Saturday afternoon shaking in LA

Earthquake: 4.1 quake strikes near Rowland Heights; felt over wide area »

A shallow magnitude 4.1 earthquake was reported Saturday afternoon one mile from Rowland Heights, according to the U.S. Geological Survey . The temblor occurred at 2:32 p.m. at a depth of 5.6 miles. (It was originally reported as a 4.4 magnitude.)
This is after the Friday night 5.1.. and last week’s 4.4…
Seems to be a harbinger of something else coming.. 
This was the largest aftershock yet.
Or perhaps the second largest ‘foreshock’ of a bigger one on the way..