Lava erupts from a fissure east of the Leilani Estates subdivision during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., May 13, 2018. Picture taken May 13, 2018. REUTERS/Terray Sylvester/File Photo SEARCH "POY DECADE" FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2019 PACKAGES. TPX IMAGES OF THE DAY.

Diane Cohen, 64, of Kapoho, who was forced to leave her home after the Kilauea Volcano erupted last summer, waves to a friend while returning to Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester TPX IMAGES OF THE DAY

Ingrid Webb, 34, of Kapoho, who was forced to leave her home after the Kilauea Volcano erupted last summer, looks out her window after returning to Kapoho, in Hawaii, U.S., March 30, 2019. Picture taken March 30, 2019. REUTERS/Terray Sylvester

Diane Cohen, 64, (R) who was forced to leave her home when the Kilauea Volcano erupted and covered it with lava last summer, walks across her property with her friend, Sara Lau, in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Ingrid Webb, 34, of Kapoho, who was forced to leave her farm after the Kilauea Volcano erupted last summer, inspects a water tank damaged by flowing lava after returning to Kapoho, in Hawaii, U.S., March 30, 2019. Picture taken March 30, 2019. REUTERS/Terray Sylvester

Diane Cohen, 64, of Kapoho, who was forced to leave her home after the Kilauea Volcano erupted last summer, waves to a friend while returning to Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Diane Cohen, 64, who was forced to leave her home when the Kilauea Volcano erupted and covered it with lava last summer, plants coconut trees on her property in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Ginny Vicario, of Kapoho, (C) who was forced to leave her home after the Kilauea Volcano erupted last summer, greets her friend Deb Kalalui while returning to Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Residents, who were forced to leave their homes after the Kilauea Volcano erupted last summer, drive through a hardened lava flow while returning to Kapoho, in Hawaii, U.S., April 3, 2019. REUTERS/Terray Sylvester

Diane Cohen, 64, (C) who was forced to leave her home when the Kilauea Volcano erupted and covered it with lava last summer, returns to her property with her husband, Eric, and friend, Sara Lau, in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Diane and Eric Cohen, who were forced to leave their home when the Kilauea Volcano erupted and covered it with lava last summer, look for landmarks after returning to their property in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Diane Cohen, 64, who was forced to leave her home when the Kilauea Volcano erupted and covered it with lava last summer, plants a coconut tree on her property in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester TPX IMAGES OF THE DAY

Residents, who were forced to leave their homes after the Kilauea Volcano erupted last summer, drive through a hardened lava flow while returning to Kapoho, in Hawaii, U.S., April 3, 2019. REUTERS/Terray Sylvester

Diane Cohen, 64, (C) who was forced to leave her home when the Kilauea Volcano erupted and covered it with lava last summer, returns to her property with her husband, Eric, and friend, Sara Lau, in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Dominic Tidmarsh, 55, who was forced to leave his home after the Kilauea Volcano erupted last summer, returns to the remains of his house in Kapoho, Hawaii, U.S., April 2, 2019. Picture taken April 2, 2019. REUTERS/Terray Sylvester

Pauline McLaren, 78, who was forced to leave her home after the Kilauea Volcano erupted last summer, returns to her property in Kapoho, in Hawaii, U.S., April 2, 2019. Picture taken April 2, 2019. REUTERS/Terray Sylvester

Harald Fischer, 61, of Kapoho, who was forced to leave his home after the Kilauea Volcano erupted last summer, looks at the remains of a neighbor's home after returning to Kapoho, in Hawaii, U.S., March 29, 2019. Picture taken March 29, 2019. REUTERS/Terray Sylvester

Ingrid Webb, 34, of Kapoho, who was forced to leave her farm after the Kilauea Volcano erupted last summer, waters her garden after returning to Kapoho, in Hawaii, U.S., March 30, 2019. Picture taken March 30, 2019. REUTERS/Terray Sylvester

Ingrid Webb, 34, of Kapoho, who was forced to leave her farm after the Kilauea Volcano erupted last summer, inspects a water tank after returning to Kapoho, in Hawaii, U.S., March 30, 2019. Picture taken March 30, 2019. REUTERS/Terray Sylvester

