Why Is Irazu Volcano Green?

And in 2012 there was a little lake, green in color because of the sediments that fall from the walls.” But after a dry winter in 2013, the lake dried up. “They say that cracks formed in the crater from all the dryness, and another cause of the cracks is because of the Turrialba Volcano, because it's active,” she said.

What type of volcano is Irazu?

Irazú is a massive stratovolcano covering more than 500 sq km with at least 10 flank cones on the southern flank, all being older than at least 14,000 years when a massive lava flow (the "Ceravantes" flow) was erupted.

Is irazú volcano active?

Irazú Volcano, Spanish Volcán Irazú, active volcano, in the Cordillera Central, east-central Costa Rica. ... It is a popular ascent for tourists, as its cone offers (on rare clear days) views of both the Atlantic and Pacific coasts of Costa Rica. The active crater is 980 feet (300 metres) deep.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.