Hawaii Volcano Could Have Explosive Eruption

Hawaii Volcano Could Have Explosive Eruption

Magno said the 12,000 gallons would be moved Wednesday to an industrial park at a safe distance from the fissures, and that the county is "planning to remove the rest".

The USGS also said ash clouds would rise to greater elevations, dispensing ash over wider areas.

Scientists with the Hawaiian Volcano Observatory say that if the lava column drops to the level of groundwater beneath Kīlauea Caldera, influx of water into the conduit could cause steam-driven explosions. At that point, steam pressure builds then explodes.

The USGS warned that more violent eruptions could shoot "ballistic blocks" weighing up to several tons for 1 km (0.6 mile), spew pebble-sized rocks several miles and cover dozens of miles with ash.

Gas emitted during steam-drive explosions will be mainly steam, but will include some sulfur dioxide (SO2) as well.

Those fumes are called "vog" - or volcanic fog.

Hawaii estimates responding to Kilauea's eruption could cost more than $2.9 million in the next month.

Evacuee David Nail was anxious to learn if his house had been destroyed in the neighbouring Leilani Estates area.

Hawaiian Volcano Observatory confirmed that a new, 15th fissure near the entrance of the Lanipuna subdivision is actively erupting this afternoon.

It would be "very, very hazardous" if a volcanic vent were to open under the facility where the fuel is stored, the governor said.

He says the plant expects to finish removing the gas by the end of Thursday.

Aluminum roofing material lays on the foundation of a home that was engulfed by lava along Leilani Avenue in the Puna District of the Big Island. But some ignored the order and stayed to watch over their property.

For people with asthma and other respiratory problems, "the effects are much more serious, causing a tightening of the airways in the lungs and making it very hard to breathe", the university says. There was no sign of holdouts in Lanipuna afterward, he said.

Kilauea is one of the five volcanoes in the region and is the most active volcano of the world. The 500-foot fissure appeared in Leilani Estates.

Fourteen fissures have opened since Kilauea started spraying fountains of lava up to 300 feet (90 meters) from the vents.

There's no indication when the eruption might stop, or how far the lava might spread.

As of late afternoon on Tuesday the lava flows had ceased, however the United States Geological Survey is warning the risk is still present.

Evans spoke to other residents this week who lived in the lava's path of destruction.

"I'm in my truck right now on my way up the road", he said. "I guess it's kind of mixed emotions". "If I see a threat, I'm out of here", he said. "We don't know what's going on underground".

"There's no coverage for the initial eruption, unless the property is damaged by the lava flow, or there is a fire after the eruption - fire is a covered peril", Wraight said.

"In this case in Hawaii, a lot of these are preexisting cracks that are in the ground due to either previous eruptions or due to the slow motion of this unstable slope that's over time sliding into the ocean", Gallen said.

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