Offshore Northern California 2007-02-26 12:19:54 UTC
Region:
California
Latitude:
40.6420
Longitude:
-124.8700
Depth:
0.4 km
Mechanism:
Unknown
Mw:
5.4
References
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Arcata, Ca (Humboldt State University)
Eureka (Harris & Dolbeer)
Eureka , Ca (Office Bldg)
Eureka , Ca (Residential Bldg)
Eureka, Ca (South Bay School)
Eureka, Ca (4-Story Hospital)
Eureka, Ca (Eureka Channel Bridge)
Eureka, Ca (Geotechnical Array)
Eureka, Ca (Middle Channel Bridge)
Eureka, Ca (Samoa Channel Bridge)
Petrolia (Fire Station)
Zip Archives for this earthquake:
USGS-cor
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Eureka, CA - South Bay School
Hypocentral dist:
57.0 km
USGS station 1581
Processing by: KNET
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
270
PGA (cm/s/s):
14.40
PGV (cm/s):
-0.98
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Component:
180
PGA (cm/s/s):
-14.70
PGV (cm/s):
0.94
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Component:
Up
PGA (cm/s/s):
5.80
PGV (cm/s):
-0.29
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Petrolia - Fire Station
Hypocentral dist:
60.7 km
CSMIP station 89101
Processing by: CSMIP
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
360
PGA (cm/s/s):
8.63
PGV (cm/s):
-0.43
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Component:
90
PGA (cm/s/s):
13.19
PGV (cm/s):
-0.55
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Component:
Up
PGA (cm/s/s):
2.23
PGV (cm/s):
-0.10
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Eureka, CA - Samoa Channel Bridge
Hypocentral dist:
62.3 km
CSMIP station 89686
Site Geology:
Deep alluvium
Processing by: CSMIP
Structure:
Bridge
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Pier S-8: Pile at Elev. -54'
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Component:
90
PGA (cm/s/s):
3.89
PGV (cm/s):
-0.65
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Component:
0
PGA (cm/s/s):
3.66
PGV (cm/s):
0.43
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Component:
Up
PGA (cm/s/s):
1.31
PGV (cm/s):
0.12
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Pier S-8: Pile at Elev. -34'
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Component:
90
PGA (cm/s/s):
6.30
PGV (cm/s):
-0.73
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Component:
0
PGA (cm/s/s):
-9.32
PGV (cm/s):
0.91
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Component:
Up
PGA (cm/s/s):
-1.50
PGV (cm/s):
0.15
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Pier S-8: Column at Pile Cap
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Component:
90
PGA (cm/s/s):
12.47
PGV (cm/s):
2.09
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Component:
Up
PGA (cm/s/s):
-1.51
PGV (cm/s):
-0.10
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Component:
0
PGA (cm/s/s):
-13.46
PGV (cm/s):
-1.76
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West Abutment
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Component:
0
PGA (cm/s/s):
-9.12
PGV (cm/s):
0.89
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Deck near West Abutment
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Component:
90
PGA (cm/s/s):
9.95
PGV (cm/s):
0.66
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Component:
0
PGA (cm/s/s):
-9.25
PGV (cm/s):
1.03
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Pier S-17: Deck level
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Component:
90
PGA (cm/s/s):
-14.88
PGV (cm/s):
1.40
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Pier S-14: West Side of Hinge
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Component:
0
PGA (cm/s/s):
-10.65
PGV (cm/s):
-1.41
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Pier S-14: East Side of Hinge
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Component:
90
PGA (cm/s/s):
21.10
PGV (cm/s):
-1.89
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Component:
0
PGA (cm/s/s):
-15.48
PGV (cm/s):
-1.71
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Pier S-14: Column above Pile
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Component:
90
PGA (cm/s/s):
6.76
PGV (cm/s):
0.81
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Component:
0
PGA (cm/s/s):
-5.39
PGV (cm/s):
0.89
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Pier S-9: Deck Level
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Component:
90
PGA (cm/s/s):
-11.87
PGV (cm/s):
-1.52
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Mid-Span between Piers S-8
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Component:
Up
PGA (cm/s/s):
-12.76
PGV (cm/s):
0.75
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Near Pier S-8: West Side of H
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Component:
90
PGA (cm/s/s):
-16.75
PGV (cm/s):
2.09
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Component:
0
PGA (cm/s/s):
-15.05
PGV (cm/s):
-2.01
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Near Pier S-8: East Side of H
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Component:
90
PGA (cm/s/s):
-15.88
PGV (cm/s):
2.07
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Component:
0
PGA (cm/s/s):
-13.83
PGV (cm/s):
-2.12
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Pier S-4: Deck level
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Component:
90
PGA (cm/s/s):
-12.86
PGV (cm/s):
1.41
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Component:
0
PGA (cm/s/s):
-11.79
PGV (cm/s):
1.31
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Deck near East abutment
