USGS just changed it to a 5.4 quake near Chino Hills. It was a pretty good shaker though. Shook things up pretty well here on the 3rd floor where I live. It started off slow and rolling followed by a sharp jolt. I’m about 40 miles from Chino Hills to the south. Have not felt any aftershocks as yet.
It was a moderately hard jolt here at first followed by a sharp jolt and some hard shaking which lasted too long. I'm about 50 miles East of the epicenter. The aftershocks have been mild rolling shakes.
Something sure jiggled into a new position.