Posted by : Muhammad Khalid Wednesday, 2 July 2014

Glacier Peak is the most isolated of the five major stratovolcanoes (composite volcanoes) of the Cascade Volcanic Arc in Washington. Located in the Glacier Peak Wilderness, the volcano is visible from the west in Seattle, and from the north in the higher areas of such eastern suburbs of Vancouver as Coquitlam and Port Coquitlam. The volcano is the fourth tallest peak in Washington State, and not as much is known about it compared to other volcanoes in the area. Glacier Peak is one of the most active of Washington's volcanoes. The volcano formed during the Pleistocene epoch, about 1 million years ago, and since the most recent ice age, it has produced some of largest and most explosive eruptions in the state. When continental ice sheets retreated from the region, Glacier Peak began to erupt regularly, erupting explosively five times in the past 3,000 years. It has erupted repeatedly during at least six periods; two of these eruptions have been among the largest in Washington.  Source

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