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Component:
90
PGA (cm/s/s):
11.88
PGV (cm/s):
0.67
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Component:
0
PGA (cm/s/s):
-11.25
PGV (cm/s):
1.29
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East Abutment
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Component:
90
PGA (cm/s/s):
9.25
PGV (cm/s):
0.60
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Component:
0
PGA (cm/s/s):
-9.74
PGV (cm/s):
0.98
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Freefield
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Component:
180
PGA (cm/s/s):
-9.45
PGV (cm/s):
0.63
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Component:
90
PGA (cm/s/s):
-10.53
PGV (cm/s):
0.74
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Component:
Up
PGA (cm/s/s):
-3.99
PGV (cm/s):
-0.14
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Eureka , CA - office bldg
Hypocentral dist:
62.4 km
CSMIP station 89687
Site Geology:
Deep alluvium
Processing by: CSMIP
Structure:
2-story office bldg
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Roof: Interior Wall
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Component:
360
PGA (cm/s/s):
19.37
PGV (cm/s):
-1.30
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Component:
90
PGA (cm/s/s):
16.28
PGV (cm/s):
1.14
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Roof: N. Wall
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Component:
90
PGA (cm/s/s):
14.03
PGV (cm/s):
0.93
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Roof: S. Wall
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Component:
90
PGA (cm/s/s):
16.33
PGV (cm/s):
1.04
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2nd Floor: Interior Wall
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Component:
360
PGA (cm/s/s):
15.74
PGV (cm/s):
-1.17
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Component:
90
PGA (cm/s/s):
13.85
PGV (cm/s):
1.02
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2nd Floor: N. Wall
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Component:
90
PGA (cm/s/s):
10.27
PGV (cm/s):
0.90
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2nd Floor: S. Wall
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Component:
90
PGA (cm/s/s):
12.00
PGV (cm/s):
0.96
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1st Floor: Ctr
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Component:
360
PGA (cm/s/s):
9.34
PGV (cm/s):
-0.99
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Component:
90
PGA (cm/s/s):
8.09
PGV (cm/s):
0.77
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Component:
Up
PGA (cm/s/s):
2.33
PGV (cm/s):
-0.14
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Eureka, CA - Geotechnical Array
Hypocentral dist:
62.5 km
CSMIP station 89734
Site Geology:
Deep alluvium
Processing by: CSMIP
Structure:
Geotechnical array
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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136 m (446 ft) Depth
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Component:
180
PGA (cm/s/s):
2.37
PGV (cm/s):
-0.24
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Component:
90
PGA (cm/s/s):
-2.41
PGV (cm/s):
0.23
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Component:
Up
PGA (cm/s/s):
0.00
PGV (cm/s):
0.00
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56 m (185 ft) Depth
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Component:
180
PGA (cm/s/s):
-3.04
PGV (cm/s):
0.36
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Component:
90
PGA (cm/s/s):
-3.76
PGV (cm/s):
0.31
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Component:
Up
PGA (cm/s/s):
-0.92
PGV (cm/s):
-0.10
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33 m (109 ft) Depth
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Component:
180
PGA (cm/s/s):
-3.72
PGV (cm/s):
0.49
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Component:
90
PGA (cm/s/s):
-3.82
PGV (cm/s):
0.42
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Component:
Up
PGA (cm/s/s):
1.08
PGV (cm/s):
0.10
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19 m (62 ft) Depth
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Component:
180
PGA (cm/s/s):
4.07
PGV (cm/s):
0.56
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Component:
90
PGA (cm/s/s):
-4.91
PGV (cm/s):
0.62
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Component:
Up
PGA (cm/s/s):
1.28
PGV (cm/s):
-0.11
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Surface
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Component:
180
PGA (cm/s/s):
6.71
PGV (cm/s):
0.67
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Component:
90
PGA (cm/s/s):
-9.59
PGV (cm/s):
0.91
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Component:
Up
PGA (cm/s/s):
-1.81
PGV (cm/s):
-0.14
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Eureka, CA - Middle Channel Bridge
Hypocentral dist:
62.9 km
CSMIP station 89735
Site Geology:
Deep alluvium
Processing by: CSMIP
Structure:
Bridge
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Pier M-5: Top of Pile Cap
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Component:
90
PGA (cm/s/s):
23.25
PGV (cm/s):
2.08
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Component:
0
PGA (cm/s/s):
-13.38
PGV (cm/s):
1.34
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Mid-span between Piers M-4 &
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Component:
Up
PGA (cm/s/s):
-17.87
PGV (cm/s):
-0.75
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Pier M-3: Deck Level
