Hawaii volcano summit erupts, residents urged to take shelter

 timesofindia.indiatimes.com  5/17/2018 11:09:16 PM 

Hawaii's Kilauea volcano erupted from its summit early Thursday, shooting a huge plume of ash miles into the sky and prompting authorities to urge area residents to take cover. Kilauea is one of the most active volcanoes in the world and one of five on Hawaii's Big Island.

AFP | May 18, 2018, 04:39 IST
LOS ANGELES: Hawaii's Kilauea volcano erupted from its summit early Thursday, shooting a huge plume of ash miles into the sky and prompting authorities to urge area residents to take cover.
The Hawaii Volcano Observatory said the explosion within Kilauea's Halemaumau crater had produced a volcanic cloud that reached as high as 30,000 feet (9,000 meters) and was drifting downwind to the northeast. The observatory said residents living along the path of the ash plume should take shelter, and maintained a code red aviation alert signaled on Tuesday, meaning no air traffic was permitted in the area. "At any time, activity may again become more explosive, increasing the intensity of ash production and producing ballistic projectiles near the vent," it said in a statement. Kilauea is one of the most active volcanoes in the world and one of five on Hawaii's Big Island. It started erupting on May 3, prompting some 2,000 people to flee from their mountainside homes. The latest steam-driven burst on Thursday comes two days after Halemaumau crater sent "ballistic blocks" of rock and another massive plume of volcanic ash shooting into the sky. Kevin Kushel, a resident of the island, told AFP that Thursday's plume of smoke could be seen miles away. "I just went to Pahoa and it's a smoke-filled nightmare, the likes of which I've only imagined from reading about Pompeii," he said. Scientists believe the volcanic activity may be a precursor to a major eruption similar to the one that took place in the mid 1920s. But they say they expect no loss of life given that the most exposed residential areas have been evacuated and the region where the volcano is located -- on the southeastern part of the island -- is not densely populated. Geologists say the latest eruptions are being caused by lava levels substantially draining at the summit. "The magma is something like 300 or 400 meters below the surface, and when that happens, ground water can get that close to the volcano where the magma is and it can heat up steam ... and issue out of the ground explosively," Ken Rubin, who heads the department of geology and geophysics at the University of Hawaii at Manoa, told AFP.

He added that earthquakes caused by the movement of magma usually take place before such eruptions, as has been the case at Kilauea.



"The last time the volcano near the summit was in the same condition as now was in 1924 and in that year, we had about a two-week period of large explosive eruptions out of the summit," he said.

So far, some 40 homes and other buildings have been destroyed by the red-hot lava that has been flowing from the volcano since early this month.

Authorities have warned residents to stay away from the neighborhoods evacuated, warning that toxic sulfur dioxide seeping out of nearly two dozen fissures -- cracks in the ground -- caused by the volcano could prove deadly.
"Severe conditions may exist such as choking and inability to breathe," the county's civil defense agency said earlier this week."This is a serious situation that affects the entire exposed population."


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