Fracture Amplitudes (IMAGE) Science China Press Caption This graph charts the change in the ratio between the amplitudes of S0 and A0 as functions of (a) fracture width and (b) fracture depth. Credit ©Science China Press Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.