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Hawaii volcano erupts in 6-mile-high plume; 'ash fallout' alert issued

By TERRAY SYLVESTER
Reuters

May 17. 2018 9:20PM
Hawaii National Guard soldiers wear masks to protect themselves from volcanic gases in Pahoa during ongoing eruptions of the Kilauea Volcano in Hawaii on Thursday (REUTERS/Terray Sylvester)



PAHOA, Hawaii — Hawaii's Kilauea volcano spewed ash nearly six miles into the air on Thursday and scientists warned this could be the first of a string of explosive eruptions in the crater.

"This has relieved pressure temporarily," U.S. Geological Survey geologist Michelle Coombs told a news conference in Hilo. "We may have additional larger, powerful events."

Residents of the Big Island were warned to take shelter from the ash as toxic gas levels spiked in a small southeast area where lava has burst from the ground during the two-week eruption, authorities said.

The wind could carry Kilauea's ash plume as far as Hilo, the Big Island's largest city and a major tourism center, the County of Hawaii Civil Defense warned in an alert.

"Protect yourself from ash fallout," it said.

Geologists said the 4:15 a.m. (10:15 a.m. EDT) explosion was likely the first in a series of steam-driven blasts last seen in 1924, rather than "the big one" that nervous residents had feared as Kilauea was rocked by earthquakes in recent days.

A spike in toxic sulfur dioxide gas closed schools around the village of Pahoa, 25 miles east of the volcano, where lava from fissures has destroyed 37 homes and other structures and forced about 2,000 residents to evacuate. National guard troops were forced to don gas masks at a nearby road intersection, according to a Reuters reporter.

Civil defense workers handed out one ash mask per family member in communities close to Kilauea, such as the village of Volcano, which was expected to receive a 1/32 of an inch dusting of ash, according to USGS estimates.

USGS geologists and staff were evacuated from the Kilauea summit shortly before the explosion.

'Tall but small'

Thursday's eruption lasted only a few minutes, said Coombs who called it "a big event that got people's attention, but did not have widespread impact."

"Tall but small," she said of Thursday's plume.

An aviation red alert was in effect due to risks ash could be carried into aircraft routes and damage jet engines, USGS said. Passenger jets generally cruise at around 30,000 feet, the height of Thursday's plume.

Pahoa fire station on Thursday morning recorded a "red level" of sulfur dioxide, meaning it would cause choking and an inability to breathe, Fenix Grange of the Hawaii Department of Health told a news conference in Hilo. "If it's red, it's get out of Dodge," She said. "We're trying to create a ring around sulfur dioxide so we can protect people."

Across the Big Island home to 200,000 residents, people were encouraged to avoid driving in ashfall areas, as the powdered rock makes roads slippery, and not go outdoors unless necessary.


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