Not to worry. Compare this article that appeared in the LA Times this morning - http://www.latimes.com/local/lanow/la-me-ln-earthquake-foreshock-20140317,0,2194994.story#axzz2wMPXivxJ.

It gives context, not just the bare bones of the event. The earlier article was worthwhile, as well. When I felt the shock, my immediate concern was whether this was a small quake close by, or a monster at a distance. Both the USGS site and the LA Times had that information right away, allowing me to get back to guzzling my morning tea.