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Component:
90
PGA (cm/s/s):
15.96
PGV (cm/s):
1.23
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Pier M-2: Top of Pile Cap
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Component:
90
PGA (cm/s/s):
7.27
PGV (cm/s):
0.66
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Component:
0
PGA (cm/s/s):
-8.98
PGV (cm/s):
1.10
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Pier M-2: Deck Level
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Component:
90
PGA (cm/s/s):
13.55
PGV (cm/s):
0.84
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Component:
0
PGA (cm/s/s):
-13.79
PGV (cm/s):
1.36
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Pier M-5: Deck Level
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Component:
90
PGA (cm/s/s):
-25.89
PGV (cm/s):
-2.56
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Component:
Up
PGA (cm/s/s):
7.26
PGV (cm/s):
-0.43
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Component:
0
PGA (cm/s/s):
-19.17
PGV (cm/s):
1.43
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Pier M-4: Deck Level
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Component:
90
PGA (cm/s/s):
21.09
PGV (cm/s):
-1.93
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Deck Near Abut. M-1 (East Abu)
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Component:
90
PGA (cm/s/s):
12.76
PGV (cm/s):
-0.70
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Component:
0
PGA (cm/s/s):
-13.53
PGV (cm/s):
1.40
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Freefield
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Component:
180
PGA (cm/s/s):
-9.51
PGV (cm/s):
0.89
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Component:
90
PGA (cm/s/s):
-9.57
PGV (cm/s):
0.84
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Component:
Up
PGA (cm/s/s):
3.01
PGV (cm/s):
0.13
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Eureka, CA - Eureka Channel Bridge
Hypocentral dist:
63.1 km
CSMIP station 89736
Site Geology:
Deep alluvium
Processing by: CSMIP
Structure:
Bridge
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Pier E-7: Pile at Elev. -54'
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Component:
90
PGA (cm/s/s):
5.50
PGV (cm/s):
-0.57
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Component:
0
PGA (cm/s/s):
5.86
PGV (cm/s):
0.67
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Component:
Up
PGA (cm/s/s):
2.57
PGV (cm/s):
0.14
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Pier E-7: Pile at Elev. -34'
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Component:
90
PGA (cm/s/s):
-6.75
PGV (cm/s):
0.78
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Component:
0
PGA (cm/s/s):
6.59
PGV (cm/s):
0.81
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Component:
Up
PGA (cm/s/s):
-3.04
PGV (cm/s):
-0.15
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Pier E-10: Deck Level
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Component:
90
PGA (cm/s/s):
-18.05
PGV (cm/s):
1.62
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Component:
0
PGA (cm/s/s):
-13.45
PGV (cm/s):
1.14
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Pier E-13: Deck Level
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Component:
90
PGA (cm/s/s):
12.85
PGV (cm/s):
-0.74
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Component:
0
PGA (cm/s/s):
-14.01
PGV (cm/s):
1.08
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Component:
Up
PGA (cm/s/s):
-6.09
PGV (cm/s):
0.21
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Mid-span of Piers E-13 & E-14
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Component:
Up
PGA (cm/s/s):
13.31
PGV (cm/s):
0.47
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Abutment E-16
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Component:
90
PGA (cm/s/s):
-11.35
PGV (cm/s):
-0.69
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Component:
0
PGA (cm/s/s):
-12.61
PGV (cm/s):
1.08
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Component:
Up
PGA (cm/s/s):
2.32
PGV (cm/s):
0.12
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Pier E-7: Pile Cap at Column
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Component:
90
PGA (cm/s/s):
11.09
PGV (cm/s):
1.21
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Component:
Up
PGA (cm/s/s):
-1.93
PGV (cm/s):
-0.13
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Component:
0
PGA (cm/s/s):
-10.62
PGV (cm/s):
1.22
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Pier E-3: Deck Level
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Component:
90
PGA (cm/s/s):
18.35
PGV (cm/s):
-1.41
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Component:
0
PGA (cm/s/s):
-5.01
PGV (cm/s):
0.48
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Pier E-3: Column at Ground Level
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Component:
90
PGA (cm/s/s):
7.16
PGV (cm/s):
-0.83
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Component:
0
PGA (cm/s/s):
-10.35
PGV (cm/s):
1.08
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Pier E-7: Deck Level
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Component:
90
PGA (cm/s/s):
20.74
PGV (cm/s):
-2.07
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Component:
0
PGA (cm/s/s):
-12.92
PGV (cm/s):
1.25
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Freefield
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Component:
180
PGA (cm/s/s):
-10.73
PGV (cm/s):
0.94
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Component:
90
