Accretionary lapilli in an ash deposit on Santorini.
Small spherical balls of volcanic ash
Accretionary lapilli are small spherical balls of volcanic ash that form from a wet nucleus falling through a volcanic ash cloud. They can flatten on hitting the ground or may roll on loose ash and grow like a snowball.
Volcano-seismic crisis 2022 Follow the latest news and update on the volcano-seismic crisis that started on São Jorge Island in the Azores on 19 March 2022!
Volcanoes in the Solar System The Earth is not the only place with volcanic activity. Active volcanism also occurs at at least 3 other bodies in our Solar System.
Guatemala photos Guatemala - a land of volcanoes and the colorful Mayan culture with incredible variety. A dream destination for volcano enthusiasts and photographers!
Volcanoes of Peru Our 12-days itinerary includes some of the most beautiful and interesting sights around Arequipa from "volcanic point of view": La Laguna de Salinas, El Misti, Ubinas, Picchu Picchu, Andagua Valley, Colca Canyon, and currently erupting Sabancaya volcano.
