Focal mechanism, or beachball diagram, indicating the magnitude-4.2 earthquake under Lake Tahoe had right-lateral strike-slip motion, similar to the San Andreas Fault. Credit: USGS

Posted on June 8, 2021 by Alka Tripathy-Lang, Ph.D.

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Alka Tripathy-Lang, Ph.D.

Alka Tripathy-Lang is a freelance science writer based in Chandler, Arizona, and holds a Ph.D. in geoscience.

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