I use the USB DrDAQ to measure "seismic waves" and simultaneously measure the stresses acting on the "fault". You will find all the details here (in french, sorry!) : https://sites.google.com/site/desideespourlessvt/Sciences-de-la-terre/seismes-enregistrer-les-ondes-et-les-contraintes You have to do...

I use piezo electric transducer connected to the scope input of DrDAQ. You can also connect the piezo transducer to your computer (line in or micro input) and use Audacity (for example). I can give you more details for the second solution (in french but with full pictures). Sorry, I don't speack eng...