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By Christina Maxouris | CNN

Many Southern California residents felt the earth shake violently under them twice in two days last week. Many felt safer outside and slept on streets and driveways — especially in Ridgecrest.

Thursday’s and Friday’s quakes were so powerful, they swayed buildings, cracked streets and foundations, and caused fire outbreaks and gas leaks.

How did no one see this coming? Well, scientists say they have no sure way of predicting earthquakes . The US Geological Survey says its scientists can only calculate the probability that a significant earthquake will occur in a specific area within a number of years.

Here are other earthquake facts from the USGS:

Your pet may act strange during earthquakes

That does not mean it knows an earthquake is coming.

According to the Seismological Society of America, there is no strong evidence behind the claim that cats, dogs and other animals go crazy before an earthquake.

A report by the society reviewed nearly 200 publications referring to abnormal animal behavior before quakes and notes the animals’ strange behaviors occurred “anywhere from seconds to months prior to the earthquakes, and at distances from a few to hundreds of kilometers …read more

Source:: East Bay – Science

      

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