1 hr ago
Earthquake Hits Santa Rosa as San Andreas Plates Keep Moving
An earthquake hit Santa Rosa, California.
Earth’s plates are always moving.
In this area, they slide past each other along the San Andreas Fault System.
They move only about 1.3 to 1.5 inches each year.
Friction can make the rocks stick instead of moving smoothly.
As they stay stuck, pressure builds up.
That pressure can remain for decades or even centuries.
When the rocks finally break loose, the stored energy is released as an earthquake.
An earthquake hit Santa Rosa, California.
The San Andreas Fault System is formed by plates constantly sliding past one another.
The plates move at about 1.3 to 1.5 inches per year.
Friction can lock the rocks in place while stress builds for decades or centuries.
An earthquake occurs when the accumulated stress is released as the rocks break loose.
- Who
- Santa Rosa and the moving tectonic plates along the San Andreas Fault System.
- What
- An earthquake occurred in Santa Rosa.
- Where
- Santa Rosa, California.
- When
- Why
- Stress built up as plates slid past each other and friction locked the rocks in place, eventually causing them to break loose.
Key facts
- Location
- Santa Rosa, California
- Fault system
- San Andreas Fault System
- Plate movement
- About 1.3 to 1.5 inches per year
- Cause
- Stress accumulated while friction locked the rocks in place
- Stress duration
- The buildup can last decades or centuries
- Earthquake mechanism
- Rocks break loose and release the accumulated stress
Sources
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