Magnitude 6.8 NORTHERN ALGERIA
2003 May 21 18:44:19 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
| Phase Data |
21 MAY 2003 (141)
ot = 18:44:18.96 +/- 0.34 NORTHERN ALGERIA
lat = 36.876 +/- 7.9
lon = 3.727 +/- 4.7 MAGNITUDE 6.8 (HRV)
dep = 10.0 (geophysicist)
65 km (40 miles) E of ALGIERS, Algeria (pop 1,519,000)
90 km (55 miles) ENE of Blida, Algeria (pop 226,000)
170 km (105 miles) WNW of Setif, Algeria
230 km (140 miles) ENE of Ech-Cheliff, Algeria
nph = 104 of 257 se = 1.11 FE=396 A
error ellipse = (174.4, 84.4, 0.0; 0.0, 0.0, 0.0; 10.3, 6.1, 0.0)
mb = 6.6 ( 79) ML = 0.0 ( 0) mblg = 6.2 ( 2) md = 0.0 ( 0) MS = 6.9 ( 48)
sta phase arrival res dist azm amp per mag amp per mag sta
VSL eP 18:45:36.52 -1.6 5.2 58 d:4.1+2 6.4X VSL
eS 18:46:37.80 59.7X
ESLA eP 18:45:57.71 -1.7 6.7 297 ESLA
LR 18:47:29.98
AQU eP 18:46:34.22 -1.2 9.3 51 AQU
ESK eP 18:48:44.66 1.2 19.0 348 g:1.5+1 1.2 6.5 b:2.3+3 1.1 6.3 ESK
LR 18:53:22.17
KONO ePc 18:49:25.14 -0.5 23.1 8 g:3.3+0 1.6 5.9X b:2.2+3 1.4 6.5 KONO
LR 18:55:17.63 S:1.3+2 19. 6.4
CMLA ePc 18:49:27.01 -0.2 23.2 281 g:1.3+0 1.5 5.5X b:1.1+3 1.3 6.2 CMLA
LR 18:55:22.82
OBN ePc 18:50:17.49 -1.7 28.8 40 g:1.8+0 1.4 5.8 b:2.0+3 1.3 6.7 OBN
LR 18:58:00.56 S:1.2+2 20. 6.5
KIV ePc 18:50:31.10 -1.3 30.3 64 b:5.2+2 1.7 6.1 KIV
LR 18:58:41.61 S:3.5+1 19. 6.0
GNI ePc 18:50:47.23 -0.9 32.1 71 b:8.8+2 1.6 6.4 GNI
LR 18:59:32.31
ARU iPc 18:52:03.74 -0.6 41.1 44 b:1.7+3 1.2 6.6 ARU
LR 19:03:50.74
KBS ePc 18:52:15.51 1.8 42.3 2 b:8.1+2 1.2 6.3 KBS
LR 19:04:24.72
ZRNK ePc 18:52:53.34 -0.6 47.3 48 ZRNK
BRVK ePc 18:52:58.78 -1.1 48.0 48 BRVK
LR 19:07:07.37
CHKZ ePc 18:53:00.14 -0.5 48.1 47 CHKZ
KMBO ePc 18:53:08.48 0.7 49.0 133 b:8.2+2 1.4 6.6 KMBO
LR 19:07:34.42
PQI eP 18:53:34.77 -0.7 52.7 305 PQI
LR 19:09:21.97
EMMW qP 18:53:36.22 -0.9 52.9 302 EMMW
LR 19:09:27.98
KURK ePc 18:53:40.57 -1.3 53.5 50 KURK
LR 19:09:45.28
LBNH ePc 18:53:59.50 -0.8 56.1 303 b:1.8+3 1.7 6.8 LBNH
LR 19:10:58.48 S:1.3+2 21. 7.0
HRV ePc 18:54:01.50 -1.5 56.4 301 b:6.5+2 1.5 6.4 HRV
LR 19:11:09.08
