The plume is expected to persist in the region for at least 18 hours, according to an advisory issued Tuesday morning. 

Russia’s Krasheninnikov volcano on Kamchatka erupted on August 3, 2025 for the first time in six centuries, following major seismic activity, sending ash up to six kilometers into the sky.

Many residents sought medical attention for respiratory discomfort and eye irritation caused by volcanic smog and air pollution lingering over Reykjavík and nearby areas.

New fissures on the Reykjanes Peninsula have sent lava eastward and prompted fresh hazard warnings, with high sulfur dioxide levels and drifting volcanic fibers adding to safety concerns.