Indonesia, Bali, a volcanic stone (basalt) quarry in a river bed

Cape Verde, Fogo Island, volcanic rock in small Pico crater (1995 eruption)

Haleakala Crater, Maui, Hawaii

Volcanic cinder cones in Haleakala Crater.

Volcanic coastline. Madeira island. Portugal

A mountain of volcanic origin in the Black Desert of western Egypt

A mountain of volcanic origin in the Black Desert of western Egypt

Landscape with volcanic rock formations near Göreme. Cappadocia. Turkey.

Molten lava

Molten lava

Lassen Volcanic National Park California USA

Lassen Volcanic National Park California USA

Lassen Volcanic National Park California USA

Italy, Sicily, Mount Etna

Clouds in front of a volcanic mountain, Mount St. Helens, Mount St. Helens National Volcanic Monument, Washington, USA

Volcanic rocks

La Celia, volcanic area. Murcia. Spain

Volcanic organ

Volcanic organ

 

 

Cameroun, Rhumsiki, volcanic landscape, mountain peaks

Close-up of lava rock