Volcanic Ash Stops Europe Flights—Why Ash Is Dangerous
Volcanic ash poses double threat to airline engines.
Thousands of flights have likewise been cancelled to and from Norway, Sweden, Finland, and Denmark as affected countries close airspace in response to the volcanic cloud, which is currently drifting at altitudes of 25,000 to 30,000 feet (7,620 to 9,140 meters).
(See aerial pictures of the Iceland volcano's earlier eruption.)
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