiian Volcano Observatory (HVO) monitors Kīlauea's June 27th lava flow. Last...

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Volcano Watch — Satellites are now an essential tool for tracking lava flows

Volcano Watch — Satellites are now an essential tool for tracking lava flows

As part of Volcano Awareness Month, our January Volcano Watch articles are addressing how the USGS Hawaiian Volcano Observatory (HVO) responds to...

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Volcano Watch — Communicating information during a lava flow crisis

Volcano Watch — Communicating information during a lava flow crisis

January 2015 marks the 6th annual Volcano Awareness Month on the Island of Hawai‘i.

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Volcano Watch — Plumbing the depths of Pu‘u ‘Ō‘ō

Volcano Watch — Plumbing the depths of Pu‘u ‘Ō‘ō

January 3, 2015, marks the 32nd anniversary of the ongoing Pu‘u ‘Ō‘ō eruption on Kīlauea Volcano's East Rift Zone. Over that time, Pu‘u ‘Ō‘ō has...

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Volcano Watch — What does it take to successfully divert a lava flow?

Volcano Watch — What does it take to successfully divert a lava flow?

In discussions about lava diversion, Italy and Iceland are often touted as places where lava flows have been successfully diverted. But what did it...

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Volcano Watch — HVO ushers in the New Year with "Volcano Awareness Month"

Volcano Watch — HVO ushers in the New Year with "Volcano Awareness Month"

January is "Volcano Awareness Month."

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Volcano Watch — Revisiting Kalapana amidst the current flow activity

Volcano Watch — Revisiting Kalapana amidst the current flow activity

As lava once again wends its way downslope towards populated areas of lower Puna, we are reminded of the stop-and-start advancement of flows into the...

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Volcano Watch — What is the fate of Fogo?

Volcano Watch — What is the fate of Fogo?

Fogo, the youngest and most active volcano in the Cape Verde Islands, lies at the western end of a short chain of volcanic islands off the west coast...

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Volcano Watch — Kīlauea is a moody volcano

Volcano Watch — Kīlauea is a moody volcano

Trekkers to the summit were used to seeing explosions, but nothing like this.

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