Magnitude 7.6 CARLSBERG RIDGE
2003 July 15 20:27:50 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
| Phase Data |
15 JUL 2003 (196)
ot = 20:27:50.27 +/- 0.21 CARLSBERG RIDGE
lat = -2.562 +/- 5.6
lon = 68.296 +/- 5.0 MAGNITUDE 7.6 (GS)
dep = 10.0 (geophysicist)
635 km (395 miles) NW of Diego Garcia, Chagos Archipelago
945 km (580 miles) SW of MALE, Maldives
1650 km (1030 miles) SW of COLOMBO, Sri Lanka
nph = 80 of 288 se = 0.94 FE=421 A
error ellipse = (204.2,114.2, 0.0; 0.0, 0.0, 0.0; 7.6, 6.4, 0.0)
mb = 6.4 ( 40) ML = 0.0 ( 0) mblg = 5.8 ( 1) md = 0.0 ( 0) MS = 7.6 ( 42)
sta phase arrival res dist azm amp per mag amp per mag sta
COCO qP 20:34:01.15 1.0 29.8 110 g:1.3+0 1.1 5.8 b:3.7+2 .60 6.4 COCO
LR 20:42:01.40 S:6.8+2 19. 7.3
KMBO eP 20:34:12.64 1.4 31.1 272 b:4.1+1 .91 5.3X KMBO
LR 20:42:35.68 S:3.5+2 22. 7.0
CM31 eP 20:34:58.69 -0.8 36.7 54 b:8.7+1 .99 5.5 CM31
LR 20:45:16.72 S:1.2+3 20. 7.7
LSA eP 20:35:19.00 1.2 38.8 33 b:1.7+3 1.5 6.5 LSA
LR 20:46:17.36
LSZ eP 20:35:39.02 -0.6 41.5 250 b:1.7+2 1.1 5.7 LSZ
LR 20:47:33.15 S:3.3+2 19. 7.2
EIL eP 20:36:11.77 2.2 45.2 318 b:8.2+1 1.2 5.5 EIL
QIZ eP 20:36:17.18 0.2 46.1 60 b:7.4+2 1.6 6.4 QIZ
LR 20:49:46.00
LBTB eP 20:36:21.73 -0.4 46.8 238 b:6.6+1 1.2 5.6 LBTB
LR 20:50:03.95 S:4.0+1 19. 6.4X
GNI eP 20:36:30.49 1.5 47.7 336 b:3.0+3 1.0 7.3 GNI
LR 20:50:29.31
MALT eP 20:36:39.29 -1.1 49.2 329 b:7.9+2 1.2 6.6 MALT
CSS eP 20:36:43.69 -0.8 49.7 322 CSS
ENH eP 20:36:54.05 -1.3 51.1 47 b:9.8+2 .97 6.7 ENH
LR 20:52:07.14
KIV eP 20:36:59.55 -0.2 51.7 337 b:4.9+3 1.7 7.1 KIV
LR 20:52:23.99 S:4.2+2 20. 7.5
BR131eP 20:37:08.58 0.8 52.7 327 b:2.1+2 .90 6.1 BR13
LR 20:52:53.75 S:4.5+2 19. 7.5
MBWA eP 20:37:11.82 -0.4 53.3 115 b:8.2+2 1.3 6.5 MBWA
LR 20:53:11.03
SUR eP 20:37:12.46 -1.1 53.5 231 b:3.6+2 1.2 6.2 SUR
LR 20:53:15.38 S:1.2+2 20. 6.9
KURK eP 20:37:14.79 -0.4 53.8 8 KURK
LR 20:53:24.39
MSKU eP 20:37:21.55 -0.6 54.7 270 b:2.9+3 1.9 7.0 MSKU
LR 20:53:48.33 S:1.5+2 21. 7.0
NWAO eP 20:37:22.99 -0.2 54.8 129 b:5.7+2 1.1 6.5 NWAO
LR 20:53:53.99 S:4.6+2 20. 7.6
ZRNK eP 20:37:25.91 -0.3 55.3 1 ZRNK
BRVK eP 20:37:26.63 -0.5 55.4 1 BRVK
LR 20:54:11.07
SANT eP 20:37:28.64 0.1 55.6 318 SANT