PGA (cm/s/s):
-10.58
PGV (cm/s):
0.70
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Component:
Up
PGA (cm/s/s):
3.19
PGV (cm/s):
-0.18
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Eureka - Harris & Dolbeer
Hypocentral dist:
63.3 km
CSMIP station 89781
Processing by: CSMIP
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
360
PGA (cm/s/s):
13.62
PGV (cm/s):
-0.83
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Component:
90
PGA (cm/s/s):
11.69
PGV (cm/s):
0.70
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Component:
Up
PGA (cm/s/s):
-5.20
PGV (cm/s):
0.23
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Eureka, CA - 4-Story Hospital
Hypocentral dist:
63.4 km
CSMIP station 89770
Site Geology:
Alluvium
Processing by: CSMIP
Structure:
Bridge
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Elevator Room Floor
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Component:
360
PGA (cm/s/s):
44.25
PGV (cm/s):
-1.83
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Component:
90
PGA (cm/s/s):
17.40
PGV (cm/s):
1.03
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4th Floor: West Shear Wall
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Component:
360
PGA (cm/s/s):
32.65
PGV (cm/s):
-1.68
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4th Floor: Shear Wall Near Ce
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Component:
90
PGA (cm/s/s):
12.79
PGV (cm/s):
0.83
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4th Floor: SE Shear Wall
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Component:
90
PGA (cm/s/s):
14.65
PGV (cm/s):
0.96
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2nd Floor: West Shear Wall
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Component:
360
PGA (cm/s/s):
10.62
PGV (cm/s):
-0.94
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2nd Floor: SE Shear Wall
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Component:
90
PGA (cm/s/s):
-10.45
PGV (cm/s):
0.76
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Basement: West Shear Wall
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Component:
360
PGA (cm/s/s):
7.93
PGV (cm/s):
-0.79
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Basement: South Shear Wall
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Component:
90
PGA (cm/s/s):
6.41
PGV (cm/s):
0.62
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Basement: W End of SE Shear Wall
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Component:
Up
PGA (cm/s/s):
-3.44
PGV (cm/s):
0.18
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Basement: E End of SE Shear Wall
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Component:
Up
PGA (cm/s/s):
3.59
PGV (cm/s):
0.17
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Eureka , CA - residential bldg
Hypocentral dist:
63.5 km
CSMIP station 89494
Site Geology:
Deep alluvium
Processing by: CSMIP
Structure:
5-story residential bldg
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Roof of E. Wing, E. wall
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Component:
180
PGA (cm/s/s):
49.07
PGV (cm/s):
1.96
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Roof of E. Wing, W. wall
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Component:
180
PGA (cm/s/s):
-53.76
PGV (cm/s):
2.20
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Roof of E. Wing, near ctr
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Component:
90
PGA (cm/s/s):
-17.29
PGV (cm/s):
1.09
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Roof of W. Wing, E. wall
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Component:
180
PGA (cm/s/s):
-51.21
PGV (cm/s):
2.11
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Roof of W. Wing, W. wall
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Component:
180
PGA (cm/s/s):
-44.87
PGV (cm/s):
1.87
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Roof of W. Wing, near ctr
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Component:
90
PGA (cm/s/s):
-14.42
PGV (cm/s):
1.09
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2nd Floor of E. Wing, near ctr
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Component:
90
PGA (cm/s/s):
-7.75
PGV (cm/s):
0.74
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2nd Floor of W. Wing, E. wall
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Component:
180
PGA (cm/s/s):
-19.42
PGV (cm/s):
1.07
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2nd Floor of W. Wing, W. wall
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Component:
180
PGA (cm/s/s):
-19.62
PGV (cm/s):
1.16
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2nd Floor of W. Wing, near ctr
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Component:
90
PGA (cm/s/s):
7.31
PGV (cm/s):
0.73
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Ground Floor of W. Wing
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Component:
180
PGA (cm/s/s):
-13.21
PGV (cm/s):
0.98
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Component:
90
PGA (cm/s/s):
7.46
PGV (cm/s):
0.69
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Arcata, CA - Humboldt State University - Fish Hatchery
Hypocentral dist:
71.9 km
USGS station 1580
Processing by: KNET
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
360
PGA (cm/s/s):
4.10
PGV (cm/s):
-0.23
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Component:
90
PGA (cm/s/s):
-5.20
PGV (cm/s):
0.38
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Component:
Up
PGA (cm/s/s):
1.80
PGV (cm/s):
-0.08
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