Mexico City Earthquake (image) Stanford's School of Earth, Energy & Environmental Sciences Share Print E-Mail Caption The Fiber Optic Seismic Observatory successfully detected the 8.2 magnitude earthquake that struck Central Mexico on Sept. 8, 2017. Credit Credit: Siyuan Yuan. Usage Restrictions The image may only be used with appropriate caption or credit. Share Print E-Mail 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.