Table 3 - Station Histories

ACO

Lat = 34°04.83', Long = -118°11.25', Elev = 203 m
Acosta residence, 4407 Jasper St., Los Angeles.
One-story wood-frame garage.
Co-sited with USGS smr #5244.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
276 0030 - 276 182024 2706dBUP,000,090 30318dBUP,000,090A
276 1820 - 280 1800" """ "24dB"B-D
280 1800 - 287 1635" """ "36dB"E-F

ARC

Lat = 34°07.78', Long = -118°02.18', Elev = 131 m
Arcadia High School, 180 Campus Dr., Arcadia.
One-story 8m × 8m storage room.
Co-sited with USC smr #93.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
278 2250 - 280 19556 5406dBUP,000,090 20024dBUP,000,090A-B
280 1955 - 296 1545" """ "30dB"C-E

BEC

Lat = 33°55.01', Long = -118°04.15', Elev = 32 m
Bechtel Building, Norwalk (see Figure A1).
Standard USGS free-field accelerograph pad (poorly coupled to ground?).
Co-sited with USGS smr #634 - smr not installed.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
275 2330 - 277 175520 5606dBUP,000,090 18918dBUP,000,090A-B

BEL

Lat = 33°57.89', Long = -118°09.49', Elev = 32 m
Grant Ward Latter Day Saints Church, 7420 Jaboneria St., Bell Gardens.
One-story brick building; closet near kitchen.
Co-sited with USC smr #94.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
287 1750 - 290 200042 3206dBUP,000,090 16230dBUP,000,090A-B

BNE

Lat = 34°08.21', Long = -118°07.52', Elev = 229 m
Millikan Library basement - northeast site, Caltech, Pasadena (see Figure A3).
Co-sited with USGS smr #?

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
287 2250 - 297 164020 5606dBUP,000,090 18936dBUP,000,090A-B
297 1640 - 297 1730" --- "60dB"B*
297 1730 - 313 2105" 5606dBUP,000,090 "36dB"C-D

*400 sps/channel
BNW

Lat = 34°08.21', Long = -118°07.52', Elev = 229 m
Millikan Library basement - northwest site, Caltech, Pasadena (see Figure A3).

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
287 2230 - 297 163026 1106dBUP,000,090 18436dBUP,000,090A-B
297 1650 - 297 1705" --- "60dB"C*
297 1730 - 299 1700?" 1106dBUP,000,090 "36dB"D
300 2225 - 303 2200" --- """E
303 2200 - 313 2100" 1106dBUP,000,090 """"

*400 sps/channel
299 1700? Instrument was removed by Millikan Library personnel - exact time-off is unknown.
BSE

Lat = 34°08.21', Long = -118°07.52', Elev = 229 m
Millikan Library basement - southeast site, Caltech, Pasadena (see Figure A3).

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
287 2245 - 304 1445?22 2406dBUP,000,090 30536dBUP,000,090A-C

304 1445? Time of last trigger - exact time-off is unknown.
BWY

Lat = 33°59.21', Long = -118°02.53', Elev = 102 m
Castor residence. 12431 E. Broadway, Whittier.
3m × 3m concrete pad abutting one-story wood-frame garage.
Heavily damaged residential area.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
296 2030 - 313 170042 5706dBUP,000,090 19736dBUP,000,090A-C

ECP

Lat = 34°10.63', Long = -118°05.77', Elev = 296 m
Eaton Canyon Park, Altadena.
One-story wood-frame park headquarters building; storage room.
Co-sited with CDMG smr #24402.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
278 2345 - 280 190015 2106dBUP,000,090 19024dBUP,000,090A-B
280 1900 - 297 2045" """ "36dB"C-F

ELM

Lat = 34°05.57', Long = -118°01.12', Elev = 97 m
El Monte Latter Day Saints Church, 11338 Fairview Ave., El Monte.
One-story wing of two-story stucco building; broom closet off Children's Chapel.
Co-sited with USC smr #66.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
275 2200 - 279 170513 0906dBUP,000,090 15718dBUP,014,104A-C
279 1705 - 280 1820" """ "24dB"D
280 1820 - 283 1755" """ "30dB"E-F
283 1755 - 288 1540?" """ "36dB"G-J

