Earthquakes Detected by MyShake Users (IMAGE) University of California - Berkeley Caption A map of the 121 earthquakes that MyShake users have recorded since the app's release in February 2016. They range in magnitude form 2.5 to 7.8. Credit Berkeley Seismological Laboratory 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.