A plume of volcanic smoke rises over Leilani Estates near the town of Pahoa. Frederic Brown / AFP
Activity continues as a fissure eruption fountains more than 100 feet into the air near Pahoa, Hawaii, US, on May 6, 2018. Bruce Omori / Paradise Helicopters / EPA
Ash from the Puu Oo vent on Kilauea volcano rises into the air, near Pahoa, Hawaii. US Rep Tusli Gabbard / National Guard via AP
Vehicles head for the intersection of Pahoa and Kapoho Roads as evacuees are allowed to return to their Leilani Estates homes to gather belongings and exit on May 6, 2018, in Pahoa, Hawaii. Frederic Brown / AFP
Fissure 7 in Pahoa, Hawaii. At the peak of its activity, large bubble bursts occurred at one spot, lower left, in the fissure while spattering was present in other portions. US Geological Survey via AP
Lava burns across a road in the Leilani Estates subdivision near Pahoa, Hawaii. Caleb Jones / AP Photo
Lava burns across a road as an offering to the volcano goddess lies in the foreground in the Leilani Estates subdivision near Pahoa, Hawaii. Caleb Jones / AP Photo
Activity continues on Kilauea's east rift zone, as a robust fissure eruption in Leilani Estates sends a massive flow into the subdivision, consuming all in its path, near Pahoa, Hawaii. Bruce Omori / Paradise Helicopters / EPA
Some of the 1990 lava flow from Kilauea, one of the world's most active volcanoes, on Sunday, May 6, 2018, in Kalapana, a town south of the Leilani Estates subdivision, Hawaii. Marco Garcia / AP Photo
Authorities, including police and the National Guard, check the identification of returning evacuees to their homes at Leilani Estates near the town of Pahoa on May 6, 2018. Frederic Brown / AFP
A man climbs onto a petrified lava flow from long ago for a picture of the plume of volcanic smoke in the distance over the area of Leilani Estates near the town of Pahoa. Frederic Brown / AFP
A plume of volcanic smoke rises over Leilani Estates near the town of Pahoa. Frederic Brown / AFP
Activity continues as a fissure eruption fountains more than 100 feet into the air near Pahoa, Hawaii, US, on May 6, 2018. Bruce Omori / Paradise Helicopters / EPA
Ash from the Puu Oo vent on Kilauea volcano rises into the air, near Pahoa, Hawaii. US Rep Tusli Gabbard / National Guard via AP
Vehicles head for the intersection of Pahoa and Kapoho Roads as evacuees are allowed to return to their Leilani Estates homes to gather belongings and exit on May 6, 2018, in Pahoa, Hawaii. Frederic Brown / AFP
Fissure 7 in Pahoa, Hawaii. At the peak of its activity, large bubble bursts occurred at one spot, lower left, in the fissure while spattering was present in other portions. US Geological Survey via AP
Lava burns across a road in the Leilani Estates subdivision near Pahoa, Hawaii. Caleb Jones / AP Photo
Lava burns across a road as an offering to the volcano goddess lies in the foreground in the Leilani Estates subdivision near Pahoa, Hawaii. Caleb Jones / AP Photo
Activity continues on Kilauea's east rift zone, as a robust fissure eruption in Leilani Estates sends a massive flow into the subdivision, consuming all in its path, near Pahoa, Hawaii. Bruce Omori / Paradise Helicopters / EPA
Some of the 1990 lava flow from Kilauea, one of the world's most active volcanoes, on Sunday, May 6, 2018, in Kalapana, a town south of the Leilani Estates subdivision, Hawaii. Marco Garcia / AP Photo
Authorities, including police and the National Guard, check the identification of returning evacuees to their homes at Leilani Estates near the town of Pahoa on May 6, 2018. Frederic Brown / AFP
A man climbs onto a petrified lava flow from long ago for a picture of the plume of volcanic smoke in the distance over the area of Leilani Estates near the town of Pahoa. Frederic Brown / AFP
A plume of volcanic smoke rises over Leilani Estates near the town of Pahoa. Frederic Brown / AFP