LSZ eP 18:54:06.48 0.8 56.8 152 b:5.9+2 1.0 6.5 LSZ
LR 19:11:17.59
NCB ePc 18:54:11.87 -0.1 57.7 303 b:1.3+3 1.7 6.7 NCB
LR 19:11:45.24 S:1.2+2 22. 7.0
BINY ePc 18:54:24.75 -0.3 59.6 302 b:7.1+2 1.4 6.6 BINY
LR 19:12:38.80 S:6.6+1 20. 6.8
SSPA ePc 18:54:38.43 0.0 61.5 301 b:3.4+3 2.0 7.2 SSPA
LR 19:13:34.46
CBN eP 18:54:42.42 -0.7 62.2 298 b:3.9+2 .98 6.6 CBN
LR 19:13:54.62 S:5.8+1 19. 6.8
FCC ePc 18:54:47.57 -0.6 63.1 325 b:1.6+2 .98 6.2 FCC
MCWV ePc 18:54:49.31 -0.9 63.3 301 b:1.6+3 1.5 7.0 MCWV
LR 19:14:25.15 S:6.4+1 20. 6.8
SJG ePc 18:54:50.29 -1.2 63.4 273 b:3.2+2 1.4 6.3 SJG
LR 19:14:29.22
AAM eP 18:54:58.09 -1.0 64.7 305 AAM
LR 19:15:03.81 S:5.5+1 19. 6.8
BLA ePc 18:54:59.00 -1.4 64.8 299 b:3.3+2 1.0 6.4 BLA
LR 19:15:08.82 S:5.6+1 19. 6.8
ACSO eP 18:55:01.54 -0.9 65.2 303 b:1.8+3 1.3 7.1 ACSO
LR 19:15:18.56 S:1.2+2 22. 7.0
EYMN ePc 18:55:11.24 -1.8 66.8 313 b:8.5+2 1.2 6.8 EYMN
LR 19:16:05.62 S:8.4+1 21. 6.9
NHSC eP 18:55:11.64 -0.3 66.7 295 b:2.8+3 1.7 7.2 NHSC
LR 19:16:00.45 S:5.4+1 20. 6.8
TLY ePc 18:55:18.00 0.5 67.6 42 b:1.3+3 1.4 6.9 TLY
LR 19:16:24.95 S:5.7+1 20. 6.8
MYNC ePc 18:55:22.09 -1.6 68.5 298 b:2.1+3 1.9 7.0 MYNC
LR 19:16:53.19 S:7.6+1 19. 6.9
WCI eP 18:55:22.23 -0.8 68.4 302 WCI
LR 19:16:50.41
JFWS ePc 18:55:22.89 -1.3 68.6 308 b:8.7+2 1.6 6.7 JFWS
LR 19:16:56.38 S:5.5+1 22. 6.8
GOGA ePc 18:55:26.24 0.3 68.9 296 b:1.4+3 1.7 6.9 GOGA
LR 19:17:03.92 S:5.5+1 22. 6.8
BR131LR 18:55:31.04 23.6 74 BR13
SUR ePc 18:55:37.97 0.7 70.7 165 b:1.1+3 1.4 6.8 SUR
LR 19:17:55.64 S:1.6+2 22. 7.2
PLAL ePc 18:55:39.56 -1.2 71.3 300 b:5.3+2 1.0 6.6 PLAL
LR 19:18:13.39
LRAL ePc 18:55:40.52 -2.0 71.6 298 b:1.3+2 .76 6.1 LRAL
LR 19:18:21.40 S:8.0+1 21. 7.0
ULN ePc 18:55:41.58 -0.3 71.5 44 b:4.4+2 1.2 6.4 ULN
LR 19:18:17.05
CCM eP 18:55:41.72 -2.1 71.8 304 b:7.8+2 1.4 6.6 CCM
LR 19:18:27.77
GNAR eP 18:55:43.82 -1.8 72.1 302 GNAR
OXF iPc 18:55:45.92 -1.9 72.5 300 b:1.5+3 1.0 7.0 OXF
LR 19:18:46.98 S:9.4+1 22. 7.0
BILL ePc 18:55:59.26 -0.1 74.6 7 b:1.0+3 1.5 6.6 BILL
LR 19:19:45.34
MIAR ePc 18:56:04.12 -0.2 75.3 302 b:6.8+2 1.1 6.6 MIAR
