Report an earthquake experience or related observation through the Did You Feel It? citizen science webpage.
The best way to do this is to click on the earthquake that you think you felt on one of the lists on the Earthquakes webpage, and then select the "Tell Us!" link.
If you don't see the earthquake you think you felt, use the green "Report an Unknown Event" button on our Did You Feel It? page. Maps and graphs are produced from the responses in real-time.