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Kīlauea Episode 51: Eruption Recap & Timeline

⚠️Alert Level: ADVISORY|Aviation Code: YELLOW

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Episode 51 Summary

Episode 51 is one of the fountaining episodes of Kīlauea's ongoing Halemaʻumaʻu eruption, which has produced numbered episodes every one to four weeks since December 2024. The daily USGS status entries that reference it are collected below, and the full daily updates log has the complete day-by-day record.

Episode 51 in the Daily USGS Log

July 17, 2026

ADVISORY

Kīlauea volcano is not erupting; the summit eruption in Halemaʻumaʻu is paused. Episode 51 ended at 4:46 p.m. HST on July 15. Inflation models indicate another episode is likely, with the preliminary forecast between July 24 to August 3.

July 16, 2026

ADVISORY

Kīlauea volcano is not erupting; the summit eruption in Halemaʻumaʻu is paused. Episode 51 ended at 4:46 p.m. HST on July 15. Re-inflation indicates another episode is likely but more data are needed to determine the forecast.

July 15, 2026

WATCH

Episode 51 of the ongoing Halemaʻumaʻu eruption continues at 10:20 a.m. HST on July 15. Volcanic Activity: Episode 51 of lava fountaining in Halemaʻumaʻu began at the summit of Kīlauea began at 8:30 a.m. HST on July 15 and continues as of this notice. Fountain heights are at 950 feet (290 meters) and effusion rates have reached a peak of about 400 cubic yards per second (300 cubic meters per second) at 10:30 a.m. HST July 15. The National Weather Service reports that the plume from this eruption is reaching 18000 feet above sea level. Ground-level sensors near the eruptive vents indicate that

How to Monitor Episode 52

Is It Safe to Visit Hawaii During an Eruption Episode?

Always check the Hawaiʻi Volcanoes National Park website and follow guidance from park rangers and USGS HVO before visiting. Conditions can change rapidly. This site is for informational purposes only. Always defer to official park and emergency management sources.

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Data sourced from USGS HVO. Not affiliated with USGS.