Fissures continued to open, but mostly emitted slow, sticky lava that didn’t travel far. Leilani residents continued to be allowed back during the daytime.
Video: lava flow eats Mustang (dead battery; owner left it to focus on rescuing other possessions), another flow pushes through metal gate. These slow-moving, clumpy, clanking flows that pile up like a rocky bulldozer are “a’a” lava.
Evacuated residents of Leilani Estates were allowed back on Sunday May 6 to collect vital documents, pets and possessions. New fissures continued to open up and spatter, and officials warned about toxic sulfur dioxide gas (SO2) coming from fissures as well.
To give you an idea of what's going on. This is Pu'u O'o crater April 28th full to the brim with lava & then yesterday completely drained like someone unplugged the tub. All the lava has flowed into lava tubes to were it's reaching the surface miles away in Leilani. pic.twitter.com/BzJwNC0Fvh
At 12:33PM. a magnitude 6.9 earthquake knocked out power to some customers, agitated the summit lava lake (video clip), sent up yet more ash from Pu’u O’o (video clip), and caused minor local sea level fluctuations (Good article: Honolulu Star-Advertiser). Also see informative HVO Volcano Watch photo essay.
Below: Interview of HVO geologist Jim Kauahikaua, prior to 6.9 quake. Big Island Video News added lava footage from David Corrigan, Mick Kalber, Ikaika Marzo.
The floor of Pu’u O’o collapsed in stages starting at 2PM in the afternoon and evening of April 30. Poor weather, fog and clouds obscured the view, but the thermal webcam positioned on Pu’u O’o’s north rim captured it. Timelapse April 28-May 1:
This isn’t the first time it’s collapsed. Here’s a regular webcam timelapse movie of Pu’u O’o’s crater floor collapsing on March 5, 2011.