This map overlays a georegistered mosaic of thermal images collected during a helicopter overflight of the fissures in Leilani Estates, Island of Hawai‘i, at 10:45 a.m. on Saturday, May 5, 2018.

The base is a copyrighted satellite image (used with permission) provided by Digital Globe. Temperature in the thermal image is displayed as gray-scale values, with the brightest pixels indicating the hottest areas (white shows active breakouts). During the overflight, fissure 7 stands out as the first fissure to produce a small lava flow.