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A Guide to Costa Rica’s Active Volcanoes: They’re Dynamite!

Costa Rica Volcanoes

Of Costa Rica’s active volcanoes, Arenal Volcano is the most photogenic

Costa Rica is home to an impressive 200+ volcanic formations, some dating to more than 65 million years. That said, only half show any signs of activity at all, and just a handful are classified as active volcanoes.

But first, a general overview: Costa Rica’s volcanoes speckle the country’s three volcanic ranges: the Guanacaste Volcanic Range (home to the Rincón de la Vieja, Orosi, Miravalles, Tenorio, and Arenal Volcanoes, among others); the Central Volcanic Range (comprised of the Poás, Barva, Irazú, and Turrialba Volcanoes, among others); and the Talamanca Volcanic Range (home to El Viejo Volcano).

But, back to active volcanoes in Costa Rica. Of the 200 volcanic formations, just seven are considered historically active: Rincón de la Vieja, Poás, Arenal, Irazú, Turrialba, and Tenorio, plus the not-so-active Miravalles, which emitted just a puff of steam way back in 1946. The things a volcano will do to be classified as active…

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