Earthquake Fault, Mammoth Lakes California

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Earthquake Fault


On the way to Mammoth Mountain Ski area, visitors can stop to view an impressive earthquake fault.

  • On the way to Mammoth Mountain, stop to view this impressive earthquake fault.
  • It is believed this fault was created approximately 550 – 600 years ago when the Inyo Craters and Inyo Domes Erupted.
  • Though the fissure is called a fault, there is dispute over the actual source of crack.

Overview

Located on Highway 203 on the way to Mammoth Mountain Ski Resort, visitors can view at the results of a Mammoth Lakes Earthquake. The remaining fissure is approximately 15 feet deep and is visible from the road.

Location & Information

Located off Highway 203 on the way to Mammoth Mountain.

Inyo National Forest
351 Pacu Lane
Suite 200
Bishop, CA 93514
760-873-2400

Highlights

Though the attraction has been labeled an earthquake fault, there is uncertainty surrounding the fissure’s formation. While it was once believed to be a fault created by a single quake, geologists now believe it is actually a system of fractures created from several quakes, dating back approximately 550 – 600 years to the eruption of the Inyo Craters and Inyo Domes.


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