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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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Photo & Video Chronology — August 12, 2025 — Mauna Loa monitoring network maintenance

Photo & Video Chronology — August 12, 2025 — Mauna Loa monitoring network maintenance

On August 12, USGS-Hawaiian Volcano Observatory field engineers visited monitoring sites on Mauna Loa volcano to upgrade and install new monitoring...

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Photo & Video Chronology — August 8, 2025 — Kīlauea summit overflight

Photo & Video Chronology — August 8, 2025 — Kīlauea summit overflight

Kīlauea is not erupting. Episode 30 of the ongoing Halemaʻumaʻu eruption took place over about 12 hours on August 6. On August 8, USGS Hawaiian...

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Volcano Watch — Discovery of a massive submarine landslide near the 1957 Aleutian earthquake epicenter

Volcano Watch — Discovery of a massive submarine landslide near the 1957 Aleutian earthquake epicenter

As part of a growing national effort to understand seafloor hazards, scientists from the United States Geological Survey’s (USGS) Volcano Science...

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Photo & Video Chronology — August 6, 2025 — Episode 30 at Kīlauea summit

Photo & Video Chronology — August 6, 2025 — Episode 30 at Kīlauea summit

Episode 30 of the ongoing Halemaʻumaʻu eruption began at approximately 1:20 a.m. HST on August 6, 2025

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Photo & Video Chronology — August 5, 2025 — Kīlauea summit fieldwork

Photo & Video Chronology — August 5, 2025 — Kīlauea summit fieldwork

The ongoing Halemaʻumaʻu eruption is currently paused. USGS Hawaiian Volcano Observatory scientists conducted an observational helicopter overflight...

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Volcano Watch — Distant versus local earthquakes and tsunami response times in Hawaii

Volcano Watch — Distant versus local earthquakes and tsunami response times in Hawaii

Earthquakes and tsunamis in the news over the past few days are a reminder that we live on a dynamic planet with different hazards and associated...

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Photo & Video Chronology — July 24 & 25, 2025 — Kīlauea summit fieldwork

Photo & Video Chronology — July 24 & 25, 2025 — Kīlauea summit fieldwork

The ongoing Halemaʻumaʻu eruption is currently paused. USGS Hawaiian Volcano Observatory scientists made observations of the summit region on July 24...

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Volcano Watch — Ancient volcanoes are critical to our modern world, and our future

Volcano Watch — Ancient volcanoes are critical to our modern world, and our future

If you’ve read “Volcano Watch” articles before, you can probably list several reasons that scientists study volcanoes. However, there is another...

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Photo & Video Chronology — July 20, 2025 — Episode 29 at Kīlauea summit

Photo & Video Chronology — July 20, 2025 — Episode 29 at Kīlauea summit

Episode 29 of the ongoing Halemaʻumaʻu eruption ended at 6:35 p.m. HST, July 20, 2025, after over 13 hours of sustained lava fountaining. 

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Photo & Video Chronology — July 17, 2025 — UAS mission at Kīlauea summit

Photo & Video Chronology — July 17, 2025 — UAS mission at Kīlauea summit

On July 17, USGS Hawaiian Volcano Observatory staff conducted a UAS (uncrewed aircraft systems) flight of the recent eurption site at Kīlauea summit.

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Volcano Watch — Remembering a destructive Mauna Loa eruption 75 years ago

Volcano Watch — Remembering a destructive Mauna Loa eruption 75 years ago

Lava fountains at the summit of Kīlauea have been shining a spotlight on Hawaii’s most active volcano but let us not forget the larger one looming in...

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Volcano Watch — Snowshoeing on Kīlauea? High fountain episodes pose new challenges to volcano monitoring

Volcano Watch — Snowshoeing on Kīlauea? High fountain episodes pose new challenges to volcano monitoring

The USGS Hawaiian Volcano Observatory (HVO) maintains a network of nearly 150 monitoring instruments on Kīlauea, which track activity above and below...

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