CSMIP: Aptos , CA Seacliff Bluff Array Agency Number: 47750 Site Geology: Alluvium 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 Hypocentral dist: 188.2 km Summary page for this earthquake Plot Acceleration Surface - Above Downhole Add this instrument's data to the download bin Component: Up PGA (cm/s/s): -2.91 PGV (cm/s): 0.25 Add this to bin Component: 90 PGA (cm/s/s): -6.60 PGV (cm/s): 0.63 Add this to bin Component: 180 PGA (cm/s/s): -6.95 PGV (cm/s): 0.47 Add this to bin Surface site - near Bluff Add this instrument's data to the download bin Component: Up PGA (cm/s/s): -4.16 PGV (cm/s): 0.25 Add this to bin Component: 90 PGA (cm/s/s): -7.39 PGV (cm/s): 0.65 Add this to bin Component: 180 PGA (cm/s/s): 8.95 PGV (cm/s): 0.47 Add this to bin Return to top Home + Login + Download + About Us + Contact Earthquakes + stations + Search + Map + Advanced Search