Photos | Earth as art
Anyuyskiy Volcano, Russia
Credit: NASA
Anyuyskiy Volcano lies north of the Kamchatka Peninsula in eastern Russia. Now dormant, the volcano was once active enough to send a massive lahar (an avalanche of volcanic ash and rock mixed with water) 50 kilometers down the west side of the volcano summit. The dried, hardened remains of the lahar persist today as a streak of barren rock on a landscape that is otherwise richly vegetated. In this Landsat 7 image from 2001, vegetation appears green, bare rock and ice appear bright red, and water appears navy blue. The Anyuyskiy lahar extends from the volcano’s north slope, turns sharply westward, and flows toward the westsouthwest. Lakes occur along the margins of the lahar, and some small lakes appear on the lahar’s surface. Little vegetation has encroached on the ancient river of rock. Remote and largely inaccessible, the region is a rugged collection of towering volcanic peaks, steep valleys, and snow-fed rivers and streams.
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