Phase Data
21 MAY 2011 (141)
ot = 13:08:06.27 +/- 1.62 LUZON, PHILIPPINES
lat = 17.257 +/- 9.2
lon = 121.755 +/- 11.3 MAGNITUDE 5.3 (GS)
dep = 45.1 +/- 6.3
19 km (12 miles) NW of Ilagan, Luzon, Philippines (pop N/A)
155 km (96 miles) NE of Baguio, Luzon, Philippines (pop 252,000)
161 km (100 miles) SE of Laoag, Luzon, Philippines
305 km (189 miles) NNE of MANILA, Philippines
nph = 157 of 157 se = 0.80 FE=249 A
error ellipse = (262.0, 4.0, 17.3;171.0, 12.0, 14.1; 10.0, 76.0, 9.3)
mb = 5.3 ( 1) ML = 5.0 ( 20) mblg = 4.0 ( 10) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
TWG ePn 13:09:26.11 -0.5 5.6 354 L:2.6+0 1.3 5.3 g:7.2-1 1.0 4.5 TWG
YULB ePn 13:09:33.00 -1.2 6.1 356 L:3.2-1 1.1 4.5 g:2.4-1 1.2 4.1 YULB
TPUB ePn 13:09:35.22 1.2 6.1 350 L:6.7-1 1.2 4.8 g:2.5-1 1.0 4.1 TPUB
SSLB ePn 13:09:40.83 0.8 6.5 354 L:4.9-1 1.7 4.8 g:1.7-1 1.3 3.9 SSLB
NACB ePn 13:09:43.70 -1.0 6.9 359 L:4.0-1 1.4 4.8 g:1.5-1 1.0 3.9 NACB
YOJ ePn 13:09:48.18 -1.8 7.3 9 L:8.2-1 1.6 5.3 YOJ
YHNB ePn 13:09:51.85 0.2 7.4 357 L:5.2-1 1.2 5.1 g:1.4-1 1.0 3.9 YHNB
TATO ePn 13:09:57.20 1.6 7.7 358 L:3.7-1 2.0 5.0 g:1.0-1 .98 3.8 TATO
JOW ePn 13:10:42.01 -2.9 11.3 31 JOW
KKM ePn 13:10:59.68 -0.6 12.4 207 KKM
MYLDMePn 13:11:04.81 4.2 12.4 195 MYLD
SBUM ePn 13:12:06.11 -0.4 17.4 214 b:2.0+2 1.5 5.0 SBUM
JNU ePn 13:12:10.93 0.1 17.8 26 b:1.1+2 1.1 4.9 JNU
LUWI eP 13:12:16.15 0.5 18.2 177 b:2.4+2 .80 5.4 LUWI
KSM eP 13:12:27.15 -0.5 19.3 217 b:5.1+2 1.7 5.5 KSM
INCN eP 13:12:41.83 0.3 20.6 11 b:1.3+2 .95 5.2 INCN
KS01 eP 13:12:43.74 -0.6 20.9 14 KS01
KS15 eP 13:12:44.35 -0.2 20.9 14 KS15
CM01 eP 13:12:54.49 0.5 21.7 277 CM01
CHTO eP 13:12:55.44 1.3 21.7 278 b:1.1+2 1.2 5.1 CHTO
CM31 eP 13:12:56.22 2.1 21.8 277 CM31
KAPI eP 13:12:58.24 -0.9 22.2 185 b:1.2+2 1.1 5.2 KAPI
INU eP 13:13:03.01 0.2 22.6 34 b:1.0+2 1.3 5.1 INU
FAKI eP 13:13:03.25 0.4 22.6 152 b:7.7+1 .80 5.2 FAKI
MYKOMeP 13:13:08.86 -2.4 23.4 231 b:4.4+1 1.1 4.8 MYKO
KULM eP 13:13:14.40 -1.1 23.8 243 b:9.8+1 1.5 5.1 KULM
IPM eP 13:13:14.71 -1.9 23.9 240 b:4.3+1 1.0 4.9 IPM
