Koryaksky volcano seen beyond walkers on crater rim of Avacha volcano, Kamchatka, East Siberia, Russia

Avacha volcano, lava plug formed in crater in 1991, Koryaksky volcano beyond, Kamchatka, East Siberia, Russia

Lava flow from the Monti Calcarazzi fissure that threatened Nicolosi on the south flank of Mt. Etna, Sicily, Italy, EuropeThe Piano del Lago cone (above) destroyed the Sapienza cable car.

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

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

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

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

Apocalyptic look scenes as glowing red smoke pours out of Erta Ale Volcano, a continuously active basaltic shield volcano and lava lake in the Afar Region of Ethiopia

Primitively constructed huts near Erta Ale Volcano, a continuously active basaltic shield volcano and lava lake in the Afar Region of Ethiopia

Erta Ale Volcano is a continuously active basaltic shield volcano and lava lake in the Afar Region of Ethiopia

Kilauea Eruption 2018

Aerial Photo of Lava Flow, Kilauea Lava Flow, Volcanoes National Park, Big Island Hawaii, Hawaii, USA

Hawaii, Big Island, Kalapana, Steam cloud formed by lava entering Pacific Ocean from Kilauea.

Hawaii, Big Island, Hawaii Volcanoes National Park, Molten Lava from Kilauea flowing into ocean.