Strong quake, scant harm in northern California

The strongest earthquake in the adjacent 48 states in more than 20 years rocked the coast of northern California and southern Oregon, causing widespread damage but no know deaths. A freeway bridge collapsed, hurling two vehicles 30 feet to the ground and injuring six persons. The quake was centered 20 miles northwest of Eureka and had a Ritcher magnitude of 7. Disaster officials were amazed at the relatively light damage. Earthquake experts said the tremor occurred on a branch of the San Andreas fault.