PSI eP 13:13:38.20 -3.3 26.7 240 b:5.3+1 1.3 5.0 PSI
SOEI eP 13:13:47.80 3.9 26.9 175 b:1.8+2 1.2 5.6 SOEI
MTN eP 13:14:19.90 -2.5 31.3 162 b:4.2+1 1.4 5.0 MTN
ULN eP 13:14:36.72 1.1 32.8 342 b:1.2+2 1.1 5.7 ULN
SONA1eP 13:14:37.05 -0.2 33.0 341 SONA
FITZ eP 13:14:54.42 -3.1 35.3 174 FITZ
TLY eP 13:15:12.65 -0.7 37.2 341 b:1.0+2 1.3 5.6 TLY
WRAB eP 13:15:25.48 -2.9 39.0 161 b:9.5+1 1.3 5.4 WRAB
AS01 eP 13:15:53.59 -2.8 42.4 163 AS01
AS31 eP 13:15:53.88 -2.5 42.4 163 b:5.5+0 1.0 4.2 AS31
MK01 eP 13:16:07.90 -0.1 43.8 321 MK01
MK31 eP 13:16:08.95 0.8 43.9 321 MK31
MKAR eP 13:16:08.95 0.8 43.9 321 MKAR
MAKZ eP 13:16:10.49 0.8 44.0 321 b:2.5+1 .90 5.0 MAKZ
YAK eP 13:16:16.94 -0.6 45.1 5 b:2.7+1 .70 5.2 YAK
PEA0BeP 13:16:18.60 -2.1 45.4 30 b:3.3+1 1.0 5.2 PEA0
PEA0 eP 13:16:18.93 -1.7 45.4 30 PEA0
PET eP 13:16:23.50 -0.3 45.8 30 b:3.2+1 .90 5.3 PET
ZAA0 eP 13:16:27.93 -0.5 46.4 331 ZAA0
eP 13:16:28.02 -0.4
TKM2 eP 13:16:30.48 -0.2 46.7 313 b:1.9+1 1.3 4.9 TKM2
AAK eP 13:16:37.42 1.4 47.3 313 b:7.1+0 .80 4.7 AAK
KURK eP 13:16:39.60 0.0 47.9 324 b:7.1+1 1.0 5.6 KURK
EKS2 eP 13:16:40.90 1.0 47.9 312 b:9.6+0 .90 4.8 EKS2
KBL eP 13:16:56.07 0.4 49.9 301 b:3.5+1 1.1 5.3 KBL
KKAR eP 13:16:58.70 0.3 50.3 312 KKAR
EIDS eP 13:17:06.30 1.8 51.1 145 b:7.5+1 1.7 5.4 EIDS
BBOO eP 13:17:07.92 -0.5 51.6 165 b:6.9+1 1.1 5.6 BBOO
STKA eP 13:17:12.07 -2.3 52.4 159 b:1.2+1 .85 4.9 STKA
BRVK eP 13:17:22.81 0.5 53.5 324 b:2.6+1 .90 5.3 BRVK
ZRNK eP 13:17:27.72 0.4 54.2 324 b:2.6+1 .85 5.3 ZRNK
TIXI eP 13:17:28.40 -0.9 54.5 3 b:4.3+1 .90 5.5 TIXI
ARMA eP 13:17:36.64 0.1 55.4 149 b:8.2+1 1.7 5.5 ARMA
BILL eP 13:17:53.38 -1.4 58.1 18 b:4.7+1 .90 5.6 BILL
CAN eP 13:17:57.40 0.5 58.3 154 b:5.8+1 1.4 5.5 CAN
ABKAReP 13:17:59.75 0.0 58.8 318 ABKA
ARU eP 13:18:14.68 -0.4 61.0 326 b:2.7+1 .70 5.5 ARU
TNA eP 13:18:50.70 1.0 66.3 25 b:1.5+1 1.1 5.0 TNA
GNI eP 13:19:10.76 1.6 69.3 307 b:4.0+1 1.3 5.2 GNI
KIV eP 13:19:16.86 0.7 70.4 311 b:4.7+1 1.1 5.4 KIV
TT01 eP 13:19:21.04 0.4 71.3 29 TT01
