Pair of earthquakes – 3.5 and 3.9 – near Ontario jolts parts of Southern California
The first earthquake struck Saturday around 10:05 a.m. at a depth of 3 miles. The next one came a half-hour later.
Tomas Kauer 
The first earthquake struck Saturday around 10:05 a.m. at a depth of 3 miles. The next one came a half-hour later.