TATO eP 20:37:49.45 1.1 58.4 59 b:5.8+3 2.3 7.2 TATO
LR 20:55:34.47 S:4.6+2 21. 7.6
ARU eP 20:37:54.08 -0.5 59.3 354 b:1.4+3 1.2 6.9 ARU
LR 20:56:01.90 S:1.8+2 20. 7.2
ULN eP 20:38:03.09 -0.2 60.5 29 b:6.5+2 1.6 6.5 ULN
LR 20:56:36.64 S:1.6+3 22. 8.1
MLR eP 20:38:06.33 1.3 60.8 327 MLR
TLY eP 20:38:11.84 0.2 61.8 24 b:5.7+2 1.3 6.6 TLY
LR 20:57:12.35 S:1.5+3 21. 8.1
OBN eP 20:38:20.02 -0.2 63.1 340 b:2.6+2 1.4 6.2 OBN
LR 20:57:49.75 S:2.9+2 20. 7.5
KWP eP 20:38:33.07 -0.3 65.1 329 b:2.2+3 1.6 7.1 KWP
WRAB eP 20:38:42.96 -0.8 66.6 111 b:4.0+1 1.7 5.3X WRAB
LR 20:59:30.56 S:2.5+2 22. 7.4
INCN eP 20:38:47.95 2.1 67.0 47 b:1.0+2 .80 6.1 INCN
LR 20:59:41.60 S:3.3+2 19. 7.6
SUW eP 20:38:49.17 -0.3 67.7 333 SUW
KS15 eP 20:38:50.99 -0.6 67.9 48 KS15
LR 21:00:07.47
VSL eP 20:38:51.43 -2.0 68.2 314 VSL
STU eP 20:39:16.65 -0.6 72.2 323 STU
RGN eP 20:39:20.22 0.3 72.7 330 RGN
DBIC eP 20:39:26.69 0.5 73.6 278 b:3.4+2 1.2 6.2 DBIC
LR 21:02:48.33
WLF eP 20:39:30.09 0.1 74.4 323 b:7.0+2 1.3 6.5 WLF
STKA eP 20:39:30.29 -0.8 74.5 122 STKA
LR 21:03:14.09
CART qP 20:39:35.38 -0.3 75.3 310 CART
MAJO eP 20:39:36.55 -0.4 75.5 51 b:1.8+2 .95 6.1 MAJO
LR 21:03:43.74
KONO eP 20:39:44.95 0.3 77.0 334 b:1.3+3 1.4 6.8 KONO
LR 21:04:24.96
GUMO eP 20:39:47.07 -1.7 77.6 76 b:1.1+3 1.4 6.7 GUMO
LR 21:04:42.27
CTAO eP 20:39:50.77 0.7 77.8 110 b:9.1+1 1.0 5.8 CTAO
LR 21:04:49.24
ESLA eP 20:39:52.36 1.2 78.1 311 b:2.3+2 1.3 6.1 ESLA
LR 21:04:56.07
PMG eP 20:39:54.70 0.2 78.6 99 b:4.5+2 .94 6.5 PMG
LR 21:05:11.66
TAU eP 20:40:02.38 -0.3 80.2 133 TAU
LR 21:05:57.75 S:1.6+2 19. 7.4
MTE eP 20:40:06.19 -0.3 80.9 311 MTE
YSS eP 20:40:07.75 -0.6 81.3 42 b:1.1+3 1.1 6.8 YSS
LR 21:06:28.88
ESK eP 20:40:08.34 -1.7 81.7 327 b:6.0+2 1.3 6.5 ESK
LR 21:06:38.92
SNAA eP 20:40:10.70 0.6 81.7 198 SNAA
KBS qP 20:40:31.92 -1.5 86.4 351 b:3.0+1 .95 5.5 KBS
LR 21:08:52.55
QSPA eP 20:40:38.55 -0.5 87.4 180 b:2.8+1 1.0 5.5 QSPA
LR 21:09:23.40
SPA P 20:40:39.78 0.6 87.5 180 b:9.2+1 1.4 5.8 SPA
LR 21:09:23.87
MA2 P 20:40:44.16 0.7 88.4 30 b:1.1+2 1.3 6.0 MA2
LR 21:09:50.09
SBA eP 20:40:48.79 1.2 89.3 168 b:1.3+3 1.7 6.9 SBA
LR 21:10:16.46
PET eP 20:41:01.74 0.2 92.2 37 b:3.4+1 .90 5.7 PET
LR 21:11:40.47
