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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 — Tilt, Tremor, and Lava: Remembering Mauna Loa’s 2022 Eruption Onset

Volcano Watch — Tilt, Tremor, and Lava: Remembering Mauna Loa’s 2022 Eruption Onset

As people from around the world are captivated by episodic lava fountaining during the ongoing Kīlauea eruption in Halemaʻumaʻu, let’s use the current...

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Photo & Video Chronology — April 20-23, 2025 — Kīlauea eruption episode 18

Photo & Video Chronology — April 20-23, 2025 — Kīlauea eruption episode 18

Episode 18 of the ongoing Halemaʻumaʻu eruption ended abruptly at 1:28 p.m. HST on April 22. The high fountaining phase of episode 18 lasted for just...

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Photo & Video Chronology — April 18, 2025 — New Kīlauea summit interferogram and UAS mission photos

Photo & Video Chronology — April 18, 2025 — New Kīlauea summit interferogram and UAS mission photos

A new interferogram shows deformation at Kīlauea volcano during the pause between episodes 17 and 18 of the ongoing summit eruption. 

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Volcano Watch — How to build a beach: Pohoiki growth over the years

Volcano Watch — How to build a beach: Pohoiki growth over the years

Although it may feel like it happened in an instant, the formation of the Island of Hawai‘i’s youngest black sand beach did not happen overnight. This...

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Photo & Video Chronology — April 15, 2025 — Kīlauea summit UAS flights

Photo & Video Chronology — April 15, 2025 — Kīlauea summit UAS flights

On April 15, USGS Hawaiian Volcano Observatory geologists flew UAS (uncrewed aircraft systems) into Halemaʻumaʻu to monitor the ongoing Kīlauea summit...

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New USGS Data Releases and Publication

New USGS Data Releases and Publication

Two new USGS Data Releases provide tiltmeter data for several stations on Kīlauea during 2023 and 2024. A new publication in the Journal of Applied...

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Volcano Watch — A Focus on the National Volcano Information Service

Volcano Watch — A Focus on the National Volcano Information Service

The National Volcano Early Warning and Monitoring System (NVEWS) was first authorized by congress in 2019 to be established within the United States...

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Photo & Video Chronology — April 9, 2025 — More views of Kīlauea episode 17

Photo & Video Chronology — April 9, 2025 — More views of Kīlauea episode 17

Episode 17 of the ongoing Halemaʻumaʻu eruption ended at 9:45 a.m. HST on April 9 when low fountaining at the south vent stopped. Fountains from the...

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Photo & Video Chronology — April 8, 2025 — Kīlauea summit eruption episode 17

Photo & Video Chronology — April 8, 2025 — Kīlauea summit eruption episode 17

Kīlauea's current eruption in Halemaʻumaʻu crater within Kaluapele (the summit caldera) began on December 23, 2024. There have now been 17 episodes of...

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Photo & Video Chronology — April 7, 2025 — New Kīlauea maps and timelapse

Photo & Video Chronology — April 7, 2025 — New Kīlauea maps and timelapse

New thermal maps show activity near the beginning and just after the end of episode 16 lava fountaining at the summit of Kīlauea. A timelapse video of...

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Volcano Watch — Kīlauea’s continuing summit eruption

Volcano Watch — Kīlauea’s continuing summit eruption

The episodic summit eruption of Kīlauea in Halemaʻumaʻu crater has been going on for over three months now, with sixteen eruptive episodes displaying...

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Photo & Video Chronology — April 2, 2025 — Kīlauea summit views after episode 16

Photo & Video Chronology — April 2, 2025 — Kīlauea summit views after episode 16

Episode 16 of the ongoing Halemaʻumaʻu eruption ended at 12:03 p.m. HST on April 2 when high fountaining at the south vent stopped.  Fountains from...

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