MAUMERE – Residents donned masks to shield themselves from the dense volcanic ash covering roads and emerald rice fields across villages in south-central Indonesia, as Mount Lewotobi Laki Laki erupted for the second consecutive day on Tuesday.

The dawn eruption propelled lava and ash clouds as high as 4 kilometers (2.4 miles). This followed a midday eruption on Monday, which sent volcanic material soaring up to 18 kilometers (11 miles) into the air, along with an evening burst that released lava and pushed ash clouds as high as 13 kilometers (8 miles).

Images and videos shared on social media depicted frightened residents fleeing under the ash and gravel rain, while motorists grappled with driving motorbikes and cars amidst the reduced visibility, as the ash clouds from Monday’s eruption billowed into a mushroom shape.

No casualties have been reported from the latest eruptions of the volcano that has been at the highest alert level since June 18 when its no-go zone was expanded to a 7-kilometer (4.3-mile) radius, said Abdul Muhari, the National Disaster Mitigation Agency spokesperson.

“People around the volcano have increasingly understood how to minimize the impact of disaster risks as eruptions became more frequent since the end of 2023,” Muhari said in a statement.

The eruptions of the volcano on on Flores Island affected more than 10,000 people in 10 villages in East Flores and Sikka districts, according to initial assessments by the local disaster management agency.

Thick volcanic ash and rocks were reported to have fallen in villages of Nawakote, Klantanio, Hokeng Jaya, Boru, Pululera and Wulanggitang, where roads and green rice fields were transformed into grey thick mud and rocks, said Very Awales, an public information official at Sikka district administration, adding that schools were closed in those affected areas since Monday to protect students and staff from various hazards due to volcanic activities.

“The smell of sulfur and ash hung so thickly in the air that breathing was painful,” Awales said.

Authorities distributed 50,000 masks and urged residents to limit outdoor activities to protect themselves from volcanic materials. Residents were also urged to be vigilant about heavy rainfall that could trigger lava flows in rivers originating from the volcano.

The eruption of Lewotobi Laki Laki followed its eruption in November 2024 that killed nine people and injured dozens.

The Geology Agency recorded an avalanche of searing gas clouds mixed with rocks and lava traveling up to 5 kilometers (3 miles) down the slopes of the 1,584-meter (5,197-foot) mountain Monday. Observations from drones showed lava filling the crater, indicating deep movement of magma that set off volcanic earthquakes. Volcanic materials, including hot thumb-size gravel, were thrown up to 8 kilometers (5 miles) from the crater.

Muhari said two airports in the cities of Maumere and Larantuka in East Nusa Tenggara province remained closed Tuesday.

Dozens of flights to and from the Ngurah Rai international airport on the resort island of Bali were delayed or canceled, but airport spokesperson Ahmad Syaugi Shahab said the airport was running normally despite the cancellations, as monitoring showed the volcanic ash had not affected Bali’s airspace.

Monday’s initial eruption of Lewotobi Laki Laki was one of Indonesia’s largest since 2010 when Mount Merapi, the country’s most volatile volcano, erupted on the densely populated island of Java. That killed 353 people and forced over 350,000 people to evacuate.

Indonesia is an archipelago of more than 280 million people with frequent seismic activity. It has 120 active volcanoes and sits along the “Ring of Fire,” a horseshoe-shaped series of seismic fault lines encircling the Pacific Basin.

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Karmini reported from Jakarta. Associated Press journalists Edna Tarigan and Firdia Lisnawati contributed to this report.