Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
activity amplitude audio background black chart curve data detector diagram different disaster display earth earthquake electronic fracture frequency geology graph illustration impact instrument line measure meter monitor motion nature paper pulse quake radio record red richter science seismic seismogram seismograph seismology seismometer sound technology tectonics vector vibration volcanic wave waveform waves