288 1540? Time of last trigger - exact time-off is unknown.
GAR

Lat = 34°02.92', Long = -118°06.66', Elev = 159 m
Garvey Reservoir, Monterey Park.
One-story concrete-block pump building.
Co-sited with USGS smr #709.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
275 1530 - 279 174526 5206dBUP,000,090 31118dBUP,000,090A-C
279 1755 - 280 1655" """ "24dB"D
280 1655 - 281 1600" """ "30dB"E
281 1600 - 287 1730" """ "36dB"E-F

HCH

Lat = 33°59.39', Long = -117°56.56', Elev = 159 m
First Ward Latter Day Saints Church, 16750 Colima Rd., Hacienda Heights.
One-story brick building; broom closet near center.
Co-sited with USC smr #73.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
288 1805 - 310 231513 0906dBUP,000,090 15736dBUP,000,090A-D

HOO

Lat = 33°59.08', Long = -118°01.73', Elev = 140 m
Hoover School, 6302 S. Alta Dr., Whittier.
Old one-story stone building; storage room SE corner of the north building.
Co-sited with USC smr #75.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
275 1900 - 278 165522 2906dBUP,000,090 16018dBUP,000,090A
278 1655 - 281 1530" """ "24dB"B-C
281 1530 - 287 1815" """ "36dB"C-D
296 1745 - 313 174506 55"" 154""E-F

KIN

Lat = 34°10.87', Long = -118°04.84', Elev = 441 m
Griffith residence, Kinneloa Ranch, 2254 N. Villa Rd, Pasadena.
Buried in ground 1-3 m behind one-story house.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
276 1915 - 278 230015 2106dBUP,000,090 19024dBUP,014,104A-B

LAC

Lat = 33°55.44', Long = -118°10.02', Elev = 27 m
L. A. County Roads Department, Downey.
Concrete pad; storeroom in tall metal warehouse (noisy site).
Co-sited with CDMG smr #14368.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
296 2250 - 313 160007 --- 30230,36,36dBUP,000,090?A-D

Seismometer rotated 45 degrees clockwise?
LIN

Lat = 34°05.49', Long = -118°05.56', Elev = 114 m
Lincoln School, 600 E. Grand Ave., San Gabriel.
Concrete floor; basement of two-story building.
Co-sited with USC smr #19.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
275 2040 - 278 190043 5506dBUP,000,090 15418dBUP,000,090A

LTB

Lat = 33°58.57', Long = -118°02.13', Elev = 93 m
Whittier Lutheran Towers basement, 7215 Bright Ave., Whittier (see Figure A2).
Ten-story building.
Co-sited with USGS smr #804.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
296 1840 - 313 174043 5406dBUP,000,090 20036dBUP,000,090A-B

LTH

Lat = 33°58.55', Long = -118°02.13', Elev = 93 m
Whittier Lutheran Towers free-field, 7215 Bright Ave., Whittier (see Figure A2).
Concrete floor; parking garage (64 m south of LTB).

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
296 1900 - 313 172540 3206dBUP,000,090 16236dBUP,000,090A-D

MIL

Lat = 34°08.21', Long = -118°07.52', Elev = 229 m
Millikan Library basement - northeast site, Caltech, Pasadena (see Figure A3).
Co-sited with USGS smr #?

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
277 2330 - 280 190520 5606dBUP,000,090 18924dBUP,000,090A-B
280 1905 - 287 2240" """ "36dB"C-D

MOT

Lat = 33°59.19', Long = -118°03.53', Elev = 57 m
Thrifty Luxury Motel, Whittier.
Ground floor of two-story stucco building; room 109.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
276 0030 - 276 182024 2706dBUP,000,090? 30318dBUP,000,090?A

NAR

Lat = 34°01.88', Long = -118°03.19', Elev = 67 m
Whittier Narrows Dam maintenance yard, Whittier.
Concrete pad in 1.5m × 2m metal hut (noisy site?).
Co-sited with USGS smr #289 (upstream).

