Lava bubbling - 1967

Marble terrace, Waimangu Volcanic Valley (NZ)

Woodland - summer afternoon, Waimangu Volcanic Valley

Volcanic type rumble. (Spot Effect.)

Volcanic type rumble. (Concentrated Spot Effect.)

Volcanic eruption, lava roar

Volcanic eruption, eruption with falling debris

Volcanic eruption, continuous deep rumble

Volcanic eruption, continuous eruption