Alaska volcano’s sustained eruption grounds flights, prompts safety alert(1/3)

The Shishaldin volcano erupts, as seen from Cold Bay, Alaska, U.S. January 6, 2020, in this image courtesy of the Alaska Volcano Observatory of the U.S. Geological Survey. (Photo/Agencies)

A Landsat-8 image of a short-wave infrared false color composite shows an ash plume extending from Shishaldin to the east as active lava flows on the northern flank of the volcano in Alaska, U.S., January 7, 2020. (Photo/Agencies)

A Brightness Temperature Difference AVHRR satellite image shows a 130km long ash plume from Shishaldin Volcano in Alaska, U.S., January 7, 2020, in this image courtesy of the Alaska Volcano Observatory of the U.S. Geological Survey. (Photo/Agencies)