The 3.0-magnitude quake struck shortly before 2 a.m. about 8 miles southwest of Corona and 10 miles east-northeast of Tustin.
There were no immediate reports of damage or injuries.
The 3.0-magnitude quake struck shortly before 2 a.m. about 8 miles southwest of Corona and 10 miles east-northeast of Tustin.
There were no immediate reports of damage or injuries.