California's endemic plant species support a rich, diverse group of native and visiting organisms.
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In this collection, you'll learn how geological processes shape life on Earth.
California lies within an active seismic zone, with many active faults capable of creating major earthquakes.
Engineers work on making buildings that are better able to withstand damage from future earthquakes.
To determine the size of an earthquake, scientists measure energy released and its damage.
When seismic data is collected from at least three different locations, it can be used to find the epicenter.
Track earthquakes using real-time data from the U.S. Geological Survey with this interactive globe.
On April 18, 1906, a 7.9 magnitude earthquake along the San Andreas Fault would reshape the entire city.
Faults are fractures in Earth’s crust where movement has occurred.