A view of Morgan Hill, the locus of a recent magnitude-3.9 earthquake felt by some northern California residents. Credit: activerain.com

A view of Morgan Hill, the locus of a recent magnitude-3.9 earthquake felt by some northern California residents. Credit: Ross Stein, Temblor.

A view of Morgan Hill, the locus of a recent magnitude-3.9 earthquake felt by some northern California residents. Credit: activerain.com

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Alka Tripathy-Lang, PhD

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