Alaska Volcano Has ‘Significant’ Eruption; Aviation Alert Raised To RED


ANCHORAGE – Active Alaskan volcano Bogoslof erupted again Sunday.

According to the Alaska Volcano Observatory, Bogoslof, located in the Aleutian Islands, erupted around 2:16 p.m. Sunday.

The eruption lasted about 50 minutes and has ended. Since then, seismicity and infrasound as detected on neighboring islands is quiet, no lightning has been detected, and satellite images show no additional emission from the volcano.

Satellite images and pilot reports indicate that the cloud from today’s eruption reached at least 35,000 ft, and possibly as high as 45,000 ft. An observer on Unalaska Island reported seeing a large white-gray mushroom cloud form over Bogoslof, with ash fall out to the west. Winds in the area are currently to the northwest.

Bogoslof volcano remains at a heightened state of unrest and in an unpredictable condition. Additional explosions producing high-altitude volcanic clouds could occur at any time. Low-level explosive activity that is below our ability to detect in our data sources may be occurring. These low-level explosions could pose a hazard in the immediate vicinity of the volcano.

The Aviation Color Code remains at RED and the Alert Level remains at WARNING.

The National Weather Service Alaska Aviation Weather Unit has issued a SIGMET for possible ash to 50,000 ft asl.

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