LR 19:20:07.87 S:1.2+2 21. 7.2
IMA eP 18:56:08.13 1.0 75.9 351 b:3.2+3 1.1 7.3 IMA
COLA ePc 18:56:08.93 0.5 76.2 348 b:8.0+2 1.6 6.5 COLA
LR 19:20:30.72
RSSD ePc 18:56:09.82 0.4 76.2 315 b:8.6+2 1.7 6.6 RSSD
LR 19:20:32.72
CBKS ePc 18:56:12.12 -0.8 76.9 309 b:1.8+3 1.2 7.0 CBKS
LR 19:20:51.63 S:5.0+1 20. 6.8
THY ePc 18:56:14.85 0.9 77.1 346 THY
MCK ePc 18:56:15.27 -0.1 77.4 348 b:6.7+2 1.4 6.5 MCK
LR 19:21:06.06
TNA ePc 18:56:17.83 1.0 77.7 357 b:6.1+2 1.4 6.5 TNA
LR 19:21:14.08
WMOK ePc 18:56:22.55 -0.5 78.7 305 b:1.6+3 1.6 6.8 WMOK
LR 19:21:43.86 S:7.6+1 19. 7.0
SML iPc 18:56:25.66 1.0 79.1 347 SML
BOZ ePc 18:56:26.99 0.5 79.3 320 b:7.9+2 1.2 6.6 BOZ
LR 19:22:01.89 S:5.5+1 21. 6.9
PMR ePc 18:56:27.61 1.2 79.4 347 b:8.7+2 1.3 6.6 PMR
LR 19:22:03.84
MSO ePc 18:56:28.52 0.1 79.7 322 b:1.9+2 1.1 5.9 MSO
LR 19:22:12.17 S:4.2+1 20. 6.8
LKWY ePc 18:56:29.52 2.4 79.4 318 b:4.0+2 1.1 6.3 LKWY
LR 19:22:04.22 S:1.8+2 21. 7.4
ISCO ePc 18:56:30.01 0.5 79.8 312 b:1.4+3 1.6 6.7 ISCO
LR 19:22:16.26 S:3.7+1 20. 6.7
EYAK ePc 18:56:30.08 1.9 79.7 345 EYAK
BW06 ePc 18:56:30.84 -0.3 80.2 317 b:1.4+3 1.6 6.7 BW06
LR 19:22:25.40 S:1.0+2 22. 7.1
MA2 ePc 18:56:30.92 0.8 80.1 16 b:9.8+2 1.1 6.7 MA2
LR 19:22:22.61
NEW ePc 18:56:31.46 0.4 80.2 324 b:4.0+2 1.0 6.3 NEW
LR 19:22:26.96 S:6.3+1 20. 7.0
FIB ePc 18:56:31.58 2.0 80.0 348 FIB
LR 19:22:20.41
SIT eP 18:56:33.03 2.2 80.2 339 b:8.5+2 1.5 6.5 SIT
LR 19:22:27.23 S:1.6+2 21. 7.4
DPW eP 18:56:35.23 0.0 81.0 325 DPW
SDCO ePc 18:56:35.91 -0.3 81.1 311 b:5.3+2 1.2 6.4 SDCO
LR 19:22:51.85 S:2.1+1 19. 6.5
AHID ePc 18:56:36.19 0.7 81.0 317 b:8.6+2 1.2 6.6 AHID
LR 19:22:49.44 S:1.3+2 22. 7.2
NLW eP 18:56:40.21 0.6 81.8 326 NLW
JCT ePc 18:56:40.36 -0.2 82.0 302 b:9.1+2 1.5 6.6 JCT
LR 19:23:17.18 S:1.5+2 22. 7.3
RPW eP 18:56:41.02 0.2 82.1 327 RPW
HWUT ePc 18:56:41.84 0.9 82.0 317 b:5.9+2 1.2 6.5 HWUT
LR 19:23:19.08 S:9.4+1 21. 7.1
LNOR eP 18:56:42.22 -0.8 82.5 323 LNOR
HLID iPc 18:56:43.48 1.7 82.2 320 b:7.4+2 1.4 6.6 HLID
LR 19:23:23.91 S:1.0+2 22. 7.1
