Eruption at Etna volcano ejects ash up to 9 km (29 500 feet) a.s.l., Italy
Heavy ash emissions were observed at Etna's Southeast crater since 06:15 UTC on September 21, 2021, where strombolian activity resumed at 06:55 UTC. The Aviation Color Code was raised to Red at 07:10 UTC and lowered back to Orange at 09:30. Strombolian activity…