Damage assessments continue after California quake

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Dozens of homes and buildings - including an historic courthouse - are unsafe after an earthquake near Napa, California.

Nearly 200 people were injured in Sunday's quake, six critically. All but one have been upgraded to at least stable condition.

A state of emergency remained in effect as property damage assessments were made Monday. That door-to-door process could days, possibly even weeks.

Crews have already checked out more than 100 reports of gas leaks. Dozens of buildings sustained some type of damage and more than 30 have been determined to be uninhabitable. All of the bridges have been inspected and officials said those remain safe.

The earthquake's epicenter was six miles southwest of Napa, but was felt 200 miles away. Aftershocks are expected to continue for several weeks.