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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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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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Volcano Watch — In Remembrance of Ed Brown, HVO ‘Ohana

Volcano Watch — In Remembrance of Ed Brown, HVO ‘Ohana

On May 15, 2024, our friend and colleague Ed Brown, Associate Director for Infrastructure and Facilities for the USGS Volcano Science Center (VSC)...

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Volcano Watch — Petrologists gather to discuss challenges and goals in understanding Kīlauea chemistry

Volcano Watch — Petrologists gather to discuss challenges and goals in understanding Kīlauea chemistry

During the most active portion of their life cycle, called the shield stage, Hawaiian volcanoes erupt frequently and mostly produce a rock type called...

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Volcano Watch — A decade later, remembering the Pāhoa lava flow crisis

Volcano Watch — A decade later, remembering the Pāhoa lava flow crisis

Over the past few years, eruptions of Kīlauea volcano on the Island of Hawai‘i have happened in remote regions and lava flows have not directly...

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Volcano Watch — Keeping up with Kīlauea

Volcano Watch — Keeping up with Kīlauea

Kīlauea began erupting from fissures southwest of Kaluapele (the summit caldera) just after midnight on June 3; the eruption ceased just nine hours...

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Kīlauea Volcano Activity Notice — status downgrade to WATCH/ORANGE, eruption continues with limited hazards

Kīlauea Volcano Activity Notice — status downgrade to WATCH/ORANGE, eruption continues with limited hazards

Kīlauea eruption is currently ongoing but is taking place in a remote location within the national park, is low in eruptive volume, and does not pose...

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Kīlauea Volcano Activity Notice — Status Upgrade to WATCH/ORANGE, elevated unrest at the summit

Kīlauea Volcano Activity Notice — Status Upgrade to WATCH/ORANGE, elevated unrest at the summit

Kīlauea is not erupting. Increased earthquake activity and ground deformation at Kīlauea’s summit began at approximately 12:00 p.m. HST on June 2...

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Volcano Watch — Beyond the lava: Mauna Loa’s deformation story

Volcano Watch — Beyond the lava: Mauna Loa’s deformation story

Mauna Loa volcano stands as the largest and most active volcano on Earth. With a rich history of eruptions that have shaped the Island of Hawaʻi's...

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Volcano Watch — HVO's Mission Depends on Reliable and Secure IT Solutions

Volcano Watch — HVO's Mission Depends on Reliable and Secure IT Solutions

The USGS Hawaiian Volcano Observatory (HVO) is responsible for monitoring and studying one of the most active volcanic regions in the world. The...

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