Well, when you are feeling shaky and it isn’t your blood sugar, you can learn about the earthquake that just happened by pointing your web browser here:
The bigger the colored square, the bigger the earthquake. You can click on the colored squares that you want to know more about to see specific details. It may take them up to an hour to post it, but check back and it should be logged in eventually. Recent quakes drop off the map after a week, otherwise the whole thing would be unreadable.