1390-691 - Songaksan Mountain, Jeju Island, South Korea. The mountain is formed by underwater volcanic activity.

1372-1948 - Colorful volcanic landscape near Mount Kusatsu-Shirane along the Shiga Kusatsu Kogen Route, Nagano Prefecture, Japan — a rugged terrain shaped by geothermal activity and rich in alpine flora.

832-408079 - Active Strokkur, tourists observe eruption, high temperature area Haukadalur, tourist attraction at the Golden Circle, Sudurland, Iceland

832-407518 - Cape Dyrholaey. Travel to the fabulous island of Iceland. Giant lonely rock - Palm on a black volcanic sand beach Reinisfjara. The concept of active, extreme and photo tourism

718-3507 - Arenal volcano, Arenal Volcano National Park, La Fortuna, Costa Rica

718-3498 - Poas volcano, Poas National Park, Costa Rica, Central America

718-3494 - Poas volcano, Poas National Park, Costa Rica, Central America

718-3479 - Arenal volcano, Arenal Volcano National Park, La Fortuna, Costa Rica

718-3476 - Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica

718-3475 - Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica

718-3466 - Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica

718-3464 - Poas volcano, Poas National Park, Costa Rica, Central America

718-3459 - Arenal volcano, Arenal Volcano National Park, La Fortuna, Costa Rica

1353-837 - Bjarnarhofn Lava Field, Snaefellsnes Peninsula, Iceland

1311-1286 - Volcanic cinder rim in Coconino National Forest, Arizona, USA

1311-1285 - Burned trees on a Volcanic cinder rim in Coconino National Forest, Arizona, USA

1311-1282 - Volcanic cinder rim in Coconino National Forest, Arizona, USA

1311-1277 - Volcanic cinder hills in Coconino National Forest, Arizona, USA

1311-1275 - Volcanic cinder hills in Coconino National Forest, Arizona, USA

1311-1272 - Volcanic cinder hills in Coconino National Forest, Arizona, USA

1311-1270 - Volcanic cinder hills in Coconino National Forest, Arizona, USA

1311-1265 - Volcanic cinder hills in Coconino National Forest, Arizona, USA

1311-1264 - Volcanic cinder hills in Coconino National Forest, Arizona, USA

1311-1262 - Volcanic cinder hills in Coconino National Forest, Arizona, USA

1311-1260 - Volcanic cinder hills in Coconino National Forest, Arizona, USA

1311-1258 - The southeast summit of O'Leary Peak, Coconino National Forest, Arizona, USA

1311-1256 - Volcanic cinder hills in Coconino National Forest, Arizona, USA

1382-3949 - Hikers inside the caldera Enclos Fouque, Piton de la Fournaise, Reunion

1382-3948 - Hikers inside the caldera Enclos Fouque, Piton de la Fournaise, Reunion

1382-3947 - Small crater of Formica Leo volcano in caldera Enclos Fouque near Piton de la Fournaise, Reunion

1382-3946 - Landscape around the road to the Piton de la Fournaise, Reunion

1382-3898 - Piton de la Fournaise volcano, Reunion

1382-3897 - Grand Etang is the largest lake of the island, Reunion

1382-3819 - Hotsprings Ravine Thomas at Bouillante, Basse-Terre, Guadeloupe

1397-76 - Aerial view of kiteboarders framed by volcanic peaks, Sotavento beach, Jandia, Fuerteventura, Canary Islands, Spain

1397-51 - Mount Bromo in fog at night, Bromo Tengger Semeru National Park, East Java, Indonesia

1397-50 - Mount Bromo and Batok volcano, Bromo Tengger Semeru National Park, East Java, Indonesia

1397-49 - Volcanoes at sunrise, Bromo Tengger Semeru National Park, East Java, Indonesia

1397-47 - Aerial view of smoke above the turquoise lake on crater of Kawah Ijen volcano, Banyuwangi, East Java, Indonesia

1372-1234 - Waiotapu Thermal Wonderland, North Island, New Zealand. Views of steaming craters on the Waiotapu Thermal Track, New Zealand

1372-1233 - Walking paths through a volcano landscape in Waiotapu Thermal Wonderland, North Island, New Zealand

1387-1265 - October 16, 2013 - Nighttime eruption of Kliuchevskoi (Klyuchevskoy) Volcano, Kamchatka, Russia. Ash cloud and lava flow are produced by the activity of the snowcovered conical stratovolcano. Column of steam rises where lava flow is melting glacier.

