Kilauea eruption prompts red alert on Hawaii's Big Island

Kilauea is one of the most active volcanoes in the world.

June 3, 2024, 5:45 PM

Kilauea, one of the most active volcanoes in the world, has begun to erupt again, according to the U.S. Geological Survey.

Lava began to emerge from the summit of the famed volcano, located at Hawaii Volcanoes National Park on the Big Island, around 12:30 a.m. local time, prompting the USGS to raise the alert level to red.

A red alert signifies that a volcanic eruption is imminent, underway or suspected, with potential hazardous activity on the ground and in the air.

Due to the remote location of this eruption, the primary hazards are airborne hazards related to gas emissions and tephra (rock fragments) being blown down wind of the eruption, the USGS said. Current volcano activity is restricted to the summit region, and no lava is visible from accessible areas in the park.

The eruption occurred about a mile south of the Kīlauea Caldera and north of the Koa'e fault system and Hilina Pali Road, within Hawaii Volcanoes National Park, but in a closed, rugged area, according to the USGS.

PHOTO: Kilauea began erupting about 12:30 AM HST, June 3, 2024 south of the caldera and north of the Koa'e fault system and Hilina Pali Road, within Hawai'i Volcanoes National Park.
Kilauea began erupting about 12:30 AM HST, June 3, 2024 south of the caldera and north of the Koa'e fault system and Hilina Pali Road, within Hawai'i Volcanoes National Park.
USGS Volcanoes

The open fissure is more than a mile long, a USGS spokesperson told ABC News. The lava has varied in height and vigor, with some eruptions spewing up to 65 feet, the spokesperson said. Gas was also being emitted from the fissure, the spokesperson noted, and the last time there was an eruption like this was in 1974, which was far more voluminous and covered a much larger area.

Lava flows are thin and have only traveled a few hundred yards from the fissures, the USGS said. Numerous large ground cracks have formed in the vicinity of the eruption.

This eruption could continue for a few hours to a couple of days, the spokesperson said.

PHOTO: Kilauea began erupting about 12:30 AM HST, June 3, 2024 south of the caldera and north of the Koa'e fault system and Hilina Pali Road, within Hawai'i Volcanoes National Park.
Kilauea began erupting about 12:30 AM HST, June 3, 2024 south of the caldera and north of the Koa'e fault system and Hilina Pali Road, within Hawai'i Volcanoes National Park.
USGS Volcanoes

Officials have not yet observed a Pele's hair -- volcanic glass formation produced from cooled lava and stretched into thin strands -- at the site.

Officials are closely monitoring the volcano for signs of increasing or decreasing activity, the USGS said. Researchers are also collecting emissions data from the volcanic gases and steam being emitted from the eruptive fissure and nearby cracks.

More than 400 earthquakes occurred over the past 24 hours, with most of them occurring between noon Sunday and midnight Monday, just before the eruption began, the USGS said. The largest earthquake, measuring at magnitude 4.1, occurred at 9:12 p.m. Sunday.

Past eruptions at Kilauea have proven to be destructive. Heavy lava flow destroyed more than 600 properties in 2018 as it traveled from the Kilauea summit to the ocean.

PHOTO: Lava erupts in the Crater of the Kilauea Volcano. After three months of inactivity, the Kilauea volcano resumed eruptions on June 7, 2023 in Kilauea, HI.
Lava erupts in the Crater of the Kilauea Volcano. After three months of inactivity, the Kilauea volcano resumed eruptions on June 7, 2023 in Kilauea, HI.
Erik Kabik Photography/Mediapunch/AP, FILE

A mechanism similar to a "stomp-rocket toy" contributed to the severity of the lava flow that year and could affect future eruptions similarly, according to a paper published last week in Nature Geosciences.

Continual eruptions since 2018 have not been as severe.

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