Kīlauea LERZ Fissures & Flows, May 15 at 7:00 a.m.

Map as of 6:45 a.m. HST, May 15, shows the location of the 'a'ā lava flow spreading from fissure 17; the flow front at the time is shown by the small red circle with label. The flow is following well a path of steepest descent (blue line), immediately south of the 1955 'a'ā flow boundary. Shaded purple areas indicate lava flows erupted in 1840, 1955, 1960, and 2014-2015.