May 29, 2020. EN. Kamchatka : Klyuchevskoy , New Zealand : White Island , Hawaii : Mauna Loa , Costa Rica : Turrialba / Poas / Rincon de la Vieja .
May 29 , 2020. Kamchatka , Klyuchevskoy : VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA). Issued: May 29 , 2020 . Volcano: Klyuchevskoy (CAVW #300260) Current aviation colour code:…