SACV 20:41:03.58 0.1 92.5 285 SACV
LR 21:11:47.22
BILL eP 20:41:15.17 -0.5 95.4 22 b:1.6+2 1.3 6.3 BILL
LR 21:13:09.04
HNH P 20:43:26.58 -7.2X 126.2 325 HNH
LR 21:27:47.69
HKL P 20:43:55.33 -9.9X 133.0 64 HKL
ACSO ePKPdf 20:44:05.88 -4.5X 134.4 329 ACSO
LR 21:31:41.30 S:1.3+2 22. 7.6
NEW ePKPdf 20:44:09.78 0.2 134.2 5 NEW
LR 21:31:37.58 S:2.1+2 19. 7.9
ULM ePKPdf 20:47:02.43 -0.7 130.6 347 ULM
LR 21:29:54.53
LVC ePKPdf 20:47:05.18 -0.5 131.3 237 LVC
LR 21:30:14.69
SSPA ePKPdf 20:47:05.69 0.9 131.3 326 SSPA
LR 21:30:14.77
RPW ePKPdf 20:47:08.67 -0.2 133.5 9 RPW
HUMP P 20:47:08.80 1.2X 132.5 292 HUMP
LPAZ P 20:47:11.67 2.1X 133.1 245 LPAZ
LR 21:31:03.81
MSO eP 20:47:12.05 -1.4X 135.9 2 MSO
LR 21:32:24.06 S:9.3+1 21. 7.5
BMW ePKPdf 20:47:13.15 1.2 135.1 11 BMW
DPW P 20:47:13.37 2.6X 134.5 6 DPW
e 20:47:18.41 7.7X
HAWA ePKPdf 20:47:13.60 0.4 135.8 8 HAWA
LR 21:32:22.59 S:2.2+2 20. 7.9
NLW P 20:47:14.01 4.0X 134.1 8 NLW
CHMT P 20:47:14.26 0.8X 135.8 2 CHMT
HRY P 20:47:15.24 1.5X 136.0 0 HRY
SCCK qPKPdf 20:47:16.76 -1.2 138.1 324 SCCK
TCUT ePKPdf 20:47:18.69 -5.7X 141.6 360 TCUT
HSO ePKPdf 20:47:19.34 1.9 138.0 12 HSO
YBH e 20:47:19.74 -1.0X 139.8 13 YBH
LR 21:34:15.39
QLMT P 20:47:19.88 2.4X 137.9 360 QLMT
BW06 P 20:47:20.19 -1.1X 139.9 358 BW06
LR 21:34:19.78
SHW P 20:47:20.41 7.5X 135.6 10 SHW
HUMO P 20:47:20.43 1.5X 138.9 13 HUMO
LR 21:33:49.98
BOZ P 20:47:20.85 5.0X 137.1 360 BOZ
LR 21:32:58.99 S:1.8+2 21. 7.8
SPUT ePKPdf 20:47:21.51 -2.4 141.4 1 SPUT
KSU1 P 20:47:23.41 0.2X 141.1 341 KSU1
LR 21:34:53.67
ELK P 20:47:24.91 0.1X 141.9 4 ELK
LR 21:35:14.89
DAU P 20:47:25.52 -0.2X 142.3 359 DAU
WCN ePKPdf 20:47:26.40 0.2 142.7 10 WCN
HWUT e 20:47:27.11 3.7X 141.1 360 HWUT
LR 21:34:54.14
JLU P 20:47:27.20 1.9X 142.1 360 JLU
PAHR ePKPdf 20:47:27.43 1.8 142.4 10 PAHR
CTU P 20:47:27.51 2.5X 142.0 0 CTU
BEKR P 20:47:27.96 2.9X 142.0 11 BEKR
MNV ePKPdf 20:47:28.15 0.1 143.8 9 MNV
LR 21:36:10.75
AHID P 20:47:28.23 7.0X 140.0 359 AHID
LR 21:34:21.03
RW3 ePKPdf 20:47:28.33 -0.8 144.3 355 RW3
PV01 ePKPdf 20:47:28.93 -0.4 144.5 356 PV01
CMB P 20:47:28.94 1.0X 143.8 12 CMB
LR 21:36:10.64
TPH ePKPdf 20:47:28.94 0.0 144.3 7 TPH
LR 21:36:24.48
MSU ePKPdf 20:47:29.21 0.3X 144.2 1 MSU
