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Major eruption of Hawaii's Kilauea is 'imminent'

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Fears are growing that Hawaii's Kilauea is heading for a major volcanic eruption.

The US Geological Survey has raised the alert for the volcano from orange to red, meaning a "major volcanic eruption is imminent, under way, or suspected with hazardous activity both on the ground and in the air".

The volcano on Big Island is one of the world's most active but its activity level has increased substantially over the past 12 days.

Lava flows at a lava fissure in the aftermath of eruptions from the Kilauea volcano on Hawaii's Big Island, on May 12, 2018 in Pahoa, Hawaii © Getty Lava flows at a lava fissure in the aftermath of eruptions from the Kilauea volcano on Hawaii's Big Island, on May 12, 2018 in Pahoa, Hawaii

Hawaiian Volcano Observatory deputy scientist in charge Steve Brantley said: "We're observing more or less continuous emission of ash now with intermittent, more energetic ash bursts or plumes."

A 20th fissure opened on the volcano's sideearlier in the week, the 300m-long crack releasing more lava and gas, and sending a plume of ash and smoke as high as 12,000ft.

There were reports of ash and vog (volcanic air pollution) falling as far as 18 miles downwind, the USGS said.

People play golf as an ash plume rises in the distance from the Kilauea volcano on Hawaii's Big Island on May 15, 2018 in Hawaii Volcanoes National Park, Hawaii © Getty People play golf as an ash plume rises in the distance from the Kilauea volcano on Hawaii's Big Island on May 15, 2018 in Hawaii Volcanoes National Park, Hawaii

In a warning notice they added: "Ash emission from the Kilauea summit vent will likely be variable with periods of increased and decreased intensity depending on the occurrence of rockfalls into the vent and other changes within the vent.

"At any time, activity may become more explosive, increasing the intensity of ash production and producing ballistic projectiles near the vent."

There have been no reports of major injuries or death but 2,000 residents of the Leilani Estates in the Puna district were ordered to leave their homes after the fissures first appeared.

Stars shine above as a plume rises from the Halemaumau crater, illuminated by glow from the crater's lava lake, within the Kilauea volcano summit at the Hawaii Volcanoes National Park on May 9, 2018 © Getty Stars shine above as a plume rises from the Halemaumau crater, illuminated by glow from the crater's lava lake, within the Kilauea volcano summit at the Hawaii Volcanoes National Park on May 9, 2018

Dozens of homes and swathes of farmland in that area have been destroyed.

Leilani Estates residents got a text message on Friday warning they would have hardly any time to escape in the event of future eruptions.

Roann Okomura, an official at one of the evacuation shelters, had said: "We are telling people to plan for the worst. They should have a plan A, a plan B and a plan C."

Lava emerges from the ground after Kilauea Volcano erupted, on Hawaii's Big Island © Reuters Lava emerges from the ground after Kilauea Volcano erupted, on Hawaii's Big Island

There are also widespread fears that thousands of residents along the volcano's eastern flank could have their escape routes cut off by lava flows.

Meanwhile, officials sent text messages to the island's residents warning that the ash spewing from the volcano, bringing dangerous level of sulphur dioxide gas, could cause eye irritation and breathing problems.

The National Weather Service warned: "Persons with respiratory illnesses should remain indoors to avoid inhaling the ash particles and all persons outside should cover their mouth and nose with a mask or cloth."

Slideshow: Satellite views of a changing world (GES) 

undefined Satellite views of a changing world

US President Donald Trump declared a disaster on Friday following a request from Hawaii's governor, David Ige.

The move frees up money for emergency repairs to infrastructure such as roads and water supplies, as well as paying for geologists and extra security.

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