HAWA ePc 18:56:45.14 1.1 82.7 324 b:4.1+2 1.1 6.5 HAWA
LR 19:23:37.88 S:5.6+1 21. 6.9
LON ePc 18:56:48.22 0.1 83.5 326 LON
LR 19:24:00.11
GNW ePc 18:56:48.55 1.4 83.3 327 GNW
LR 19:23:55.39
ANMO ePc 18:56:49.10 0.6 83.5 309 b:8.6+2 1.7 6.7 ANMO
LR 19:24:00.21
ENH iPc 18:56:49.63 0.6 83.6 57 b:2.3+2 1.1 6.3 ENH
LR 19:24:02.23
OTAV ePc 18:56:49.70 0.0 83.6 266 b:5.6+2 1.5 6.5 OTAV
LR 19:24:03.57
DUG ePc 18:56:50.44 1.0 83.7 316 b:7.7+2 1.5 6.7 DUG
LR 19:24:06.32 S:6.2+1 20. 7.0
OCWA ePc 18:56:51.59 2.1 83.8 328 b:1.0+3 1.3 6.9 OCWA
LR 19:24:08.10 S:5.0+1 20. 6.9
SSOR eP 18:56:57.62 0.7 85.2 325 SSOR
LTX ePc 18:56:58.45 0.8 85.3 303 b:2.4+3 1.9 7.1 LTX
LR 19:24:52.03 S:7.7+1 22. 7.0
WUAZ ePc 18:57:02.97 1.4 86.1 312 b:1.3+3 1.5 6.9 WUAZ
LR 19:25:14.59 S:4.0+1 20. 6.8
MOD ePc 18:57:03.90 0.9 86.4 322 b:7.4+2 1.5 6.6 MOD
LR 19:25:23.46
SDN eP 18:57:07.25 1.1 87.2 351 b:3.9+2 1.2 6.5 SDN
YBH ePc 18:57:09.30 0.1 87.7 323 b:7.2+1 1.2 5.8 YBH
LR 19:26:00.75
TUC ePc 18:57:10.97 0.6 87.9 310 b:3.3+2 1.4 6.4 TUC
LR 19:26:06.88
WDC ePc 18:57:11.48 -1.5 88.5 322 b:5.5+1 1.1 5.8 WDC
LR 19:26:23.46
TPNV ePc 18:57:11.75 1.5 87.9 316 b:4.3+2 1.6 6.5 TPNV
LR 19:26:05.93 S:5.4+1 22. 6.9
YSS ePc 18:57:13.51 -0.8 88.8 27 b:3.2+2 1.1 6.5 YSS
LR 19:26:31.14 S:3.7+1 19. 6.8
INCN ePc 18:57:16.10 0.3 89.1 42 b:2.3+2 1.1 6.3 INCN
LR 19:26:39.17
HOPS ePc 18:57:22.12 2.1 90.0 321 b:2.9+2 1.3 6.3 HOPS
LR 19:27:05.53
SMY qP 18:57:22.28 0.9 90.4 6 b:3.9+2 1.1 6.6 SMY
LR 19:27:15.61 S:2.6+1 22. 6.6
PFO ePc 18:57:23.69 1.5 90.4 314 b:5.7+2 1.2 6.7 PFO
LR 19:27:17.69 S:3.6+1 20. 6.8
SAO eP 18:57:25.02 1.0 90.8 319 b:1.1+2 1.2 6.0 SAO
LR 19:27:30.07
QIZ ePc 18:57:25.27 0.5 91.0 65 b:4.6+2 1.9 6.5 QIZ
LR 19:27:31.99
MAJO ePc 18:57:43.99 -2.0 95.6 35 b:1.8+2 1.6 6.3 MAJO
LR 19:29:45.33
TRQA eP 18:57:47.39 -0.5 96.1 226 b:3.9+1 1.8 5.6 TRQA
LR 19:30:00.18
COCO Pu 18:58:07.19 2.8X 99.7 98 COCO
LR 19:31:39.89 S:1.2+1 19. 6.4
EFI qPdif 18:58:20.86 0.6 103.4 214 EFI
LR 19:33:27.62 S:2.3+1 20. 6.7
DBIC LR 18:59:05.57 31.1 197 DBIC
ARE0 LR 19:00:50.83 34.8 13 ARE0
