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Photo and Video Chronology — January 15, 2025 — Kīlauea summit eruption episode 4

Around 9:15 a.m. HST this morning, January 15, 2025, the eruption of Kīlauea within Kaluapele (summit caldera) resumed. Lava fountains are active at two vents in the west part of the caldera.

Panorama image of the north and south vents in the west portion of Kīlauea caldera are erupting lava fountains during the afternoon of January 15, 2025. Lava fountains are feeding lava flows that are moving in an eastward direction on the caldera floor. USGS photo by M. Patrick.

Episode 4 of the ongoing Kīlauea summit eruption began this morning, January 15, 2025. Lava fountains resumed erupting from the two vents that have been active in the eruption that began within Halemaʻumaʻu at the summit of Kīlauea volcano on December 23, 2024. Each episode of the eruption has been separated by pauses in eruptive activity lasting less than 24 hours to 12 days. More details are available in the Information Statement that HVO published on January 10, 2025: https://volcanoes.usgs.gov/hans-public/notice/DOI-USGS-HVO-2025-01-10T20:11:29+00:00. USGS photograph by M. Patrick.

Video compilation of Episode 4 of the ongoing Kīlauea summit eruption began this morning, January 15, 2025. The first clip shows USGS Hawaiian Volcano Observatory geologists in the closed area of Hawaiʻi Volcanoes National Park collect tephra falling on a closed portion of Crater Rim Drive. Listen to the glassy lava particles tinkering as they land on the road. Later clips show various angles of the erupting lava fountains, which reached up to 100 meters (about 328 feet) in height. Watch as globs of lava fall onto the cone surrounding the vent and listen to sounds of the erupting vents, which some liken to the sounds of the ocean. USGS videos by M. Patrick.

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