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Newberry Crater

“Newberry Caldera”

Caldera in Deschutes NF, Newberry National Volcanic Monument, Great Basin near Three Rivers, OR

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Newberry Volcano (with Newberry Caldera) is a large potentially active shield volcano located 40 miles (64 km) east of the Cascade Range and about 20 miles (32 km) southeast of Bend, Oregon, within the Newberry National Volcanic Monument. It is not a typical shield volcano because, in addition to erupting basaltic lavas, it also has erupted andesitic and even rhyolitic lava. The volcano is 25 miles (40 km) in diameter and has a total volume of 120 cubic miles (500 km3). It possesses a large oval-shaped caldera 4 by 5 miles (6.4 km × 8.0 km) in diameter, called the Newberry Caldera. Within the caldera there are two lakes (Paulina Lake and East Lake), many pyroclastic cones, lava flows, and obsidian domes. A deep gash in the northern flank, dubbed "The Fissure", is the end of a 29-mile (47…

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Caldera