HGI partnered with Bird Seismic Services, Inc.s to provide data collection, logistical, and data QA services for a large scale 3D seismic reflection survey at the PG&E El Diablo Canyon Nuclear Power Plant site. The results were used to updated their seismic hazard analysis. The survey consisted of about 800 channels of both wired and wireless geophone sensors using several vibroseis trucks as sources.