Portfolio Category: VOLCANOES & LAVA

MOUNT RAINIER

MOUNT RAINIER stands as an icon in the Washington landscape, ascending to 14,410 feet above sea level. An active volcano, Mount Rainier is the most glaciated peak in the contiguous U.S.A., spawning five major rivers. Subalpine wildflower meadows ring the icy volcano while ancient forest cloaks Mount Rainier’s lower slopes. Wildlife abounds in the park’s…

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ICELAND VOLCANOS

ICELAND experiences frequent volcanic activity, due to its location both on the Mid-Atlantic Ridge, a divergent tectonic plate boundary, and over a hot spot. Nearly thirty volcanoes are known to have erupted in the Holocene epoch; these include Eldgjá, source of the largest lava eruption in human history.

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CRATER LAKE

Crater Lake is a caldera lake, located in south-central Oregon in USA. It is famous for its deep blue color and water clarity. The lake partly fills a nearly 2,148-foot (655 m)-deep caldera that was formed around 7,700 years ago by the collapse of the volcano Mount Mazama. There are no rivers flowing into or out of the…

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PINNACLES IN CRATER LAKE PARK

THE PINNACLES IN CRATER LAKE PARK. When the very hot ash and pumice came to rest near the volcano, it formed 200-to-300-foot (60 to 90 m) thick gas-charged deposits. For perhaps years afterward, hot gas moved to the surface and slowly cemented ash and pumice together in channels and escaped through fumaroles. Erosion later removed most of the…

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