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Kilauea: Hawaii volcano erupts again spewing toxic gases and volcanic smog

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Kilauea: Hawaii volcano erupts again spewing toxic gases and volcanic smog


Hawaii’s Kīlauea volcano has entered its fifth eruptive episode since late December 2024, resuming activity at 2:57 p.m. HST (7:57 p.m. ET) on January 22, 2025.

Fountains of lava between 16 and 33 feet high have been observed, accompanied by a short lava flow from the volcano’s north vent.

The U.S. Geological Survey (USGS) reported seismic tremor increasing as the eruption began, with ongoing inflation beneath Halemaʻumaʻu crater indicating continued activity.

“Once sufficient pressure builds, it can push magma up to the surface to start another eruptive episode,” Katie Mulliken, a geologist at the Hawaiian Volcano Observatory (HVO), told Newsweek.

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“Episodes are marked by the onset of lava fountains and rapid deflation of the source magma chamber.”

This zoom view of the two active lava fountains within Halema‘uma‘u at the summit of Kīlauea was captured by USGS Hawaiian Volcano Observatory geologists during an observational visit to the southern crater rim on the…


USGS

Why This Matters

Kīlauea is one of the most active volcanoes in the world, having erupted dozens of times since 1952.

While the current eruption is by no means the largest or longest at the volcano, significant hazards persist for residents and visitors.

How Dangerous is the Hawaii Eruption?

Kīlauea’s current eruption activity remains confined within the Halemaʻumaʻu crater and Kaluapele, located in Hawai’i Volcanoes National Park. While the activity is contained within a closed area of the National Park, the HVO has warned of several hazards.

Volcanic gas emissions of water vapor, carbon dioxide and sulfur dioxide are the “primary concern,” as they can be blown over large distances. Sulfur dioxide, in particular, reacts with the atmosphere to form a visible haze known as volcanic smog, or “vog”.

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Anyone’s health can be impacted when inhaling vog, but sensitive groups such as people with respiratory conditions, older adults, children and pregnant women should exercise extra caution.

Current air quality data from the Hawaii State Department of Health shows conditions have not deteriorated as of yet, with all monitoring stations at “good” levels on the island.

Pele’s hair—strands of volcanic glass produced by lava fountains and carried by the wind—is another hazard associated with eruptions at Kīlauea.

“As lava is ejected through the air, lava particles can be stretched apart, and the material in between can become very thin and form the glassy strands,” Mulliken said.

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“It can sometimes cluster and tangle together on the ground, giving it the appearance of a tumbleweed.”

Mulliken confirmed that during the fourth eruptive episode, which ended on January 18, Pele’s hair reached residential communities within several miles of the summit.

She added, “Hazards associated with Pele’s hair are similar to those associated with volcanic ash. Both are abrasive particles with sharp edges that can irritate eyes, respiratory systems and skin.

“Most Pele’s hair is too large to be inhaled, but people with existing respiratory diseases, like asthma, might find that their symptoms are worse when they are exposed to airborne volcanic particles.”

Anyone in the area is advised to limit exposure to volcanic gases and Pele’s hair where possible.

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What Happens Next

Live webcams positioned at Kīlauea’s summit reveal the eruption was still ongoing as of 2:14 a.m. HST (7:14 a.m. ET).

HVO is continuing to monitor the situation and is expected to release another update later this morning.

Each eruptive episode at Kīlauea has lasted between 14 hours and 8 days, separated by a pause of 1 to 12 days. Its unclear how long this current episode will last.

Do you have a tip on a science story that Newsweek should be covering? Do you have a question about volcanic eruptions? Let us know via science@newsweek.com.

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Hawaiian announces $600 million airport, wide-body upgrades | Honolulu Star-Advertiser

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COURTESY HAWAIIAN AIRLINES

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Hawaiian Airlines today announced an investment of more than $600 million over five years to improve airport passenger areas across the state and interior upgrades to widebody aircraft.

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Hawaiian Airlines CEO Diana Birkett Rakow told the Honolulu Star-Advertiser ahead of today’s announcement at Daniel K. Inouye International Airport that other improvements will include better apps, a better website that will make it easier for passengers to change flights, among other things that also include better integration with Alaska Airlines, which acquired Hawaiian in 2024, making it a subsidiary of Alaska Air Group.

“We have pushed a lot of change through the system for the last couple of months,” Rakow said. “We’re working on integrating our ticketing systems because right now we’re on two separate ticketing systems that don’t talk to each other.”

After late April, she said, booking on the shared Alaska Air and Hawaiian Air ticketing system “will be much more seamless.”

In announcing the renovations and changes, Hawaiian pledged “a significantly smoother guest experience … once Hawaiian Airlines and Alaska Airlines share the same passenger service system and Hawaiian Airlines joins the oneworld alliance, both scheduled for late April.”

Right now, Rakow acknowledged, “unfortunately there is some friction.”

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“There’s been so many changes and all of that friction is really painful,” she said. “We are committed to making sure we are addressing the issues. … We are certainly not perfect, but we are committed to working together. … Really, after April, it is going to improve significantly.”

Each island airport also will see renovated lobbies and gates designed to increase comfort, provide better seating and amenities such as improved power charging.

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Daniel K. Inouye International also will get a new 10,600-square-foot lounge at the entrance of the Mauka Concourse in Terminal 1.

And starting in 2028, Hawaiian’s wide-body Airbus A330s will get new seats, carpets, lighting, business class suites, a Bluetooth-enabled in-flight entertainment system with high-definition screens and free Starlink Wi-Fi.

Gov. Josh Green said in a statement ahead of today’s announcement that, “Hawaiian Airlines’ investment is exactly the kind of long-term commitment Hawaiʻi needs. Modern, welcoming airports improve the experience for residents and visitors alike, strengthen our economy and keep Hawaiʻi competitive as a global destination. We appreciate Hawaiian Airlines’ partnership in advancing workforce development, regenerative tourism, clean energy, and community programs that reflect the values of our islands.”

The New Year began with a .75% increase in Hawaii’s Transient Accommodations Tax that will help the state fight climate change.

Rakow said that Hawaiian is working to better inform inbound passengers about how to respect Hawaii’s culture and environment.

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Hawaiian said it will continue to support “programs promoting regenerative tourism, culture and conservation.”

The airline also said it will fund grants to nonprofit organizations “promoting cultural programs, environmental preservation, and perpetuation of native Hawaiian art and language through the Alaska Airlines | Hawaiian Airlines Foundation.”




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