October 21, 2021. EN. Japan : Asosan , Papua New Guinea : Manam , Italy : Vulcano , Spain / La Palma : Cumbre Vieja , Italy : Stromboli .
October 21 , 2021. Japan : Asosan According to JMA the number of volcanic tremor signals at Asosan began on 12 October. Tremor amplitude began increasing at 1530…