If you notice the Nor cal list that says 4.3 says 4.3Mw (moment magnitude) and the 4.1 is Ml (local) - which are 2 different measurements.

The data shown on the scec version of recenteqs is from northern cal networks for the northern cal quakes so you can be assured that the map and list is correct.

So its not just the socal network getting data...

Data sources are listed as:
Data Sources

Northern California - USGS = U.S. Geological Survey, Menlo Park
Northern California - UCB = University of California, Berkeley
Southern California - USGS = U.S. Geological Survey, Pasadena
Southern California - Caltech = California Institute of Technology
Southern California - UCSD = University of California, San Diego
Nevada - UNR = University of Nevada, Reno
US and World - USGS/NEIC = National Earthquake Information Center
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Council of the National Seismic System (CNSS)