On social media a self-proclaimed earthquake predictor says he can forecast big shakes, but experts say it's pure luck.

A 5.2 magnitude earthquake hit Julian, California, on Monday morning. No immediate reports of damage or injuries, but the quake was felt as far as Los Angeles. The earthquake follows a deadly 7.7 ...

California was hit by another earthquake Wednesday ... The temore hit at 10:44am (1pm ET), 45 miles off the coast of Eureka, with an aftershock felt in San Francisco shortly afterwards.

In mid-October, he told his tens of thousands of social media followers that an earthquake would soon hit at the westernmost point of California, south of the small coastal city of Eureka.