Roundup of Global Volcanic Activity

Bogoslof (United States, Aleutian Islands): Another major explosion has just occurred at the volcano producing an ash plume that reached flight level 330 (33,000 ft / 11 km altitude).

The Alaska Volcano Observatory reported a strong volcanic seismic signal from volcano starting at 21:18 AKST today (6:18 UTC Jan 4) and lasting ~5 minutes. In addition, a series of lightning strikes (typical for large ash plumes) were identified by the World Wide Lightning Location Network. AVO raised the Aviation Colour Code for Bogoslof to RED and Volcano Alert Level to Warning. However, the eruption was only short-lived (few minutes) and there were been no immediate “follow-up” eruptions detected. The volcano’s warning level was soon after decreased again.


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