Volcán Popocatépetl, whose name is the Aztec word for smoking mountain, towers to 5426 m 70 km SE of Mexico City to form North America's 2nd-highest volcano. The glacier-clad stratovolcano contains a steep-walled, 250-450 m deep crater. The generally symmetrical volcano is modified by the sharp-peaked Ventorrillo on the NW, a remnant of an earlier volcano. At least three previous major cones were destroyed by gravitational failure during the Pleistocene, producing massive debris-avalanche deposits covering broad areas south of the volcano. The modern volcano was constructed to the south of the late-Pleistocene to Holocene El Fraile cone. Three major plinian eruptions, the most recent of which took place about 800 AD, have occurred from Popocatépetl since the mid Holocene, accompanied by pyroclastic flows and voluminous lahars that swept basins below the volcano. Frequent historical eruptions, first recorded in Aztec codices, have occurred since precolumbian time.
Desert, Salt & Volcanoes Experience one of the geologically most active areas on the planet: the Danakil desert in northern Ethiopia: climb Erta Ale and enjoy the powers of Northen and South craters, the surreal colorful world of salt, geysers and springs at Dallol, the UNESCO world heritage site of the rock hewn churches of Lalibela.!
Walking & Study tours VolcanoDiscovery's signature tours for small groups: Discover volcanoes and volcanic areas from close with an expert in their field! These tours have a broad mix of activities and interests from photography, walking, study travel, nature & culture.
14-day geo tour The Canary islands boast spectacular scenery, wild nature, great culture and gorgeous cuisine. Get to know 4 jewels on one tour: Lanzarote, La Palma, El Hierro, and Tenerife., and discover some world-class geology with an expert!
Green Volcanoes The Azores are famous for their very pleasant climate, breathtaking green and unspoiled landscapes and nature. Guided by a photographer and volcanologist, discover five islands: Sao Miguel, Faial, Terceira, Pico and Flores - each with its distinct character.
Kelut volcano's lava dome in 2007 One of the most impressive lava dome eruptions in recent years. A new dome formed in the crater lake of Kelut volcano (East Java) in late 2007. Enjoy some unique pictures.
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