Sierra La Primavera Volcanic Complex, Mexico Posted by agimarc on 2024-05-01 Posted in: America N, Volcanoes. Tagged: Caldera, caldera lake, Dome, geothermal, hydrothermal, ignimbrite, La Primavera, Obsidian, Plinian, Rhyolite, Tequila. Leave a comment View across Bosque La Primavera. Image courtesy J Pint, 2014 via Mex Connect Continue Reading
Fernandina Island, Galapagos, Ecuador Posted by agimarc on 2024-02-15 Posted in: Pacific Islands, Volcanoes. Tagged: Basalt, Caldera, caldera collapse, Debris avalanche, Fernandina, Galapagos, hot spot, plume head, resurfacing. Leave a comment Ocean view of Fernandina Island and volcano. Image courtesy H Banwell, Oct 2016 via Galapagos Conservation Trust Continue Reading
Volcan Maipo, Chile – Argentina Border Posted by agimarc on 2024-02-01 Posted in: America C & S, Volcanoes. Tagged: Andes, Andesite, Caldera, Diamante, Dome, Maipo, permafrost, pyroclastic, rhyodacite, Southern Volcanic Zone. 5 Comments Looking across Laguna del Diamante toward Maipo. Glacial ice cap clearly visible as are a pair of what look like domes / pyroclastic cones on its eastern flank. Image courtesy Advisor Travel Continue Reading
Platanar Volcanic Complex, Costa Rica Posted by agimarc on 2023-10-15 Posted in: America C & S, Volcanoes. Tagged: Aquas Zarcas, Caldera, Ciudad Quesada, Cordillera Central, Costa Rica, Lahar, Platanar, scoria cone. 2 Comments Platanar volcano from the west. Image courtesy Costa Rica.com, Jun 2015 Continue Reading
Corbetti Caldera, Ethiopia Posted by agimarc on 2023-10-01 Posted in: Africa, Volcanoes. Tagged: Basalt, Caldera, Corbetti, geothermal, ignimbrite, Main Ethiopian Rift, pyroclastic, Rhyolite, silicic, tephra. Leave a comment Urji cone within Corbetti Caldera. Image courtesy USAID , Corbetti Geothermal Project Continue Reading
Quilotoa Volcano, Ecuador Posted by agimarc on 2023-08-15 Posted in: America C & S, Volcanoes. Tagged: Caldera, Carnegie Ridge, crater lake, Dacite, limnic eruption, Plinian eruption, Pyroclastic flow, Quilotoa Loop. Leave a comment Overview of Quilotoa Lake and caldera from the southern rim. Image courtesy Home to Havana, Jan 2022 Continue Reading
Volcan San Juan, Nayarit, Mexico Posted by agimarc on 2023-05-01 Posted in: America N, Volcanoes. Tagged: Caldera, Jalisco Block, Nayarit, Rift, San Juan, Tepic Pumice, Zacoalco. 3 Comments Looking westward across Tepic toward Volcan San Juan rising above the city. Image courtesy Wiki Continue Reading
The Dakataua Caldera and Crater Lake, PNG Posted by agimarc on 2023-01-15 Posted in: Asia, Volcanoes. Tagged: Andesite, Caldera, Dakataua, hydrothermal, New Britain, Obsidian, Talasea, Willaumez. 1 Comment Dakataua caldera and lake. Screen capture via Google Maps Continue Reading
Does a Caldera Form the Islands of the Four Mountains, Alaska? Posted by agimarc on 2023-01-01 Posted in: America N, Volcanoes. Tagged: Aleutians, Andesite, Caldera, Carlisle, Cleveland, hydrothermal, ignimbrite, Islands of Four Mountains, Tana. Leave a comment Islands of the Four Mountains with volcanoes named. Image courtesy Quantum Spatial Photo, via Power, et al, Dec 2020 via Volcano Discovery Continue Reading
Volcan Darwin, Galapagos Islands, Ecuador Posted by agimarc on 2022-11-15 Posted in: Pacific Islands, Volcanoes. Tagged: a'a, Beagle, Caldera, Darwin, Galapagos, Isabela, Tagus, tuff ring. 3 Comments Satellite photo of Volcan Darwin and satellite pyroclastic cones Tagus and Beagle at lower left. Screen capture from Google Maps Continue Reading