The massive Jombolok lava flow traveled about 75 km down the Oka River, and is seen here near its 1.5-km-wide terminus.

Photo by Sergei Rasskazov, 1995 (Siberian Branch, USSR Academy of Sciences).

This image is made available under the Creative Commons BY-NC 4.0 license terms.

Keywords: lava flow

Jombolok