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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 — The long way to cross Kāwili Street: Waiākea grad joins University of Hawaiʻi at Hilo

Volcano Watch — The long way to cross Kāwili Street: Waiākea grad joins University of Hawaiʻi at Hilo

Born and raised in Hilo, I grew up hiking in Hawaiʻi Volcanoes National Park, fishing in Ka'ū, and stargazing on Mauna Kea. I knew then that the Big...

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Photo & Video Chronology – September 3, 2025 – Kīlauea summit fieldwork after episode 32 lava fountaining

Photo & Video Chronology – September 3, 2025 – Kīlauea summit fieldwork after episode 32 lava fountaining

USGS Hawaiian Volcano Observatory geologists visited the caldera rim at Kīlauea summit to assess the aftermath of episode 32 lava fountaining. 

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Volcano Watch — Dick Fiske, one of HVO’s very best

Volcano Watch — Dick Fiske, one of HVO’s very best

Dick Fiske, who died on June 18 as he neared his 93rd birthday, was one of the most original thinkers ever at the USGS Hawaiian Volcano Observatory...

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Photo & Video Chronology – September 2, 2025 – Kīlauea summit eruption episode 32

Photo & Video Chronology – September 2, 2025 – Kīlauea summit eruption episode 32

Episode 32 of the ongoing Halemaʻumaʻu eruption started around 6:35 a.m. HST this morning, September 2, 2025.  Lava fountains exceeded 330 feet (100...

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Photo & Video Chronology – August 29, 2025 – Kīlauea summit observations and monitoring site maintenance

Photo & Video Chronology – August 29, 2025 – Kīlauea summit observations and monitoring site maintenance

USGS Hawaiian Volcano Observatory Scientists visited the V1cam livestream camera site on the morning of August 29 for some maintenance work. 

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Volcano Watch — Cracks in the 2018 Kīlauea lava delta: what do they mean?

Volcano Watch — Cracks in the 2018 Kīlauea lava delta: what do they mean?

Kīlauea’s 2018 eruption transformed the lower Puna District of the Island of Hawaiʻi, including its coastline, where 875 acres of new land were added...

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Photo & Video Chronology – August 25, 2025 – Sampling episode 31 at the summit of Kīlauea

Photo & Video Chronology – August 25, 2025 – Sampling episode 31 at the summit of Kīlauea

On August 25, 2025, USGS Hawaiian Volcano Observatory field crews sampled lava and tephra from episode 31 during a morning monitoring overflight of...

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Photo & Video Chronology – August 22, 2025 – Inclined fountains during episode 31 at the summit of Kīlauea

Photo & Video Chronology – August 22, 2025 – Inclined fountains during episode 31 at the summit of Kīlauea

Episode 31 of the ongoing Halemaʻumaʻu eruption began at 2:04 p.m. HST on August 22, with lava fountaining from the north vent.

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Volcano Watch — Fringes and fractures for episode 30

Volcano Watch — Fringes and fractures for episode 30

The past eight months have provided the Island of Hawaiʻi with spectacles of lava fountains at Kīlauea’s summit. These historic episodes began on...

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Photo & Video Chronology – August 18, 2025 – UAS and field observations at the north vent of Halemaʻumaʻu crater.

Photo & Video Chronology – August 18, 2025 – UAS and field observations at the north vent of Halemaʻumaʻu crater.

Moderate glow and sustained tremor indicate that magma remains at relatively shallow depths beneath the active vents. On August 18, USGS Hawaiian...

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Photo & Video Chronology — August 13, 2025 — Field sampling a new fissure from Episode 30 in Halemaʻumaʻu crater at Kīlauea volcano.

Photo & Video Chronology — August 13, 2025 — Field sampling a new fissure from Episode 30 in Halemaʻumaʻu crater at Kīlauea volcano.

Kīlauea is not erupting. Episode 30 of the ongoing Halemaʻumaʻu eruption ended abruptly at 12:55 p.m. HST on August 6 after 12 hours of continuous...

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Volcano Watch — Water in Kīlauea, and its role in its eruptions

Volcano Watch — Water in Kīlauea, and its role in its eruptions

When most people think of erupting water, they probably have geysers, like Old Faithful Geyser in Yellowstone National Park, in mind. However, Kīlauea...

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