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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.

Filter Total Items: 1779
Volcano Watch — Recent intrusions follow pattern of previous events

Volcano Watch — Recent intrusions follow pattern of previous events

Since July 2024 activity, at Kīlauea has been punctuated by two periods of intense unrest, centered on the upper East Rift Zone (ERZ). The periods...

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Volcano Watch — Webcam upgrades keep a sharp eye on Hawaiian volcanoes

Volcano Watch — Webcam upgrades keep a sharp eye on Hawaiian volcanoes

Photography has been a crucial part of volcano monitoring in Hawaii going back to the start of the USGS Hawaiian Volcano Observatory (HVO). In 1911...

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Volcano Watch — Introducing the Island of Hawaiʻi Interagency Operations Plan for Volcanic Eruptions

Volcano Watch — Introducing the Island of Hawaiʻi Interagency Operations Plan for Volcanic Eruptions

Last month, the Hawaiʻi County Civil Defense Agency, Hawaiʻi Volcanoes National Park, and the U.S. Geological Survey (USGS) Hawaiian Volcano...

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Volcano Watch — Volcanic tremor or distant earthquake? Distinguishing seismic signals

Volcano Watch — Volcanic tremor or distant earthquake? Distinguishing seismic signals

The Island of Hawaiʻi is one of the most seismically active areas in the world, producing thousands of earthquakes every year.  It also commonly...

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Volcano Watch — Aʻo pū mākou: We learn together with PIPES

Volcano Watch — Aʻo pū mākou: We learn together with PIPES

The Pacific Internship Programs for Exploring Science (PIPES) is celebrating its 30th anniversary of growing the next generation of aloha ʻāina...

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Volcano Watch — Kīlauea’s 2019–2020 lake: recalling the watery intermission between eruptions

Volcano Watch — Kīlauea’s 2019–2020 lake: recalling the watery intermission between eruptions

Remember when a little puddle of green water was spotted in Halemaʻumaʻu? Time flies, because that was late July 2019—over five years ago! And because...

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Volcano Watch — HVO bids farewell to its Uēkahuna location

Volcano Watch — HVO bids farewell to its Uēkahuna location

"Time to go"… words that none of us at the USGS Hawaiian Volcano Observatory (HVO) wanted to hear.

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Volcano Watch — What’s been a movin' and a shakin' in Kīlauea’s upper East Rift Zone?

Volcano Watch — What’s been a movin' and a shakin' in Kīlauea’s upper East Rift Zone?

The upper East Rift Zone (UERZ) of Kīlauea has been shaking more than normal, with nearly 1,500 earthquakes between July 22 and 25. The activity is...

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Kīlauea Volcano Activity Notice — Status Upgrade to WATCH/ORANGE, elevated unrest in the upper East Rift Zone

Kīlauea Volcano Activity Notice — Status Upgrade to WATCH/ORANGE, elevated unrest in the upper East Rift Zone

Kīlauea is not erupting. Increased earthquake activity and ground deformation at Kīlauea’s upper East Rift Zone began at approximately 3:30 a.m. HST...

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Volcano Watch — Measuring Volcanic Gases: The Answer is Blowin’ in the Wind

Volcano Watch — Measuring Volcanic Gases: The Answer is Blowin’ in the Wind

Measurement of volcanic gases is critical for both public safety and understanding volcanic activity—and everything we measure relies on the wind.

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Volcano Watch — More shaking on Kīlauea’s south flank. Did you feel it?

Volcano Watch — More shaking on Kīlauea’s south flank. Did you feel it?

Island of Hawaiʻi residents are used to feeling the ground shake beneath them. From subtle shakes that feel like wind, to abrupt jolting that knocks...

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Volcano Watch — Cruising Chain of Craters Road: Recent earthquakes and past volcanism

Volcano Watch — Cruising Chain of Craters Road: Recent earthquakes and past volcanism

The upper East Rift Zone (UERZ) of Kīlauea was a shaky place this past weekend. This region extends southeast from Kaluapele (Kīlauea’s summit caldera...

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