An aerial view shows fissure 17 continuing to erupt, creating wide, a mile long flow of lava that now threatens homes, property, and two major thoroughfares in Pahoa, Hawaii on 14 May, 2018. Bruce Omori / EPA
Eruptive activity continuing at fissure 17, as lava from that vent advanced roughly a mile, covering property, mainly pastureland, but is now encroaching upon two major thoroughfares, and a number of homes, in Pahoa, Hawaii on 14 May, 2018. Bruce Omori / EPA
Volcanic gases rise from a fissure in the Leilani Estates subdivision during ongoing eruptions of the Kilauea Volcano in Hawaii on May 14, 2018. Terray Sylvester / Reuters
A crack is seen in a road in the Leilani Estates subdivision during ongoing eruptions of the Kilauea Volcano in Hawaii on May 13, 2018. Terray Sylvester / Reuters
Lava erupts from a fissure east of the Leilani Estates subdivision during ongoing eruptions of the Kilauea Volcano in Hawaii on May 13, 2018. Terray Sylvester / Reuters
Major Jeff Hickman, of the Hawaii National Guard, takes a photo in the Leilani Estates subdivision during ongoing eruptions of the Kilauea Volcano in Hawaii on May 13, 2018. Terray Sylvester / Reuters
An aerial view shows fissure 17 continuing to erupt, creating wide, a mile long flow of lava that now threatens homes, property, and two major thoroughfares in Pahoa, Hawaii on 14 May, 2018. Bruce Omori / EPA
Eruptive activity continuing at fissure 17, as lava from that vent advanced roughly a mile, covering property, mainly pastureland, but is now encroaching upon two major thoroughfares, and a number of homes, in Pahoa, Hawaii on 14 May, 2018. Bruce Omori / EPA
Volcanic gases rise from a fissure in the Leilani Estates subdivision during ongoing eruptions of the Kilauea Volcano in Hawaii on May 14, 2018. Terray Sylvester / Reuters
A crack is seen in a road in the Leilani Estates subdivision during ongoing eruptions of the Kilauea Volcano in Hawaii on May 13, 2018. Terray Sylvester / Reuters
Lava erupts from a fissure east of the Leilani Estates subdivision during ongoing eruptions of the Kilauea Volcano in Hawaii on May 13, 2018. Terray Sylvester / Reuters
Major Jeff Hickman, of the Hawaii National Guard, takes a photo in the Leilani Estates subdivision during ongoing eruptions of the Kilauea Volcano in Hawaii on May 13, 2018. Terray Sylvester / Reuters
An aerial view shows fissure 17 continuing to erupt, creating wide, a mile long flow of lava that now threatens homes, property, and two major thoroughfares in Pahoa, Hawaii on 14 May, 2018. Bruce Omori / EPA