Steam plumes rise as lava enters the Pacific Ocean, after flowing to the water from a Kilauea fissure. Officials are concerned that “laze,” produced when hot lava hits cool ocean water, will affect residents. Laze — from lava and haze — contains hydrochloric acid steam and volcanic glass particles.

Steam plumes rise as lava enters the Pacific Ocean, after flowing to the water from a Kilauea fissure. Officials are concerned that “laze,” produced when hot lava hits cool ocean water, will affect residents. Laze — from lava and haze — contains hydrochloric acid steam and volcanic glass particles.