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Small flow, shiny, that apparently erupted during the deflation-inflation-deflation (DID) event that started this morning. Location is south base of Pu`u `O`o, whose cracked and slumped flank is visible at top of image.
Lava welling from crest of newly forming Rainbow shield, on southwest flank of PKK shield, with Pu`u `O`o in background. This activity is related to today's DID event, when magma entered Pu`u `O`o's shallow reservoir, overpressurized it (causing the inflation), and broke out of the PKK lava tube.