What active volcano in the u. s. poses a significant threat to air travel between north america and east asia?

Mount Pavlof in Southwest Alaska.

Explanation:

Mount Pavlof is situated on a route frequently used by jet planes flying between North America and Asia, which generally fly at an altitude of around 9,000 meters and are unlikely to be affected by ash at lower altitudes, observed observatory scientists.

So far, however, the intense activity of Mount Pavlof, located in an uninhabited region a966 km southwest of Anchorage, has not hindered regional air traffic thanks to the favorable climate that is making it easier for planes to avoid the affected area by sailing around it. .

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