Sophia Yan

Associated Press

In this photo provided by the U.S. Geological Survey, crews make visual observations of lava activity at fissure 8, Thursday, May 31, 2018 near Pahoa, Hawaii. Fountain heights Thursday morning continued to reach 230 to 260 feet (70 to 80 meters) above ground level. The fountaining feeds a lava flow that is moving to the northeast along Highway 132 into the area of Noni Farms road.

Volcano Lava Burns 2 Buildings at Geothermal Plant

Lava claims substation and warehouse that stored a drilling rig.

A a geothermal plant is seen from the Leilani Estates subdivision near Pahoa, Hawaii, Tuesday, May 22, 2018. Authorities were racing Tuesday to close off production wells at the plant threatened by a lava flow from Kilauea volcano on Hawaii's Big Island.

Wells Plugged as Lava Nears

Residents have been concerned about hazards if the lava flowed over the plant's facilities, or if heat generated would interact with various chemicals used on-site.