A shallow earthquake shook parts of Southern California Wednesday morning. The USGS said the preliminary 4.5-magnitude tremor was centered near Big Bear Lake, which is about 100 miles east of Los Angeles. That’s near the location of the San Gorgonio Mountain Fault. The USGS measured the quake at about seven miles under the surface.

The tremor hit just after 9 a.m. local time. People said they woke up to their homes shaking. There are reports of weak to light shaking in nearby Yucaipa and Loma Linda. There were also reports as far away as Irvine, California. There were no immediate reports of damage or injuries. FULL REPORT