Kilauea Volcano Erupts Again, Triggering Ashfall Warnings and Closures

On March 10, 2026, Kilauea volcano on Hawaii's Big Island erupted spectacularly, producing lava fountains that reached heights exceeding 1,300 feet (approximately 400 meters). This marked the 43rd episode of an ongoing eruptive phase that began on December 23, 2024. The eruption commenced around 9:17 a.m. HST, with significant volcanic activity observed at both the north and south vents within the Halema‘uma‘u crater. The U.S. Geological Survey (USGS) reported that the eruption plume rose to altitudes of up to 30,000 feet, with ash and volcanic debris, known as tephra, affecting surrounding communities.

Kilauea Volcano erupts in Hawaii: Lava fountains soar over 1,300 feet promoting ashfall warningNewsweekEpisode 43 of Kilauea eruption features lava fountaining at Halema‘uma‘u : Maui NowNBC NewsUSA TodayKilauea Volcano in Hawaii Erupts, Launching Fiery Lava 400 Meters Into the SkyRare Ashfall Warning issued as Mount Kilauea Volcano erupts for 43rd time, producing large lava fountains

The eruption prompted immediate safety measures, including the temporary closure of Hawaii Volcanoes National Park and portions of Highway 11, a critical transportation route. The National Weather Service issued an ashfall warning, advising residents to stay indoors, seal windows and doors, and avoid unnecessary travel due to the potential health risks associated with volcanic ash. Hawaii County officials opened an emergency shelter for those affected by the closures, although no individuals utilized the facility shortly after its opening.

Hawaii’s Kilauea Volcano Shoots Lava 1,000 Feet High, Forces Closures

Tephra, which can irritate the eyes, skin, and respiratory system, has been reported falling in various communities, with some fragments measuring up to five inches. The fallout has created hazardous conditions, leading to concerns about water catchment systems that many residents rely on.

UsNews and World Report

The USGS raised the Volcano Alert Level to Warning and the Aviation Color Code to Red, indicating a hazardous eruption with significant ash emissions. Hawaii Volcanoes National Park officials noted that the summit was closed due to dangerous conditions from falling tephra. "Avoid the area," they warned, emphasizing the risks posed by volcanic debris.

NewsweekNBC NewsHawaii’s Kilauea Volcano Shoots Lava 1,000 Feet High, Forces ClosuresRare Ashfall Warning issued as Mount Kilauea Volcano erupts for 43rd time, producing large lava fountainsKilauea Volcano erupts in Hawaii: Lava fountains soar over 1,300 feet promoting ashfall warningCBC NewsUSA Today

While officials have implemented safety measures, some residents expressed concerns about the adequacy of the response to the ongoing eruptions. Previous episodes have resulted in extensive ashfall, requiring assistance from civil defense workers for cleanup. Local community members have called for more proactive measures to ensure public safety during such unpredictable volcanic activity.

Rare Ashfall Warning issued as Mount Kilauea Volcano erupts for 43rd time, producing large lava fountains

There are discrepancies regarding the maximum heights of the lava fountains reported by various sources, with some stating heights of 1,000 feet while others report up to 1,300 feet. Additionally, the exact duration of this eruptive episode remains uncertain, as previous episodes have varied significantly in length.

CBC News

As Kilauea continues to erupt, the USGS and local authorities will closely monitor the situation, providing updates on ashfall, road conditions, and park access. Residents and visitors are encouraged to stay informed through official channels and adhere to safety protocols as conditions evolve.

Rare Ashfall Warning issued as Mount Kilauea Volcano erupts for 43rd time, producing large lava fountains

• “Episode 43 of the ongoing Halema‘uma‘u eruption at Kilauea summit began around 9:17 a.m. HST on March 10, 2026, and is continuing at this time.” — Hawaiian Volcano Observatory

Newsweek

• “Avoid the area,” officials warned on the park's Facebook page, highlighting the dangers posed by tephra fall. — Hawaii Volcanoes National Park

USA Today