We tend to think of the ground beneath our feet as solid, steady, and unchanging. But forces all around us are constantly at work shaping Earth's surface—usually at a pace too slow to be noticed but occasionally in cataclysmic fits that leave no doubt about their power. Explore the forces that move and shake our dynamic Earth.
More About the Dynamic Earth
We understand earthquakes better than we did a century ago, when San Francisco was flattened. Now we would like to predict them.
The relentless tectonic forces that have rocked the regions around Turkey for millennia nurtured myths of Poseidon and tales of Troy, and may explain why Noah had to build an ark.
Crossroads of both peoples and tectonic plates, the Anatolian region is a place rich with stories of cultures accommodating themselves to a violent geologic landscape.
It attracts more than three million visitors each year. But beyond the herds of tourists there is another Yosemite—less familiar, but charged with a power of its own.
As California's drought endangers Chinook salmon, fisheries officials release 600,000 baby salmon into the Sacramento River, triple the usual number, in hopes that many return to spawn. Video.