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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 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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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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