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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 — Tracking the growth of a new puʻu at Kīlauea

Volcano Watch — Tracking the growth of a new puʻu at Kīlauea

Tephra formed by lava fountains during the ongoing Kīlauea summit eruption has created a new puʻu (hill) southwest of Halemaʻumaʻu crater. The new...

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Photo & Video Chronology — December 2, 2025 — Kīlauea summit overflight

Photo & Video Chronology — December 2, 2025 — Kīlauea summit overflight

The USGS Hawaiian Volcano Observatory conducted a monitoring overflight of Kīlauea summit on December 2, 2025.

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Volcano Watch — The legacy of the 1975 earthquake: 50 years of study at Kīlauea’s south flank

Volcano Watch — The legacy of the 1975 earthquake: 50 years of study at Kīlauea’s south flank

The 1975 Kalapana earthquake brought big changes to lives of the people affected by the fatalities and damage, as well as big changes to our...

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Photo & Video Chronology — November 25, 2025 — Kīlauea summit eruption episode 37

Photo & Video Chronology — November 25, 2025 — Kīlauea summit eruption episode 37

Episode 37 lava fountaining occurred yesterday from 2:30 p.m. to 11:39 p.m., totaling just over 9 hours. 

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Photo & Video Chronology — November 24, 2025 — Kīlauea summit overflight

Photo & Video Chronology — November 24, 2025 — Kīlauea summit overflight

On November 24, USGS Hawaiian Volcano Observatory geologists conducted a monitoring overflight of Kīlauea summit, during which they collected visual...

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Photo & Video Chronology — November 21, 2025 — Kīlauea summit overflight

Photo & Video Chronology — November 21, 2025 — Kīlauea summit overflight

Overnight, there was strong glow from the north and south vents with brief periods of spattering. Inflationary tilt is being recorded by summit...

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Volcano Watch — Remembering the destructive Kalapana earthquake 50 years ago

Volcano Watch — Remembering the destructive Kalapana earthquake 50 years ago

Fifty years ago this month, the largest Hawaii earthquake of the 20th and 21st centuries occurred. Earthquake shaking, as well as ground subsidence...

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Photo & Video Chronology — November 17, 2025 — Surveying the hazardous closed area of Kīlauea summit

Photo & Video Chronology — November 17, 2025 — Surveying the hazardous closed area of Kīlauea summit

On November 17, 2025, U.S. Geological Survey Hawaiian Volcano Observatory staff conducted fieldwork in the closed area of Hawaiʻi Volcanoes National...

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Photo & Video Chronology — November 13, 2025 — Kīlauea summit eruption episodes 34-36

Photo & Video Chronology — November 13, 2025 — Kīlauea summit eruption episodes 34-36

The summit eruption of Kīlauea continues, with 36 episodes of lava fountaining since the eruption began on December 23, 2024. Within the past month...

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Volcano Watch — Catching up on Kīlauea: 36 episodes and counting

Volcano Watch — Catching up on Kīlauea: 36 episodes and counting

The summit eruption of Kīlauea continues, with 36 episodes of lava fountaining since the eruption began on December 23, 2024. Let’s catch up on the...

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Photo & Video Chronology — September 25, 2025 — Measuring tephra cone changes at Kīlauea summit after episode 33

Photo & Video Chronology — September 25, 2025 — Measuring tephra cone changes at Kīlauea summit after episode 33

On September 25, USGS Hawaiian Volcano Observatory geologists surveyed the elevation along a transect across the new tephra cone formed by the recent...

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Photo & Video Chronology — September 24, 2025 — Kīlauea

Photo & Video Chronology — September 24, 2025 — Kīlauea

Episode 33 of the ongoing Halemaʻumaʻu eruption started around 3:11 a.m. HST on September 19, 2025 and ended at 12:08 pm HST September 19. On...

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