Arenal Volcano, Costa Rica's best-known stratovolcano, stands more than 5,000 feet high and appears to touch the clouds. For the latter half of the 20th century, admirers traveled to its base in ...

Poás Volcano in Costa Rica is undergoing intense and unprecedented activity, marked by persistent tremors, high gas emissions, and structural deformation, according to the Volcanological and ...

Standing 11,260 feet tall, Irazu is the highest active volcano in Costa Rica (its last eruption was in 1994) and one of the most popular for Costa Rica visitors. From its peak on a clear day ...

Poás Volcano erupted twice on Sunday, producing a plume that rose 300 meters above the crater, according to the Volcanological and Seismological Observatory (OVSICORI). The activity, classified as a ...

A four-person University of Alaska Fairbanks team plans to land an unmanned aircraft in the crater of an active Costa Rica volcano this week to sample gas escaping from the soil. The flight will occur ...