October 4, 2025. EN. Hawaii : Kilauea , Colombia : Nevado del Ruiz , Kamchatka : Kronotsky , Chile : Planchón Peteroa , Costa Rica : Poas .
October 4 , 2025. Hawaii , Kilauea : HAWAIIAN VOLCANO OBSERVATORY INFORMATION STATEMENT , U.S. Geological Survey Thursday, October 2, 2025, 9:17 PM HST (Friday, October 3, 2025, 07:17…