The Kaiser Permanente clinic in Granada Hills, CA was severely damaged in the 1994 Northridge earthquake. (Photo/NOAA)

The Kaiser Permanente clinic in Granada Hills, CA was severely damaged in the 1994 Northridge earthquake. (Photo/NOAA)

The Kaiser Permanente clinic in Granada Hills, CA was severely damaged in the 1994 Northridge earthquake. (Photo/NOAA)

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The Kaiser Permanente clinic in Granada Hills, CA was severely damaged in the 1994 Northridge earthquake. (Photo/NOAA)