PICT2279ac Crater Lake and Wizard Island

New cone built on the floor of the caldera which formed when the summit of Mt Mazama exploded 7,700 years ago; The circumference of the broken edges is of 20 miles (32km), the deepness of the crater lake is more than 1,200 m !!! Just imagine the power of this explosion!!! USA Oregon State Crater Lake National Park (exploded summit of Mt Mazama).

 

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