PV10 e 20:47:29.25 0.2X 144.3 356 PV10
MVU P 20:47:29.31 0.4X 144.2 1 MVU
LR 21:36:22.43
SAO ePKPdf 20:47:29.34 -0.3 144.8 14 SAO
LR 21:36:38.81
OMM ePKPdf 20:47:29.96 0.5 144.5 10 OMM
MTUM ePKPdf 20:47:30.32 0.5 144.8 10 MTUM
LRV ePKPbc 20:47:31.31 0.9 145.2 13 LRV
WMOK ePKPbc 20:47:32.44 1.0 145.8 341 WMOK
LR 21:37:07.27
DAC ePKPbc 20:47:33.98 2.0X 146.0 9 DAC
LR 21:37:13.40
NEN ePKPbc 20:47:35.81 2.4X 146.9 5 NEN
GSC ePKPbc 20:47:36.79 3.3X 147.1 8 GSC
LR 21:37:43.89
BNM ePKPbc 20:47:36.82 1.2X 148.2 352 BNM
LAZ ePKPbc 20:47:36.87 1.6X 148.0 353 LAZ
LENM ePKPbc 20:47:37.28 1.7X 148.3 353 LENM
GDL2 ePKPbc 20:47:38.74 0.9X 149.7 348 GDL2
JCT ePKPbc 20:47:39.68 1.4X 150.0 339 JCT
LR 21:39:07.93
GLA ePKPbc 20:47:39.78 2.4X 149.5 5 GLA
LR 21:38:53.62
CPRX ePKPbc 20:47:40.38 3.9X 148.8 347 CPRX
MWC P 20:47:41.09 6.0X 147.9 10 MWC
LR 21:38:08.56
TUC P 20:47:41.64 2.9X 150.4 358 TUC
LR 21:39:18.36
HKT P 20:47:41.76 5.4X 148.9 333 HKT
LR 21:38:34.93
LTX P 20:47:42.92 1.2X 152.3 345 LTX
LR 21:40:12.58
BAR P 20:47:42.92 5.3X 149.7 8 BAR
LR 21:38:57.93
CLNB P 20:47:44.21 6.7X 149.6 347 CLNB
BJT LR 20:56:47.08 60.9 41 BJT
HIA LR 21:00:09.74 68.0 34 HIA
MDJ LR 21:01:58.87 71.8 41 MDJ
NAO01LR 21:04:25.88 77.0 335 NAO0
ARE0 LR 21:04:40.17 77.5 346 ARE0
TIXI LR 21:07:30.82 83.5 16 TIXI
SPB4 LR 21:08:19.73 85.2 351 SPB4
VNDA LR 21:09:47.70 88.3 167 VNDA
CMLA LR 21:12:46.74 94.6 308 CMLA
WAKE LR 21:14:45.43 98.7 71 WAKE
KWAJ LR 21:15:10.06 99.6 82 KWAJ
SNZO LR 21:15:37.90 100.6 133 SNZO
FX1 LR 21:15:49.90 101.0 37 FX1
SMY LR 21:16:06.62 101.6 37 S:2.6+2 22. 7.7 SMY
RCBR LR 21:17:10.91 103.8 263 RCBR
PMSA LR 21:17:26.20 104.4 199 PMSA
TNA LR 21:18:05.55 105.8 21 TNA
ADK LR 21:18:48.64 107.3 36 ADK
UNV LR 21:21:07.97 112.1 32 UNV
MIDW LR 21:21:20.71 112.6 61 MIDW
COLA LR 21:21:21.30 112.6 16 COLA
MCK LR 21:21:37.46 113.2 17 MCK
BDFB LR 21:22:14.75 114.5 252 BDFB
FIB LR 21:22:20.90 114.7 19 S:6.5+2 20. 8.2 FIB
PMR LR 21:22:21.62 114.7 19 PMR
DIV LR 21:23:01.53 116.1 18 DIV
KDAK LR 21:23:04.59 116.2 23 KDAK
SCHQ LR 21:23:11.17 116.5 333 S:1.5+2 21. 7.6 SCHQ
TRQA LR 21:24:18.91 118.9 223 TRQA
CPUP LR 21:24:56.54 120.2 238 S:2.3+1 20. 6.8 CPUP
