Whittier Aftershock 1987-10-04 10:59:38 UTC
Region:
California
Latitude:
34.0600
Longitude:
-118.1035
Depth:
13.3 km
Mechanism:
Reverse-Oblique
Strike:
170
Dip:
70
Rake:
140
Un:
5.3
References
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Alhambra, Ca (Fremont School)
Altadena, Ca (Eaton Canyon Park)
Downey, Ca (County Maint. Bldg)
Inglewood, Ca (Union Oil Yard)
Los Angeles, Ca (116th St School)
Los Angeles, Ca (Baldwin Hills)
Los Angeles, Ca (Obregon Park)
Mt Wilson, Ca (Caltech Seismic Station)
San Marino, Ca (Southwestern Academy)
Tarzana, Ca (Cedar Hill Nursery A)
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Alhambra, CA - Fremont School
Hypocentral dist:
14.8 km
CSMIP station 24461
Site Geology:
Alluvium
Processing by: CSMIP
Structure:
1-Story Bldg
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):
-210.00
PGV (cm/s):
-8.50
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Component:
180
PGA (cm/s/s):
-175.00
PGV (cm/s):
10.70
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Component:
Up
PGA (cm/s/s):
-170.70
PGV (cm/s):
6.40
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San Marino, CA - Southwestern Academy
Hypocentral dist:
15.1 km
CSMIP station 24401
Site Geology:
Deep Alluvial Fan
Processing by: CSMIP
Structure:
1-Story Bldg
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):
193.40
PGV (cm/s):
13.00
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Component:
270
PGA (cm/s/s):
137.20
PGV (cm/s):
-9.90
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Component:
Up
PGA (cm/s/s):
-64.80
PGV (cm/s):
-2.90
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Los Angeles, CA - Obregon Park
Hypocentral dist:
16.3 km
CSMIP station 24400
Site Geology:
Alluvium
Processing by: CSMIP
Structure:
1-Story Bldg
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):
-308.60
PGV (cm/s):
17.60
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Component:
270
PGA (cm/s/s):
333.30
PGV (cm/s):
-13.90
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Component:
Up
PGA (cm/s/s):
-85.70
PGV (cm/s):
3.70
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Altadena, CA - Eaton Canyon Park
Hypocentral dist:
18.2 km
CSMIP station 24402
Site Geology:
Alluvium
Processing by: CSMIP
Structure:
1-Story Bldg
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
90
PGA (cm/s/s):
187.90
PGV (cm/s):
-8.60
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Component:
Up
PGA (cm/s/s):
-124.70
PGV (cm/s):
2.90
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Component:
0
PGA (cm/s/s):
266.00
PGV (cm/s):
-11.70
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Mt Wilson, CA - CalTech Seismic Station
Hypocentral dist:
22.2 km
CSMIP station 24399
Site Geology:
Granitic Rock
Processing by: CSMIP
Structure:
Seismic Vault
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
90
PGA (cm/s/s):
136.00
PGV (cm/s):
-4.00
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Component:
Up
PGA (cm/s/s):
76.30
PGV (cm/s):
2.70
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Component:
0
PGA (cm/s/s):
142.50
PGV (cm/s):
-5.70
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Downey, CA - County Maint. Bldg
Hypocentral dist:
22.6 km
CSMIP station 14368
Site Geology:
Alluvium
Processing by: CSMIP
Structure:
1-Story Bldg
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):
59.30
PGV (cm/s):
-5.10
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Component:
180
PGA (cm/s/s):
56.30
PGV (cm/s):
-5.10
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Component:
Up
PGA (cm/s/s):
-52.40
PGV (cm/s):
1.80
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Los Angeles, CA - 116th St School
Hypocentral dist:
26.0 km
CSMIP station 14403
Site Geology:
Terrace Deposits
Processing by: CSMIP
Structure:
1-Story Bldg
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):
133.20
PGV (cm/s):
-9.50
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Component:
270
PGA (cm/s/s):
147.00
PGV (cm/s):
-11.10
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Component:
Up
PGA (cm/s/s):
41.40
PGV (cm/s):
1.80
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Inglewood, CA - Union Oil Yard
Hypocentral dist:
28.7 km
CSMIP station 14196
Site Geology:
Terrace Deposit
Processing by: CSMIP
Structure:
Inst Shelter A
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
90
PGA (cm/s/s):
127.10
PGV (cm/s):
9.20
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Component:
0
PGA (cm/s/s):
111.40
PGV (cm/s):
-7.00
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Component:
Up
PGA (cm/s/s):
56.50
PGV (cm/s):
2.50
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Los Angeles, CA - Baldwin Hills
Hypocentral dist:
28.8 km
CSMIP station 24157
Site Geology:
Pleistocene Sediments
Processing by: CSMIP
Structure:
Former Reservoir, Instr Shelter A
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
90
PGA (cm/s/s):
-130.10
PGV (cm/s):
10.60
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Component:
Up
PGA (cm/s/s):
-45.20
PGV (cm/s):
2.50
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Component:
0
PGA (cm/s/s):
62.80
PGV (cm/s):
-4.70
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Tarzana, CA - Cedar Hill Nursery A
Hypocentral dist:
43.6 km
CSMIP station 24436
Site Geology:
Alluvium; 9m; Siltstone
Processing by: CSMIP
Structure:
1-Story Bldg
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this Station
Plot Acceleration
Spectra:
Log
Lin
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Component:
90
PGA (cm/s/s):
75.10
PGV (cm/s):
3.90
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Component:
0
PGA (cm/s/s):
69.90
PGV (cm/s):
2.90
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Component:
Up
PGA (cm/s/s):
61.10
PGV (cm/s):
1.50
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