Ancient Fractures (IMAGE) Columbia Climate School Caption Structural geologist Folarin Kolawole catalogs ruptures in bedrock made by ancient earthquakes. This photo was taken near the epicenter of the April 5 Tewksbury quake shortly after it happened. Credit Kevin Krajick/Lamont-Doherty Earth Observatory Usage Restrictions Credit must be given. License Original 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.