PQI LR 21:25:48.12 122.0 326 S:2.8+2 19. 7.9 PQI
SIT LR 21:26:03.05 122.5 15 SIT
EMMW LR 21:26:10.85 122.8 324 S:3.8+2 21. 8.0 EMMW
WVL LR 21:26:49.88 124.1 325 S:3.4+2 20. 8.0 WVL
WES LR 21:27:54.49 126.4 323 S:3.4+2 20. 8.0 WES
HRV LR 21:27:56.42 126.5 324 HRV
BRYW LR 21:28:06.08 126.8 323 BRYW
BBSR LR 21:28:07.67 126.9 309 BBSR
NCB LR 21:28:13.85 127.1 327 S:9.2+1 20. 7.5 NCB
RAR LR 21:28:22.00 127.4 119 RAR
BINY LR 21:29:14.70 129.2 326 S:5.3+1 19. 7.3 BINY
SAML LR 21:29:45.35 130.3 256 SAML
KIP LR 21:30:12.14 131.2 64 KIP
EYMN LR 21:30:20.73 131.5 342 S:1.8+2 21. 7.8 EYMN
CBN LR 21:30:51.74 132.6 323 S:1.1+2 20. 7.6 CBN
SJG LR 21:30:55.56 132.8 292 SJG
MCWV LR 21:31:05.05 133.1 326 S:1.1+2 21. 7.5 MCWV
AAM LR 21:31:06.47 133.1 331 S:1.5+2 22. 7.7 AAM
OCWA LR 21:31:22.73 133.7 12 S:1.6+2 19. 7.7 OCWA
POHA LR 21:31:28.96 133.9 65 POHA
BLA LR 21:32:02.15 135.1 324 S:1.3+2 21. 7.6 BLA
JFWS LR 21:32:13.41 135.5 337 S:1.6+2 20. 7.7 JFWS
COR LR 21:32:54.03 136.9 12 COR
WCI LR 21:33:12.38 137.6 330 WCI
NHSC LR 21:33:14.40 137.6 319 S:1.0+2 19. 7.6 NHSC
RSSD LR 21:33:26.67 138.1 352 RSSD
YMR LR 21:33:26.74 138.1 359 YMR
LKWY LR 21:33:29.38 138.2 359 S:3.0+2 22. 8.0 LKWY
MYNC LR 21:33:45.90 138.7 325 MYNC
HLID LR 21:33:56.40 139.1 3 S:2.0+2 22. 7.8 HLID
GOGA LR 21:34:07.80 139.5 322 GOGA
WVOR LR 21:34:16.85 139.8 8 WVOR
WVT LR 21:34:20.78 140.0 329 WVT
CCM LR 21:34:22.12 140.0 335 CCM
MOD LR 21:34:24.25 140.1 10 MOD
WDC LR 21:34:47.81 140.9 13 WDC
PLAL LR 21:34:49.68 141.0 328 PLAL
DWPF LR 21:35:05.50 141.5 314 DWPF
BMN LR 21:35:18.25 142.0 7 BMN
OXF LR 21:35:19.73 142.0 329 OXF
HOPS LR 21:35:27.16 142.3 15 HOPS
CBKS LR 21:35:27.47 142.3 345 CBKS
ISCO LR 21:35:33.87 142.5 352 ISCO
DUG LR 21:35:33.98 142.5 1 DUG
MPU LR 21:35:39.47 142.7 360 MPU
MIAR LR 21:36:15.16 144.0 334 MIAR
SDCO LR 21:36:30.94 144.5 352 SDCO
TPNV LR 21:36:59.51 145.5 6 TPNV
WUAZ LR 21:37:47.47 147.2 360 WUAZ
PTCN LR 21:37:48.69 147.2 148 PTCN
ANMO LR 21:37:53.14 147.4 352 ANMO
LDFC LR 21:37:55.61 147.5 5 LDFC
SNCC LR 21:38:27.37 148.6 13 SNCC
PFO LR 21:38:32.73 148.8 8 PFO
RPN LR 21:39:18.41 150.4 184 RPN
PAYG LR 21:43:04.87 158.3 262 PAYG
Generated 2003 JUL 15 at 22:17 UTC
