Yesterday evening, a M=3.1 earthquake shook Santa Monica and West LA. While this earthquake was very small, the region is susceptible to much larger earthquakes. (Photo from: US News)

Yesterday evening, a M=3.1 earthquake shook Santa Monica and West LA. While this earthquake was very small, the region is susceptible to much larger earthquakes. (Photo from: US News)

Yesterday evening, a M=3.1 earthquake shook Santa Monica and West LA. While this earthquake was very small, the region is susceptible to much larger earthquakes. (Photo from: US News)