California is on a major earthquake alert after the San Andreas fault was rocked by 134 tremors in the space of a week.  The US state sits on top of the potentially catastrophic fault, a chasm between two massive plates of the Earth’s crust that extends hundreds of miles across the country. Recently, there have been signs the fault is building pressure beneath the surface and could rupture.

In the last week, a three-mile stretch of the San Andreas Fault around Monterey County, just south of San Jose, has been hit by 134 earthquakes, with the largest registering at 4.6 on the Richter scale – strong enough to be felt 90 miles away in San Francisco – at 11.31 AM local time on Last Monday. Of the rest, 17 were of a magnitude 2.5 or higher, and six above 3.0. READ MORE