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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