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By Jolyn Rosa
HONOLULU (Reuters)

A fast-moving lava flow from Hawaii’s Kilauea volcano led officials to close a highway on Tuesday and warn that sharp, thin strands of volcanic glass fibres carried on the wind could injure eyes and lungs, in its biggest eruption cycle in a century

Hawaii County’s civil defence agency said lava was quickly approaching Highway 132, prompting the closure from Lava Tree State Park to Four Corners, and warned residents to monitor their radios and phones for updates and evacuation orders.

Earlier on Tuesday, a small explosion of ash erupted from the summit of the volcano early in a vertical plume some 15,000 feet (4,600 meters) high, the U.S. Geological Survey said, the latest outburst in a month of volcanic activity.

 

Volcanic gases rise from the Kilauea lava flow that crossed Pohoiki Road near Highway 132, near Pahoa, Hawaii
Volcanic gases rise from the Kilauea lava flow that crossed Pohoiki Road near Highway 132, near Pahoa, Hawaii, U.S., May 28, 2018. REUTERS/Marco Garcia

 

The agency warned that ash was drifting northwest and liable to affect anyone in the summit area. Hundreds of people have been ordered to leave the vicinity of one of the world’s most active volcanoes.

Kilauea, one of the world’s most active volcanoes, entered its fourth week of what may be an unprecedented, simultaneous eruption at its summit crater and along a six-mile (9.7-km) string of fissures 25 miles (40 km) down its east flank.

 

Lava shoots out of a fissure in the Leilani Estates near Pahoa, Hawaii
Lava shoots out of a fissure in the Leilani Estates near Pahoa, Hawaii. REUTERS/Marco Garcia

 

Lava flows from multiple fissures have blocked roads and damaged dozens of buildings on Hawaii’s Big Island.

One fountain of lava rose more than 200 feet (60 meters) at times on Monday, the Geological Survey said.

Officials are on high alert for occasional earthquakes, though most have been small.

 

Lava approaches Puna Geothermal Venture, bottom left, in the Leilani Estates near Pahoa, Hawaii
Lava approaches Puna Geothermal Venture, bottom left, in the Leilani Estates near Pahoa, Hawaii, U.S., May 28, 2018. REUTERS/Marco Garcia

 

Lava has engulfed the heads of two wells that tap into steam and gas deep into the Earth at the 38-megawatt Puna Geothermal Venture electrical plant, which used to produce 1/4 of the Big Island’s electricity. Its operator, Israeli-controlled Ormat Technologies Inc, said it had not been able to assess the damage.

 

Lava pours into the ocean after crossing Highway 137 near Kapoho, Hawaii
Lava pours into the ocean after crossing Highway 137 near Kapoho, May 28, 2018. REUTERS/Marco Garcia

 

So far no deaths have been blamed on the eruption, though a man’s leg was shattered when he was hit by a plate-size chunk of lava rock.

Residents fear the electrical plant’s deep geothermal wells may be explosive. Officials have said the power plant is safe but lava has never engulfed a geothermal plant anywhere in the world, creating a measure of uncertainty.

 

 

Contingency plans have been made for a possible helicopter evacuation of up to 1,000 residents in a coastal area south of the fissures should their last exit route, State Highway 130, become blocked by lava or become unsafe due to gaping cracks, County of Hawaii officials said.

At least 82 homes have been destroyed in the southeastern corner of Big Island and about 2,000 people have been ordered evacuated since Kilauea began erupting on May 3.

 

(Reporting by Jolyn Rosa; Writing and additional reporting by Jonathan Allen and Sharon Bernstein; Editing by Jonathan Oatis and Sandra Maler)

 

A news reporter takes pictures of the Kilauea lava flow that crossed Pohoiki Road near Highway 132, near Pahoa, Hawaii
A news reporter takes pictures of the Kilauea lava flow that crossed Pohoiki Road near Highway 132, near Pahoa, Hawaii, U.S., May 28, 2018. REUTERS/Marco Garcia

 

Lava approaches Puna Geothermal Venture in the Leilani Estates near Pahoa, Hawaii
Lava approaches Puna Geothermal Venture in the Leilani Estates near Pahoa, Hawaii. REUTERS/Marco Garcia
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