Amateur video of Halema’uma’u lava lake in Overlook Crater, taken by Jeffrey Brown on April 30, 2018.
The week before, the summit had been inflating and the lava lake had been overflowing, as seen on this USGS timelapse video of Halema’uma’u Crater April 25-26.
Map of Halema’uma’u and Kilauea Summit, because it’s a little confusing:
Continue reading April 30: Halema’uma’u Lava Lake Before It Dropped
Pu’u O’o: What it looked like just before it collapsed. See also this USGS timelapse movie of Pu’u O’o’s crater lava lake from March 20-April 18, and a blog post with a few good flyover photos on April 29.
(Pu’u O’o is a large vent on Kilauea’s shoulder that’s been erupting since 1983. See USGS / HVO photo history of the Pu’u O’o eruption.)
Video by Bryan Lowry of Lavapix.com in 2011.
Back when Pu’u O’o was healthy, it sent lava flows south down the flanks of Kilauea to the ocean, mostly away from populated areas (although unfortunately it did take out the community of Kalapana plus the half-built Royal Gardens Subdivision). See HVO’s photo history of Pu’u O’o from 1983 to the present.