1387-1264 - October 16, 2013 - Nighttime eruption of Kliuchevskoi (Klyuchevskoy) Volcano, Kamchatka, Russia. Ash cloud and lava flow are produced by the activity of the snowcovered conical stratovolcano.

1387-1263 - October 15, 2013 - Nighttime eruption of Kliuchevskoi (Klyuchevskoy) Volcano, Kamchatka, Russia. Ash cloud and lava flow are produced by the activity of the snowcovered conical stratovolcano. Column of steam rises where lava flow is melting glacier.

1387-1262 - October 24, 2013 - Eruption of Kliuchevskoi (Klyuchevskoy) Volcano, Kamchatka, Russia, seen in evening light. Ash cloud is produced by the activity. Kamen volcano is seen on right.

1387-1261 - October 21, 2013 - Nighttime view of incandescent rockfall of glowing lava down flank of lava dome of Shiveluch Volcano, Kamchatka, Russia.

1387-1260 - October 16, 2013 - Eruption of Kliuchevskoi (Klyuchevskoy) Volcano, Kamchatka, Russia. Ash cloud and lava flow are produced by the volcano which is partially shrouded in cloud. Kamen volcano is seen on right.

1387-1259 - October 16, 2013 - Nighttime eruption of Kliuchevskoi (Klyuchevskoy) Volcano, Kamchatka, Russia. Ash cloud and lava flow are produced by the activity of the volcano which is partially shrouded in cloud. Kamen volcano is seen on right.

1387-1258 - October 21, 2013 - Nighttime moonlit view of incandescent rockfall of glowing lava down flank of lava dome of Shiveluch Volcano, Kamchatka, Russia.

1387-1257 - February 24, 2013 - Mushroom shaped ash cloud produced by powerful explosive eruption of Sakurajima volcano, Kagoshima, Japan.

1387-1256 - February 24, 2013 - Ash cloud rising following eruption of Sakurajima volcano, Japan

1387-1255 - February 24, 2013 - Powerful explosive eruption of Sakurajima volcano, Japan. Ash cloud rises against blue sky.

1387-1254 - February 23, 2013 - Powerful night time explosive eruption of Sakurajima volcano, Japan. Trajectories of glowing incandescent volcanic bombs are visible.

1387-1253 - February 23, 2013 - Powerful night time explosive eruption of Sakurajima volcano, Japan. Trajectories of glowing incandescent volcanic bombs are visible. Static lightning discharges are visible at top of picture.

1387-1252 - December 3, 2012 - Colourful crater lakes of Kelimutu volcano, Flores Island, Indonesia. Tiwu Nua Muri Kofah (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched Lake). The two lakes are highly acidic due to underwater fumarole activity and are turqoise in colour.

1387-1251 - December 3, 2012 - Colourful crater lakes of Kelimutu volcano, Flores Island, Indonesia. A crater wall separates Tiwu Nua Muri Koo Fai (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched Lake). The two lakes are highly acidic due to underwater fumarole activity and are turqoise in colour.

1387-1250 - December 3, 2012 - Colourful crater lakes of Kelimutu volcano, Flores Island, Indonesia. Tiwu Nua Muri Koo Fai (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched Lake). The two lakes are highly acidic due to underwater fumarole activity and are turqoise in colour.

1387-1249 - November 30, 2012 - Glowing Rerombola lava dome of Paluweh (or Rokatenda) volcano during eruption in 2012, Flores, Indonesia.

1387-1248 - November 30, 2012 - Glowing Rerombola lava dome with incandescent rockfall deposit, Paluweh volcano, Flores, Indonesia.

1387-1247 - November 28, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible against blue night sky.

1387-1246 - November 27, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.

1387-1245 - November 26, 2012 - Powerful explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.

1387-1244 - November 25, 2012 - Extrusion of lava through lava plug on top of conduit leads to small glowing rockfalls. Batu Tara volcano, Komba Island, Indonesia.

1387-1243 - November 26, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.

1387-1242 - November 25, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.

1387-1241 - November 26, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.

1387-1240 - April 1, 2012 - Lava flowing into Valle del Bove at Mount Etna Volcano, Italy, following paroxysmal eruption.