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
275 1510 - 279 201542 1106dBUP,340,070 19618dBUP,340,070A-C
279 2025 - 280 1730" """ "24dB"D
280 1730 - 282 2125" """ "30dB"E-G
282 2125 - 285 2000" """ """H-I*
285 2000 - 287 1605" """ """I-J

Sensors aligned with smr.
*100 sps/channel
OLV

Lat = 34°06.02', Long = -117°58.45', Elev = 116 m
Olive Junior High School, 3699 North Holly Ave., Baldwin Park.
One-story 20m × 30m gymnasium; heater room.
Co-sited with USC smr #69.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
276 0005 - 276 214028 3206dBUP,000,090 16218dBUP,014,104A
276 2140 - 280 1755" """ "24dB"A-C
280 1755 - 282 1600" """ "30dB"D
282 1600 - 287 1630" """ "36dB"D-E

RHD

Lat = 33°58.71', Long = -118°03.66', Elev = 50 m
Rogers residence, 11432 Rose Hedge Dr., Whittier.
5m × 7m concrete patio behind one-story wood-frame house.
Lightly damaged residential area.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
297 2305 - 313 163515 2106dBUP,000,090 19036dBUP,000,090A-C

RNE

Lat = 34°08.21', Long = -118°07.52', Elev = 229 m
Millikan Library roof - northeast site, Caltech, Pasadena (see Figure A4).

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
288 2225 - 297 161024 5206dBUP,000,090 30330dBUP,000,090A-B
297 1610 - 297 1720" --- "60dB"B*

*400 sps/channel
ROS

Lat = 34°00.48', Long = -118°01.54', Elev = 268 m
Rose Hill Memorial Park, Whittier.
Sunken 10m × 6m × 6m concrete box abutting one-story brick warehouse.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
275 1710 - 276 162015 1206dBUP,000,090 18418dBUP,014,104A
276 1625 - 277 230021 """ """B
277 2300 - 278 ?" """ 305""C
278 ? - 278 2100" """ "24dB"C

RSE

Lat = 34°08.21', Long = -118°07.52', Elev = 229 m
Millikan Library roof - southeast site, Caltech, Pasadena (see Figure A4).

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
288 2335 - 297 160021 5306dBUP,000,090 19630dBUP,000,090A-B
297 1600 - 297 1710" --- "60dB"B*

*400 sps/channel
RWC

Lat = 34°08.21', Long = -118°07.52', Elev = 229 m
Millikan Library roof - westcenter site, Caltech, Pasadena (see Figure A4).

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
288 2340 - 297 162028 5106dBUP,000,090 31130dBUP,000,090A-B
297 1620 - 297 1730" --- "60dB"B*
297 1740 - 313 2140" 5106dBUP,000,090 "36dB"C-D

*400 sps/channel
SAG

Lat = 34°08.13', Long = -118°01.88', Elev = 139 m
Santa Anita Golf Course - old club house, Arcadia.
Concrete floor of 14m × 30m two-story wood-frame building (demolished after earthquake).

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
275 1630 - 276 172006 5406dBUP,000,090 20018dBUP,000,090A
276 1720 - 278 2200" """ "24dB"A-B

STE

Lat = 34°08.21', Long = -118°07.52', Elev = 229 m
Millikan Library steam tunnel - southeast site, Caltech, Pasadena (see Figure A5).

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
297 1835 - 313 213024 5206dBUP,000,090 19636dBUP,000,090A-B

STW

Lat = 34°08.21', Long = -118°07.52', Elev = 229 m
Millikan Library steam tunnel - southwest site, Caltech, Pasadena (see Figure A5).

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
297 1900 - 313 202021 5306dBUP,000,090 30336dBUP,000,090A-B

SVS

Lat = 33°59.41', Long = -118°06.83', Elev = 56 m
Saint Vincent Seminary, 1105 Bluff Rd., Montebello.
Ground floor of two-story brick building; storage room.
Co-sited with USC smr #11.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
278 2205 - 280 165021 1206dBUP,000,090 18424dBUP,000,090A-B
280 1650 - 280 1702" """ "30dB"C
280 1702 - 282 1800" """ "24dB"C
282 1800 - 287 1535" """ "36dB"C-D

SWA

Lat = 34°06.92', Long = -118°07.82', Elev = 172 m
Southwestern Academy, San Marino.
One-story concrete-block shop building; storage room.
Co-sited with CDMG smr #24401.

FBA-13L22


Time (UTC)GEOS #GainOrientation #GainOrientationTape
279 0005 - 280 222043 5506dBUP,000,090 15424dBUP,000,090A-C
280 2220 - 296 1615" """ "36dB"C-D


U.S. Geological Survey

Open-File Report 88-688

Digital Recordings of Aftershocks of the
1 October 1987 Whittier Narrows, California, Earthquake