Eric Cohen, 63, who was forced to leave his home when the Kilauea Volcano erupted and covered it with lava last summer, uses a compass to look for his property lines in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Darryl Clinton, 58, who was forced to leave his home after the Kilauea Volcano erupted last summer, stands near a gate damaged by falling lava after returning to his home in Kapoho, in Hawaii, U.S., April 3, 2019. REUTERS/Terray Sylvester

Carrie Fischer, 61, of Kapoho, who was forced to leave her home after the Kilauea Volcano erupted last summer, walks near graffiti on Highway 132 after returning to Kapoho, in Hawaii, U.S., March 29, 2019. Picture taken March 29, 2019. REUTERS/Terray Sylvester TPX IMAGES OF THE DAY

Residents, who were forced to leave their homes after the Kilauea Volcano erupted last summer, drive through a hardened lava flow while returning to Kapoho, in Hawaii, U.S., April 3, 2019. REUTERS/Terray Sylvester

Pauline McLaren, 78, who was forced to leave her home after the Kilauea Volcano erupted last summer, cleans after returning to her house in Kapoho, in Hawaii, U.S., April 2, 2019. Picture taken April 2, 2019. REUTERS/Terray Sylvester

Diane Cohen, 64, (R) who was forced to leave her home when the Kilauea Volcano erupted and covered it with lava last summer, walks across her property with her friend, Sara Lau, in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Harald Fischer, 61, of Kapoho, who was forced to leave his home after the Kilauea Volcano erupted last summer, looks at hardened lava after returning to Kapoho, in Hawaii, U.S., March 29, 2019. Picture taken March 29, 2019. REUTERS/Terray Sylvester

Carrie Fischer, 61, of Kapoho, who was forced to leave her home after the Kilauea Volcano erupted last summer, looks at hardened lava after returning to Kapoho, in Hawaii, U.S., March 29, 2019. Picture taken March 29, 2019. REUTERS/Terray Sylvester

Diane Cohen, 64, who was forced to leave her home when the Kilauea Volcano erupted and covered it with lava last summer, plants coconut trees on her property in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

A lava flow created when the Kilauea Volcano erupted last summer is seen near graffiti on Highway 132 in Kapoho, Hawaii, U.S., March 28, 2019. Picture taken March 28, 2019. REUTERS/Terray Sylvester

Darryl Clinton, 58, who was forced to leave his home after the Kilauea Volcano erupted last summer, stands near his home after returning to Kapoho, in Hawaii, U.S., April 3, 2019. REUTERS/Terray Sylvester

Darryl Clinton, 58, of Kapoho, who was forced to leave his home after the Kilauea Volcano erupted last summer, looks at a hardened lava flow near his home after returning to Kapoho, in Hawaii, U.S., April 3, 2019. REUTERS/Terray Sylvester

Eric Cohen, 63, who was forced to leave his home when the Kilauea Volcano erupted and covered it with lava last summer, stands on a ridge of cooling lava near his property in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Mugs are seen in the wreckage of a house that burned while the Kilauea Volcano erupted last summer in Kapoho, in Hawaii, U.S., April 2, 2019. Picture taken April 2, 2019. REUTERS/Terray Sylvester

Eddie McLaren and his wife, Pauline, who were forced to leave their home after the Kilauea Volcano erupted last summer, work in their yard near a hardened lava flow after returning to Kapoho, in Hawaii, U.S., April 2, 2019. Picture taken April 2, 2019. REUTERS/Terray Sylvester

Eddie McLaren and his wife, Pauline, who were forced to leave their home after the Kilauea Volcano erupted last summer, work in their yard near a hardened lava flow after returning to their house in Kapoho, in Hawaii, U.S., April 2, 2019. Picture taken April 2, 2019. REUTERS/Terray Sylvester

Eric Cohen, 63, who was forced to leave his home when the Kilauea Volcano erupted and covered it with lava last summer, stands on a ridge of cooling lava near his property in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

After a rain storm, steam rises from a lava flow created when the Kilauea Volcano erupted last summer in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Dominic Tidmarsh, 55, who was forced to leave his home after the Kilauea Volcano erupted last summer, returns to the remains of his house in Kapoho, Hawaii, U.S., April 2, 2019. Picture taken April 2, 2019. REUTERS/Terray Sylvester