1387-1239 - April 1, 2012 - Nighttime paroxysmal eruption at Mount Etna Volcano, Italy. Steam cloud rising as lava melts snow in Valle del Bove.

1387-1238 - January 24, 2012 - Scoria cone on Nyamuragira Volcano, Democratic Republic of Congo.

1387-1237 - January 24, 2012 - Yellow sulphurous deposits resulting from degassing coating scoria cone formed during eruption on Nyamuragira Volcano, Democratic Republic of Congo.

1387-1236 - January 24, 2012 - Lava in crater glowing during blue hour on Nyamuragira Volcano, Kimanura Eruption.

1387-1235 - January 22, 2012 - Glowing lava in crater illuminating gas cloud above Nyamuragira Volcano, Kimanura Eruption.

1387-1234 - January 22, 2012 - Bush silhouetted against glow of lava in crater of Nyamuragira Volcano, Kimanura Eruption.

1387-1233 - January 24, 2012 - Incandescent lava bombs expelled during a basaltic fissure eruption on Nyamuragira Volcano, Kimanura Eruption.

1387-1232 - January 23, 2012 - Incandescent lava bombs expelled during a basaltic fissure eruption on Nyamuragira Volcano, Kimanura Eruption.

1387-1219 - June 2006 - Ejection of lava during nighttime Strombolian eruption of Stromboli volcano, Aeolian Islands, Mediterranian Sea, Italy.

1387-1218 - December 23, 2007 - Lava flowing from small tunnel on flank of Pacaya volcano, Guatemala.

1387-1217 - December 23, 2007 - Lava flow on the flank of Pacaya volcano, Guatemala.

1387-1216 - December 22, 2007 - Lava flowing from a small lava shield on the flank of Pacaya volcano, Guatemala.

1387-1207 - November 2007 - Aerial view of White Island (Whakaari) volcano with central acidic crater lake, Bay of Plenty, New Zealand.

1387-1206 - January 22, 2011 - Lava Lake with small lava fountains, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1205 - January 22, 2011 - Lava Lake in bottom of summit caldera, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1204 - January 21, 2011 - Small fountains in lava lake, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1203 - January 21, 2011 - Active lava lake in pit crater, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1202 - January 21, 2011 - Lava rafts floating on lava lake in summit caldera, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1201 - January 21, 2011 - Nighttime view of summit caldera with lava lake, Nyiragongo Volcano, Democratic Republic Congo.

1387-1200 - January 21, 2011 - Nighttime view of lava lake in pit crater, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1199 - January 21, 2011 - Nighttime view of lava lake in pit crater, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1198 - May 21, 2008 - Lava bomb trajectories visible during nighttime vulcanian eruption of Anak Krakatau volcano, Sunda Strait, Java, Indonesia.

1387-1197 - May 20, 2008 - Lava bomb trajectories visible during nighttime vulcanian eruption of Anak Krakatau volcano, Sunda Strait, Java, Indonesia.

1387-1196 - May 20, 2008 - Lava bomb trajectories visible during nighttime vulcanian eruption of Anak Krakatau volcano, Sunda Strait, Java, Indonesia.

1387-1191 - Close-up of lava flow, Kilauea volcano, Big Island, Hawaii.

1387-1190 - Lava flowing into sea, Kilauea volcano, Big Island, Hawaii.

1387-1189 - December 11, 2005 - Nighttime eruption of Santiaguito dome complex, Santa Maria volcano, Guatemala.

1387-1188 - December 12, 2005 - Eruption of ash cloud from Santiaguito dome complex, Santa Maria volcano, Guatemala.

1387-1187 - December 11, 2005 - Eruption of ash cloud from Santiaguito dome complex, Santa Maria volcano, Guatemala.

1387-1186 - December 30, 2007 - Lava is flung high in the air during a nighttime eruption of Fuego volcano, Antigua, Guatemala.

1387-1185 - November 2006 - Lava flow during eruption of Mount Etna volcano, Sicily, Italy.

1387-1184 - November 2006 - Lava flowing from base of hornito during eruption of Mount Etna volcano, Sicily, Italy.

1387-1183 - November 2006 - Boulder rolling in lava flow at dusk during eruption of Mount Etna volcano, Sicily, Italy.