Ten thousand homes affected
On Sunday, a 6.0 magnitude earthquake shook northern California, no deaths were reported so far, the United States Geological Survey (USGS) reported. However, ABC reports that at least 70 people suffered minor injuries and were treated at the Medical Center in Napa.
Meanwhile, The Associated Press points out that it was the strongest earthquake that has occurred in the area of San Francisco since the 1989 Loma Prieta, which had a magnitude of 6.9.
The quake struck at 3:20 am local (10:20 GMT) northwest of the city of American Canyon, in the state of California, at a depth of 10.8 kilometers, details the France Press Agency.
The city of Napa, nearly 10 km from the epicenter, ran out of power like other nearby towns and villages. About 10,000 homes were affected, according to the Society of Pacific Gas and electricity.
The Los Angeles Times reported outages and gas leaks in Napa while fire departments inspected damage to bridges and other structures.
There have been no personal injury information.
That quake was followed in the next half hour by an additional half dozen of lesser magnitude, the largest of which reached 4.0, according to the Geological Survey.
The strongest in years
"We trembled violently here in Napa. No power," wrote user Tyson Winter, while Ann Marie Christy said her mother, also in Napa, said the quake "was very violent with lots of broken glass."
A member of the emergency services Napa County told The Associated Press that they received at least one report of a building suffering structural damage but details were not immediately available.
"It was a crazy shaking" said Rich Lieberman, a resident of Oakland. "It felt like a swing at first and then worsened by its duration. It wasn't very strong, but extremely long and extremely active."