VOL_67161: Volcanic activity.
VOL_67162: Volcanic activity.
VOL_67163: Volcanic activity.
VOL_67164: Volcanic activity.
VOL_67165: Volcanic activity.
VOL_67166: Volcanic activity.
VOL_67167: Volcanic activity.
VOL_67168: Volcanic activity.
VOL_67169: Volcanic activity.
VOL_67170: Volcanic activity.
VOL_67171: Volcanic activity.
VOL_67172: Volcanic activity.