Eerie Discoveries Beneath Fallen Leaf Lake Show Signs of Something Beneath California

Just south of Lake Tahoe, a quiet mountain lake is hiding thousands of years of earthquakes, drought and climate history.

In this DiscoverTube investigation, we explore Fallen Leaf Lake — where scientists have found drowned forests deep below the surface, evidence of a major fault system, and sediment preserving nearly 13,000 years of environmental change.

Researchers discovered that the lake may once have dropped by as much as 200 feet during a megadrought lasting more than two centuries.

Today, USGS, NASA, NOAA and university researchers are still studying the forces shaping this region.

The lake looks peaceful.

But beneath the surface, it is holding evidence.

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