http://earthquake.usgs.gov/earthquakes/eventpage/ci37511872#general_summary
M3.1 - 2km S of Rowland Heights, California
USGS is a good resource.
If you think USGS is good, you should check this out.
EARTHQUAKE 3D - http://www.wolton.net/quake.html
Go to link, download the FREE PROGRAM. Takes about 2 seconds. Then simply CLICK on the icon to run it.
A fully rotatable, zoomable, spinable map of Earthquakes all over the planet in a 3D DISPLAY.
Zip around the globe and zoom in or out. See patterns of Earthquake activity like you can’t in any other website or program.
Use CONTROLS to limit EQ Magnitude or time since occurrence.
Change rendering of the global surface. Make it so you can see EQ activity on both sides of the planet at the same time.
This program is AWESOME. I bring it up on my computer and in 2 seconds I can see all EQ activity around the entire planet.