'Quake swarm' rocks San Andreas fault at Monterey County

A string of 10 tremors struck Monterey County, a rural area in California. The largest of the swarm, a 4.6-magnitude quake, was felt in San Francisco more than 90 miles (145 km) away.

Fears of a huge quake have risen in California after a series of 10 'mini quakes' yesterday hit the San Andreas fault.A string of 10 tremors struck Monterey County, a rural area in California, in what seismologists call a 'swarm' of earthquakes.The largest of this swarm, a 4.6-magnitude quake, was felt in San Francisco more than 90 miles (145 km) away.The swarm dramatically increases the likelihood of a major quake in California, at least temporarily, experts claim.Scroll down for video ...