A volcanic ash cloud from an eruption in Russia disrupted air travel in Alaska on Tuesday, prompting Alaska Airlines to ...

Volcanic ash originating from Russia’s Kamchatka Peninsula canceled Alaska Airlines flights to Nome and Kotzebue Tuesday ...

Volcanic ash forms when viscous magma —molten rock from deep beneath Earth's surface—erupts, exploding into shards of rock, mineral and glass carried in a near-supersonic stream of hot gas.

The Krasheninnikov volcano, located less than 150 miles away from the epicenter of Russia’s July 29 earthquake, began ...

Russian volcano erupts after centuries of dormancy, spewing hot ash into sky and triggering 7.0-magnitude earthquake with ...

The Krasheninnikov volcano sent ash more than 3.7 miles into the sky, according to staff at the Kronotsky Reserve, where the ...

Plumes of ash and gas rose up to 6 kilometers (3.7 miles) above the Krasheninnikov volcano in Russia's far east.

Mount Marapi in West Sumatra erupted again on Monday morning, August 12, 2025, precisely at 08:39 a.m. Western Indonesia Time ...

Enter volcanic ash. When a single volcano erupted on the island of La Palma, in the Canary Islands, back in 2021, the surrounding area was strewn with a monstrous 200 million cubic meters (that's ...

Volcanic ash accumulates on buildings, and its weight can cause roofs to collapse. A dry layer of ash 4 inches thick weighs 120 to 200 pounds per square yard, and wet ash can weigh twice as much.

Until the eruption of Eyjafjallajökull volcano, models from the VAACs were based on the tracking of the clouds in the atmosphere. In the wake of this economic disaster for airlines, ash ...

Volcanic ash shuts down air traffic and can sicken people. But a new study suggests that it may also be more important for Earth's climate than scientists once thought.