April 21, 2021. EN. Italy / Sicily : Etna , La Réunion Island : Piton de la Fournaise , Saint Vincent : Soufriere Saint Vincent , Indonesia : Semeru , Italy : Stromboli .
April 21 , 2021 . Italy / Sicily , Etna : Weekly bulletin from April 12, 2021 to April 18, 2021 (issue date April 20, 2021) SUMMARY OF…