http://earthquake.usgs.gov/earthquakes/eventpage/nc72282711#...
Especially if you don't live in the Bay Area, since they'll want to know the falloff curves for it.
(You can fill out the form even if you didn't feel it. They need that data too.)
Here are the responses for the 6.0:
http://earthquake.usgs.gov/earthquakes/dyfi/events/nc/722827... (Click on "Responses")
Here is the Map:
http://earthquake.usgs.gov/earthquakes/eventpage/nc72282711#...
Especially if you don't live in the Bay Area, since they'll want to know the falloff curves for it.
(You can fill out the form even if you didn't feel it. They need that data too.)