<p class="c1">Lava glows bright red—an indication of superhot temperatures—in a false-color satellite image of <a class="c16" href="http://travel.nationalgeographic.com/travel/countries/russia-guide/">Russia</a>'s Tolbachik <a class="c16" href="http://environment.nationalgeographic.com/environment/natural-disasters/volcano-profile/">Volcano</a> taken on December 1.</p><p class="c1 c13">In late November, Tolbachik—located on the <a class="c16" href="http://maps.nationalgeographic.com/map-machine#s=r&amp;c=57.086322028639,%20150.77636718750003&amp;z=4">Kamchatka Peninsula (map)</a>—began erupting for the first time in 36 years. Tolbachik is a shield volcano: a low-profile, broad structure with a shape resembling an ancient warrior shield, according to <a class="c16" href="http://earthobservatory.nasa.gov/">NASA's Earth Observatory</a>.</p>

Red Hot

Lava glows bright red—an indication of superhot temperatures—in a false-color satellite image of Russia's Tolbachik Volcano taken on December 1.

In late November, Tolbachik—located on the Kamchatka Peninsula (map)—began erupting for the first time in 36 years. Tolbachik is a shield volcano: a low-profile, broad structure with a shape resembling an ancient warrior shield, according to NASA's Earth Observatory.

Image courtesy Jesse Allen, EO-1/USGS/NASA

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