February 23, 2020. EN. Kamchatka : Klyuchevskoy , El Salvador : San Miguel (Chaparrastique) , Iceland : Thornbjorn / Reykjanes , Costa Rica : Turrialba / Poas / Rincon de la Vieja / Irazu / Barva .
February 23 , 2020. Kamchatka , Klyuchevskoy : VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA). Issued: February 23 , 2020 Volcano: Klyuchevskoy (CAVW #300260) Current aviation colour code:…