Northern California (Humboldt County) 1975-06-07 08:46:20 UTC


Region:  California
Latitude:  40.5700
Longitude:  -124.1400
Depth:  21.00 km
Mechanism:  Strike-slip
Strike:  75
Dip:  72
Seismic Moment:  7.0795e+23
Mw:  5.2
ML:  5.3
Ms:  5.7
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Ferndale, CA - City Hall Epicentral dist: 7.0 km
USGS station 1023 Site Geology: Alluvium
Processing by: USGS Structure: 2-story bldg
Data Available: corrected acceleration, velocity, displacement, & spectra
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Component: 314 PGA (cm/s/s): 199.37 PGV (cm/s): 11.45 Add this to bin
Component: 224 PGA (cm/s/s): 174.84 PGV (cm/s): 11.19 Add this to bin
Component: Up PGA (cm/s/s): -42.37 PGV (cm/s): -2.66 Add this to bin

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Petrolia, CA - General Store Epicentral dist: 31.0 km
CSMIP station 89156 Site Geology: Alluvium
Processing by: USGS Structure: Inst Shelter H
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this StationPlot Acceleration
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Component: 345 PGA (cm/s/s): 128.06 PGV (cm/s): 6.33 Add this to bin
Component: 75 PGA (cm/s/s): -158.51 PGV (cm/s): -8.72 Add this to bin
Component: Down PGA (cm/s/s): 38.71 PGV (cm/s): -1.58 Add this to bin

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Cape Mendocino, CA - Petrolia Epicentral dist: 31.0 km
CSMIP station 89005 Site Geology: Cretaceous Rock
Processing by: USGS Structure: Inst Shelter H
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this StationPlot Acceleration
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Component: 120 PGA (cm/s/s): -198.74 PGV (cm/s): 5.91 Add this to bin
Component: 30 PGA (cm/s/s): 103.03 PGV (cm/s): -3.30 Add this to bin
Component: Down PGA (cm/s/s): -37.75 PGV (cm/s): 1.72 Add this to bin

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Shelter Cove #1 Epicentral dist: 62.0 km
USGS station Site Geology: Cretaceous rock
Processing by: USGS
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this StationPlot Acceleration
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Component: 290 PGA (cm/s/s): 26.26 PGV (cm/s): -1.10 Add this to bin
Component: 200 PGA (cm/s/s): 29.96 PGV (cm/s): 1.80 Add this to bin

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Shelter Cove #2 - Power Plant Yard Epicentral dist: 63.0 km
USGS station SCP Site Geology: Alluvium over rock
Processing by: USGS
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this StationPlot Acceleration
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Component: 160 PGA (cm/s/s): 95.30 PGV (cm/s): 2.78 Add this to bin
Component: 70 PGA (cm/s/s): -59.25 PGV (cm/s): -2.05 Add this to bin

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