LVZ LR 19:01:12.96 35.6 20 LVZ
TAU qPKPdf 19:04:07.61 -0.5 151.6 114 TAU
ePKPab 19:04:17.69 9.6X
LR 19:56:20.25 S:1.8+1 19. 6.9
SPB4 LR 19:04:09.49 41.8 4 SPB4
MBAR LR 19:05:39.44 44.9 140 MBAR
WVL LR 19:10:11.74 54.4 303 S:2.9+2 20. 7.3 WVL
BBSR LR 19:10:39.52 55.4 287 BBSR
WES LR 19:11:05.71 56.3 301 WES
RCBR LR 19:11:06.59 56.3 230 RCBR
HNH LR 19:11:10.83 56.5 302 HNH
BRYW LR 19:11:14.89 56.6 300 BRYW
LBTB LR 19:15:09.98 64.9 158 LBTB
TIXI LR 19:15:15.78 65.1 17 TIXI
BOSA LR 19:16:43.93 68.2 160 BOSA
DWPF LR 19:17:39.71 70.1 291 DWPF
WVT LR 19:17:51.24 70.5 301 WVT
LSA LR 19:18:02.04 71.0 67 LSA
PALK LR 19:20:04.09 75.3 92 PALK
HIA LR 19:21:00.41 77.2 37 HIA
DIV LR 19:21:57.89 79.2 346 DIV
HKT LR 19:22:08.36 79.6 300 HKT
YMR LR 19:22:10.79 79.7 319 YMR
BJT LR 19:23:02.43 81.5 46 BJT
MPU LR 19:23:51.12 83.2 316 MPU
ELK LR 19:24:32.95 84.6 318 ELK
CPUP LR 19:24:47.66 85.1 232 CPUP
WVOR LR 19:24:48.50 85.2 321 WVOR
MDJ LR 19:24:49.32 85.3 36 MDJ
COR LR 19:25:06.44 85.8 325 COR
KNB LR 19:25:09.26 85.9 314 KNB
HUMO LR 19:25:45.04 87.2 324 HUMO
PET LR 19:26:03.69 87.9 15 PET
MNV LR 19:26:04.89 87.9 318 MNV
LDFC LR 19:26:25.61 88.6 314 LDFC
UNV LR 19:26:43.85 89.3 354 UNV
CMB LR 19:26:47.00 89.3 319 CMB
GSC LR 19:26:48.63 89.4 315 GSC
GLA LR 19:27:01.88 89.9 313 GLA
ISA LR 19:27:07.70 90.1 316 ISA
LVC LR 19:27:18.17 90.4 242 LVC
MWC LR 19:27:31.10 90.9 315 MWC
BAR LR 19:27:40.35 91.2 313 BAR
SNCC LR 19:28:15.10 92.4 316 SNCC
PAYG LR 19:28:49.36 93.6 272 PAYG
TATO LR 19:29:28.49 95.0 54 TATO
H2O LR 19:35:38.05 108.0 328 H2O
PMSA LR 19:38:35.78 114.2 206 PMSA
MIDW LR 19:39:04.86 115.2 1 MIDW
GUMO LR 19:40:19.46 117.9 44 GUMO
KIP LR 19:41:06.74 119.5 340 KIP
POHA LR 19:41:31.26 120.4 337 POHA
WAKE LR 19:42:13.31 121.9 19 WAKE
MBWA LR 19:42:41.18 122.9 93 MBWA
NWAO LR 19:44:19.83 126.3 107 NWAO
SPA LR 19:44:31.59 126.7 180 SPA
QSPA LR 19:44:33.21 126.7 180 QSPA
SBA LR 19:50:01.95 138.3 175 SBA
PTCN LR 19:50:24.80 139.1 273 PTCN
CTAO LR 19:52:25.03 143.3 73 CTAO
SNZO LR 20:05:54.18 171.7 125 SNZO
Generated 2003 MAY 22 at 14:25 UTC
