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Monday, Dec 8, 2025 12:03 | 17 mins ago | By: T
The latest lava-fountaining episode at the volcano was one of the most intense of the series and remarkable in several ways. Here’s the official observatory report:
“Episode 38 of the ongoing Halemaʻumaʻu eruption ended abruptly at 8:52 p.m. HST on December 6 after 12.1 hours of continuous lava fountaining.
The south vent stopped erupting at approximately 8:52 p.m. HST, marking the end of the episode. The dual north vents stopped erupting much earlier at approximately 11:50 a.m. Lava fountains reached heights of up to 1,000-1,200 ft (300-370 m) during episode 38. Fountains were down to about 400 feet (120 meters) high just before the abrupt end of the eruption. Lava fountaining lasted for 12.1 hours and produced an estimated 16 million cubic yards (12 million cubic meters) of lava. The combined average
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