Severe Coastal Erosion During an El Niño Storm (image) US Geological Survey Share Print E-Mail Caption Severe coastal bluff erosion, along the southern end of Ocean Beach, San Francisco, Calif. This storm damage occurred during the 2009-2010 El Niño, which, on average, eroded the shoreline 55 meters that winter. Credit Jeff Hansen, US Geological Survey Usage Restrictions None 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.