Uhm, yes it does. It's realtime data. And since it's backed by actual scientific instruments, you can tell immediately if it was a magnitude 3 in Berkeley, or

Uhm, yes it does. It's realtime data. And since it's backed by actual scientific instruments, you can tell immediately if it was a magnitude 3 in Berkeley, or a magnitude 6 in Parkfield, which is better than some tweet of "I just felt an earthquake".