Categorized | Sci-Tech

Volcano Watch: Kilauea Activity update for week of April 2

(Activity updates are written by scientists at the U.S. Geological Survey’s Hawaiian Volcano Observatory.) 

The Waikupanaha and Kupapau ocean entries remain active. Surface flows inland from Kupapau, which began late last week following a deflation–inflation (DI) event at Kilauea’s summit, remain active along the eastern boundary of the National Park.

At Kilauea’s summit, the vent within Halemaumau Crater continues to emit elevated amounts of sulfur dioxide gas, resulting in high concentrations of sulfur dioxide downwind. Though not directly observed, vent noises suggest that lava is still present within the vent about 110 yards below the floor of Halemaumau crater.

Visit the HVO Web site ( for detailed Kilauea and Mauna Loa activity updates, recent volcano photos, recent earthquakes, and more; call (808) 967-8862 for a Kilauea summary; email questions to

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