MOUNT RAINIER stands as an icon in the Washington landscape, ascending to 14,410 feet above sea level. An active volcano,...
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ICELAND experiences frequent volcanic activity, due to its location both on the Mid-Atlantic Ridge, a divergent tectonic plate boundary, and...
Crater Lake is a caldera lake, located in south-central Oregon in USA. It is famous for its deep blue color...
THE PINNACLES IN CRATER LAKE PARK. When the very hot ash and pumice came to rest near the volcano, it...