Dominic Tidmarsh and his wife, Melissa Schelling, who were forced to leave their home after the Kilauea Volcano erupted last summer, return to the remains of their house in Kapoho, in Hawaii, U.S., April 2, 2019. Picture taken April 2, 2019. REUTERS/Terray Sylvester

Eric Cohen, 63, who was forced to leave his home when the Kilauea Volcano erupted and covered it with lava last summer, uses a compass to look for his property lines in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Eric Cohen, 63, who was forced to leave his home when the Kilauea Volcano erupted and covered it with lava last summer, looks for landmarks on his property in Kapoho, in Hawaii, U.S., April 1, 2019. Picture taken April 1, 2019. REUTERS/Terray Sylvester

Lava erupts from a fissure east of the Leilani Estates subdivision during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., May 13, 2018. REUTERS/Terray Sylvester SEARCH "POY GLOBAL" FOR FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2018 PACKAGES. TPX IMAGES OF THE DAY.

People watch from a tour boat as lava flows into the Pacific Ocean in the Kapoho area, east of Pahoa, during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 4, 2018. REUTERS/Terray Sylvester SEARCH "POY GLOBAL" FOR FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2018 PACKAGES. TPX IMAGES OF THE DAY.

Lava erupts from a fissure east of the Leilani Estates subdivision during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., May 13, 2018. REUTERS/Terray Sylvester SEARCH "POY GLOBAL" FOR FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2018 PACKAGES. TPX IMAGES OF THE DAY.

People watch from a tour boat as lava flows into the Pacific Ocean in the Kapoho area, east of Pahoa, during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 4, 2018. REUTERS/Terray Sylvester SEARCH "POY GLOBAL" FOR FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2018 PACKAGES. TPX IMAGES OF THE DAY.

Trees stand near a lava flow on the outskirts of Pahoa during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 6, 2018. REUTERS/Terray Sylvester SEARCH "SYLVESTER STAYERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Lava illuminates an evacuated house on the outskirts of Pahoa during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 6, 2018. REUTERS/Terray Sylvester SEARCH "SYLVESTER STAYERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY

Lava flows on the outskirts of Pahoa during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 6, 2018. REUTERS/Terray Sylvester SEARCH "SYLVESTER STAYERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Mark Clawson, 64, sits on his porch on the outskirts of Pahoa above recent lava flows during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 6, 2018. REUTERS/Terray Sylvester SEARCH "SYLVESTER STAYERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

With a plume of volcanic emissions, or laze (a term combining lava and haze), rising above him, Josh Doran, 22, repairs one of his family's greenhouses on the outskirts of Pahoa during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 7, 2018. REUTERS/Terray Sylvester SEARCH "SYLVESTER STAYERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Lava erupts from Fissure Number 8 in Leilani Estates during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 7, 2018. REUTERS/Terray Sylvester SEARCH "SYLVESTER STAYERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

With a plume of volcanic emissions, or laze (a term combining lava and haze) rising above him, Josh Doran, 22, repairs one of his family's greenhouses on the outskirts of Pahoa during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 7, 2018. REUTERS/Terray Sylvester SEARCH "SYLVESTER STAYERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Offerings to Pele, the Hawaiian volcano goddess, are seen in the gate of an evacuated home near a lava flow on the outskirts of Pahoa during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 6, 2018. REUTERS/Terray Sylvester SEARCH "SYLVESTER STAYERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A plume of laze, composed of steam, acid and volcanic glass, rises into the sky as lava flows into the Pacific Ocean in the Kapoho area, on the outskirts of Pahoa, during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 7, 2018. REUTERS/Terray Sylvester SEARCH "SYLVESTER STAYERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY.

Clouds of laze, composed of steam, acid and volcanic glass, rise from lava flowing into the Pacific Ocean in the Kapoho area, on the outskirts of Pahoa, during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 7, 2018. REUTERS/Terray Sylvester SEARCH "SYLVESTER STAYERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

In a long-exposure photograph, lava flows on the outskirts of Pahoa during ongoing eruptions of the Kilauea Volcano in Hawaii, U.S., June 6, 2018. REUTERS/Terray Sylvester SEARCH "SYLVESTER STAYERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.