Sediment core (IMAGE) Northumbria University Caption Identifying a sand deposit in a sediment core from Chaihuín, which subsequent analysis proved to be deposited by a local tsunami Credit Ed Garrett Usage Restrictions No restrictions. License CC0 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.