Mauna Loa and Kilauea are


Hawaii’s Mauna Loa volcano quieting down

Hawaii’s Mauna Loa volcano quieting down, scientists say: CBS News Flash Dec. 12, 2022


Two of Hawaii’s Big Island’s lively volcanoes — Mauna Loa and Kilauea — are “no longer erupting,” scientists from the Hawaiian Volcano Observatory (HVO) introduced Tuesday.

Alert ranges for each Mauna Loa and Kilauea have been decreased from “watch” to “advisory” in response to HVO, which is a part of the U.S. Geological Survey. 

The HVO mentioned it’s persevering with to “closely monitor” each volcanoes for “signs of renewed activity.” 

Mauna Loa began erupting on Nov. 27, its first eruption since 1984. It additionally marks the primary time since 1984 that Mauna Loa and Kilauea had twin eruptions. Officials mentioned Mauna Loa’s newest eruption didn’t pose a big menace to residences or folks — although its lava acquired shut to a significant freeway. 

Mauna Loa Volcano
The Mauna Loa Volcano is seen from the air close to Kailua-Kona, Hawaii, on Dec. 12, 2022. 

ROBYN BECK/AFP by way of Getty Images

While it’s now not spewing lava in direction of the Daniel Okay. Inouye Highway, Mauna Loa has a vent that continues to be a hazard, the HVO mentioned.

“A vent on the west side of the fissure 3 cone remains incandescent and occasionally produces small explosions as trapped gasses are released,” HVO mentioned. “The lava flows around the vent remain hot and unstable. The vent area is also cut by numerous ground cracks.”

Kilauea’s newest eruption started in September 2021 and placed on a present with 100-foot lava fountains, however didn’t trigger injury to property. This was in distinction to an eruption in 2018 which destroyed lots of of properties and brought about widespread injury to infrastructure at Hawaii Volcanoes National Park.

The HVO says lingering volcanic gasses proceed to be a hazard at Kilauea, along with floor instability.

“Levels of volcanic gas (sulfur dioxide and carbon dioxide) can remain locally hazardous even though Kīlauea is no longer erupting,” the HVO assertion sread. “Significant hazards also remain around Halemaʻumaʻu from crater wall instability, ground cracking, and rockfalls that can be enhanced by earthquakes within the area closed to the public.”

The HVO reviews that “eruptive activity” just isn’t anticipated to return to Mauna Loa. However, for Kilauea, the “potential remains for resumption” of the present eruption, “or initiation of a new eruption.” 

Mauna Loa Volcano Erupts In Island Of Hawaii
An aerial view of the floor of the Kilauea volcanoon Dec. 9, 2022, in Kilauea, Hawaii. 

Andrew Richard Hara / Getty Images


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