Northern California (Humboldt County) 1975-06-07 08:46:20 UTC
Region:
California
Latitude:
40.5700
Longitude:
-124.1400
Depth:
21.0 km
Mechanism:
Strike-slip
Strike:
75
Dip:
72
Mw:
5.2
ML:
5.3
Ms:
5.7
References
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Cape Mendocino, Ca (Petrolia)
Ferndale, Ca (City Hall)
Petrolia, Ca (General Store)
Shelter Cove #1
Shelter Cove #2 (Power Plant Yard)
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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
Summary Page for this Station
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Spectra:
Log
Lin
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Component:
314
PGA (cm/s/s):
199.37
PGV (cm/s):
11.45
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Component:
224
PGA (cm/s/s):
174.84
PGV (cm/s):
11.19
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Component:
Up
PGA (cm/s/s):
-42.37
PGV (cm/s):
-2.66
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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 Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
345
PGA (cm/s/s):
128.06
PGV (cm/s):
6.33
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Component:
75
PGA (cm/s/s):
-158.51
PGV (cm/s):
-8.72
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Component:
Down
PGA (cm/s/s):
38.71
PGV (cm/s):
-1.58
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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 Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
120
PGA (cm/s/s):
-198.74
PGV (cm/s):
5.91
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Component:
30
PGA (cm/s/s):
103.03
PGV (cm/s):
-3.30
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Component:
Down
PGA (cm/s/s):
-37.75
PGV (cm/s):
1.72
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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 Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
290
PGA (cm/s/s):
26.26
PGV (cm/s):
-1.10
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Component:
200
PGA (cm/s/s):
29.96
PGV (cm/s):
1.80
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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 Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
160
PGA (cm/s/s):
95.30
PGV (cm/s):
2.78
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Component:
70
PGA (cm/s/s):
-59.25
PGV (cm/s):
-2.05
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