Earth & Environment

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computer simulated tornado

CYBER STORM  The 60-kilometer-wide swirling thunderstorm in this simulation spawned the first digitally created long-lived EF5 tornado (bottom, right-center). The 700-meter-wide virtual twister may reveal why some real-life tornadoes linger.

ancient lava

MURDEROUS MAGMA  Gases coughed up by the Siberian Traps volcanic eruptions could have triggered the Permian extinction around 252 million years ago, new research demonstrates. Researchers measured the age of the eruptions by analyzing crystals embedded in ancient lavas (shown).

hurricane map

SEISMIC STORM  Hurricane Sandy (visualized above) triggered tiny tremors under its eye as it stormed up the U.S. East Coast in 2012. These tiny quakes could help meteorologists closely monitor the behavior of raging hurricanes, researchers propose.

Earth & Environment

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