Kilauea Summit – Episode 37 of the Kilauea summit eruption in Halemaumau began on November 25 at 2:30 p.m., driven by lava fountaining from the north vent.

A broad, powerful fountain formed at the north vent, reaching heights of 500–600 feet (150–180 meters). Lava flows spread out from this source, covering a wide area of the crater floor.

Throughout the event, the south vent remained comparatively subdued, showing only weak spattering and persistent flaming.

By 8 p.m., lava fountaining at the north vent had already begun to lessen. The activity there finally ceased at 11:39 p.m.

No tephra fall was observed on nearby roads during Episode 37. Preliminary estimates, based on ground deformation data, indicate that about 6 million cubic meters (7.8 million cubic yards) of lava were erupted.

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