Global Volcanism Program | Image GVP-06491
The massive Jom-Bolok lava flow traveled about 70 km down the Oka River, and is seen here near its 1.5-km-wide terminus. The lava flow traveled down an channel that was eroded into an older lava flow that was dated to an age of 12,000 +/- 4,000 years.
Photo by Sergei Rasskazov, 1995 (Siberian Branch, USSR Academy of Sciences).
Keywords: lava flow