Southeast Channel (IMAGE) Arizona State University Caption View of the "Southeast" channel of the Bidart fan, Carrizo Plain, looking downstream. The channel is offset approximately 10 m by the San Andreas fault, at the bend in the middle ground of the photo, near the pump can. Trench 18, or "T18" (foreground) was excavated to exposure sediment in the channel for mapping and radiocarbon dating. Credit Bidart Fan San Andreas fault research team, University of California Irvine and Arizona State University 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.