CSMIP: San Luis Obispo, CA Lopez Lake Grounds Agency Number: 36153 Latitude: 35.2080 Longitude: -120.4570 Site Geology: alluvium, sandstone Owner: California Strong Motion Instrumentation Program (external link) Owner's Station Page References Add all data on this page to the download bin View Map Parkfield, California 2004-09-28 17:15:24 UTC Closest dist to fault: 64.9 km Summary page for this earthquake Plot Acceleration Component: Up PGA (cm/s/s): 9.11 PGV (cm/s): 0.57 Add this to bin Component: 90 PGA (cm/s/s): -20.10 PGV (cm/s): 0.66 Add this to bin Component: 360 PGA (cm/s/s): 11.98 PGV (cm/s): 0.73 Add this to bin Return to top Home + Login + Download + About Us + Contact Earthquakes + stations + Search + Map + Advanced Search