USGS: Shelter Cove #2 Power Plant Yard Agency Number: SCP Latitude: 40.0300 Longitude: -124.0600 Site Geology: Alluvium over rock Owner: United States Geological Survey (external link) References Add all data on this page to the download bin View Map Northern California (Humboldt County) , California 1975-06-07 08:46:20 UTC Epicentral dist: 63.0 km Summary page for this earthquake Plot Acceleration Component: 70 PGA (cm/s/s): -59.25 PGV (cm/s): -2.05 Add this to bin Component: 160 PGA (cm/s/s): 95.30 PGV (cm/s): 2.78 Add this to bin Return to top Home + Login + Download + About Us + Contact Earthquakes + stations + Search + Map + Advanced Search