Whittier Aftershock 1987-10-04 10:59:38 UTC


Region:  California
Latitude:  34.0600
Longitude:  -118.1035
Depth:  13.30 km
Mechanism:  Reverse-Oblique
Strike:  170
Dip:  70
Rake:  140
Seismic Moment:  9.01571137605956e+23
Un:  5.3
References

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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 StationPlot Acceleration
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Component: 270 PGA (cm/s/s): -210.00 PGV (cm/s): -8.50 Add this to bin
Component: 180 PGA (cm/s/s): -175.00 PGV (cm/s): 10.70 Add this to bin
Component: Up PGA (cm/s/s): -170.70 PGV (cm/s): 6.40 Add this to bin

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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 StationPlot Acceleration
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Component: 360 PGA (cm/s/s): 193.40 PGV (cm/s): 13.00 Add this to bin
Component: 270 PGA (cm/s/s): 137.20 PGV (cm/s): -9.90 Add this to bin
Component: Up PGA (cm/s/s): -64.80 PGV (cm/s): -2.90 Add this to bin

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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 StationPlot Acceleration
Spectra: Log   Lin

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Component: 360 PGA (cm/s/s): -308.60 PGV (cm/s): 17.60 Add this to bin
Component: 270 PGA (cm/s/s): 333.30 PGV (cm/s): -13.90 Add this to bin
Component: Up PGA (cm/s/s): -85.70 PGV (cm/s): 3.70 Add this to bin

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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 StationPlot Acceleration
Spectra: Log   Lin

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Component: 90 PGA (cm/s/s): 187.90 PGV (cm/s): -8.60 Add this to bin
Component: Up PGA (cm/s/s): -124.70 PGV (cm/s): 2.90 Add this to bin
Component: 0 PGA (cm/s/s): 266.00 PGV (cm/s): -11.70 Add this to bin

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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 StationPlot Acceleration
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Component: 90 PGA (cm/s/s): 136.00 PGV (cm/s): -4.00 Add this to bin
Component: Up PGA (cm/s/s): 76.30 PGV (cm/s): 2.70 Add this to bin
Component: 0 PGA (cm/s/s): 142.50 PGV (cm/s): -5.70 Add this to bin

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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 StationPlot Acceleration
Spectra: Log   Lin

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Component: 270 PGA (cm/s/s): 59.30 PGV (cm/s): -5.10 Add this to bin
Component: 180 PGA (cm/s/s): 56.30 PGV (cm/s): -5.10 Add this to bin
Component: Up PGA (cm/s/s): -52.40 PGV (cm/s): 1.80 Add this to bin

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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 StationPlot Acceleration
Spectra: Log   Lin

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Component: 360 PGA (cm/s/s): 133.20 PGV (cm/s): -9.50 Add this to bin
Component: 270 PGA (cm/s/s): 147.00 PGV (cm/s): -11.10 Add this to bin
Component: Up PGA (cm/s/s): 41.40 PGV (cm/s): 1.80 Add this to bin

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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 StationPlot Acceleration
Spectra: Log   Lin

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Component: 90 PGA (cm/s/s): 127.10 PGV (cm/s): 9.20 Add this to bin
Component: 0 PGA (cm/s/s): 111.40 PGV (cm/s): -7.00 Add this to bin
Component: Up PGA (cm/s/s): 56.50 PGV (cm/s): 2.50 Add this to bin

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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 StationPlot Acceleration
Spectra: Log   Lin

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Component: 90 PGA (cm/s/s): -130.10 PGV (cm/s): 10.60 Add this to bin
Component: Up PGA (cm/s/s): -45.20 PGV (cm/s): 2.50 Add this to bin
Component: 0 PGA (cm/s/s): 62.80 PGV (cm/s): -4.70 Add this to bin

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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 StationPlot Acceleration
Spectra: Log   Lin

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Component: 90 PGA (cm/s/s): 75.10 PGV (cm/s): 3.90 Add this to bin
Component: 0 PGA (cm/s/s): 69.90 PGV (cm/s): 2.90 Add this to bin
Component: Up PGA (cm/s/s): 61.10 PGV (cm/s): 1.50 Add this to bin

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