Small Kilauea eruption sends ash plume 7K feet

Lava, acid rain, vog, sulfur dioxide and now 'laze:' New deadly threat emerges from Hawaii volcano

Lava, acid rain, vog, sulfur dioxide and now 'laze:' New deadly threat emerges from Hawaii volcano

The U.S. Coast Guard is warning boat operators to stay away from the ocean entry point for lava flows from Kilauea, the volcano on Hawaii's Big Island that is now in a high-activity phase.

"Be aware of the laze hazard and stay away from any ocean plume", the agency said, warning that potential hazards include lung damage, as well as eye and skin irritation.

Lava flows have picked up speed in recent days, spattering molten rock that hit a man in the leg.

Authorities cautioned, however, that wind patterns can change abruptly.

Many thousands more residents have voluntarily left their homes due to life-threatening levels of toxic sulfur dioxide gas spewing from vents in the volcanic fissures.

"Like typical eruptions and lava flows, it's really allowing Madam Pele to run its course", Hawaii Governor David Ige said, referring to the Hawaiian goddess of volcanoes and fire.

The man was hit on the leg and shattered everything from the shin down to his foot, the spokesperson said. Remarkably, so far, there's only been one serious eruption-related injury. And Kilauea Volcano's summit had several small ash emissions Sunday, releasing plumes of gas and billowing steam.

The gas clouds initially appear on the shoreline, but trade winds on Sunday carried plumes about 15 miles (24 kilometres) to the southwest.

"Most of them (lava bombs) arc high in the air, but every now and again there's one that gets shot like a rifle, more horizontal and that's what happened here", he said.

Further upslope, lava continued gushing out of large cracks in the ground in residential neighbourhoods in a rural part of the Big Island.

Civil defense notices cautioned motorists, boaters and beachgoers to beware of caustic plumes of "laze" formed from two streams of hot lava pouring into the sea after cutting across Highway 137 on the south coast of Hawaii's Big Island late on Saturday and early Sunday.

WATCH: There have been some risky developments on Hawaii's Big Island over the weekend, as lava from the Mount Kilauea volcano has blocked a major highway.

Around 2,000 people have been evacuated from their homes, including 300 who are staying in shelters. Brantley said it will likely not be known if the eruptions have produced more "ballistic blocks" until it is safe for scientists to return to the summit.

Aside from the more explosive activity at Kilauea's Halema'uma'u summit crater, most of the eruption's danger comes from the lava-effusing fissures that have opened up across the East Rift Zone (ERZ).

"I think we're moving into phase two and that's where we're going to see increased activity, potentially higher fountains, more lava flows".

Kīlauea-which rises 4,190 feet above Hawaii's Big Island, making up around 14 percent of its total area-is one of the world's most active volcanoes.

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