October 8, 2021—Kīlauea summit eruption thermal map

A helicopter overflight on October 8, 2021, at approximately 8:00 a.m. HST allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea. The scale of the thermal map ranges from blue to red, with blue colors indicative of cooler temperatures and red colors indicative of warmer temperatures. The dimensions of the new lava lake are 1020 m (0.6 mile) east-west axis and 725 m (0.5 mile) in north-south axis. The estimated area of the lake is about 56 hectares (138 acres). USGS map by M. Patrick.