TTA eP 13:19:21.32 0.5 71.3 29 b:2.6+1 .88 5.2 TTA
SVW2 eP 13:19:23.10 0.9 71.5 31 b:1.9+1 1.1 5.0 SVW2
CAST eP 13:19:31.70 0.5 73.0 28 b:7.9+1 .88 5.7 CAST
PPLA eP 13:19:32.07 0.8 73.0 29 b:2.2+1 .88 5.1 PPLA
SPU eP 13:19:32.43 0.0 73.2 30 SPU
BPAW eP 13:19:34.18 0.5 73.4 27 b:7.0+1 .96 5.6 BPAW
MLY eP 13:19:34.30 0.5 73.5 26 b:5.3+1 .88 5.5 MLY
KTH eP 13:19:34.61 0.3 73.5 28 b:2.0+1 .84 5.1 KTH
COLD eP 13:19:34.72 0.9 73.5 24 b:3.2+1 .88 5.3 COLD
TRF eP 13:19:36.04 0.0 73.8 28 b:1.3+2 2.0 5.5 TRF
BRLK eP 13:19:37.56 0.9 73.9 32 b:1.8+2 2.0 5.7 BRLK
RC01 eP 13:19:38.38 -0.6 74.4 30 b:7.4+1 1.9 5.3 RC01
BWN eP 13:19:38.62 0.7 74.2 27 b:5.5+1 .92 5.5 BWN
RND eP 13:19:39.10 -0.6 74.5 28 b:6.3+1 .92 5.6 RND
MCK eP 13:19:39.31 0.1 74.4 28 b:7.6+1 .96 5.6 MCK
PMR eP 13:19:39.51 -0.7 74.6 30 b:3.2+1 .88 5.3 PMR
COLA eP 13:19:40.68 -0.3 74.7 26 b:2.5+1 .90 5.2 COLA
WRH eP 13:19:40.72 0.0 74.7 27 b:2.3+1 .96 5.1 WRH
IL1 eP 13:19:41.89 -1.6 75.1 26 IL1
SML eP 13:19:42.20 -0.2 74.9 29 b:4.6+1 .96 5.4 SML
ILB eP 13:19:42.42 -1.0 75.1 26 ILB
SCM eP 13:19:45.46 0.3 75.4 29 b:7.4+1 .88 5.6 SCM
FYU eP 13:19:46.60 1.0 75.5 24 b:4.4+1 1.0 5.4 FYU
PAX eP 13:19:49.00 0.1 76.1 28 b:2.8+1 1.0 5.1 PAX
ARA0 eP 13:19:49.30 0.1 76.2 339 ARA0
KLU eP 13:19:49.36 0.1 76.1 30 b:2.2+1 1.0 5.1 KLU
DIV eP 13:19:50.45 0.5 76.2 30 b:3.9+1 .92 5.4 DIV
BKZ eP 13:19:50.68 2.3 75.9 139 b:1.1+2 1.9 5.4 BKZ
EYAK eP 13:19:50.73 0.2 76.4 31 b:4.8+1 1.4 5.3 EYAK
DOT eP 13:19:51.18 -0.4 76.5 27 b:7.0+1 .92 5.7 DOT
RAGM eP 13:19:52.93 -0.9 76.9 31 b:1.9+1 .84 5.2 RAGM
MENT eP 13:19:53.44 0.2 76.8 28 b:1.5+1 .64 5.1 MENT
EGAK eP 13:19:57.01 -0.1 77.5 26 b:3.0+1 .85 5.3 EGAK
FIA1 eP 13:19:57.52 -0.5 77.7 331 FIA1
eP 13:19:58.15 0.2
BR131eP 13:19:58.67 -0.4 77.8 308 BR13
BR231eP 13:19:58.89 -3.6 78.4 308 BR23
KIEV eP 13:20:01.05 -1.2 78.4 320 b:1.6+1 1.1 4.9 KIEV
AK11 eP 13:20:01.90 -0.6 78.5 320 AK11
DAWY eP 13:20:02.61 0.3 78.5 26 b:4.2+1 .95 5.4 DAWY
CSS eP 13:20:05.78 -0.4 79.1 303 b:1.5+1 .90 4.9 CSS
INK eP 13:20:07.65 0.2 79.4 21 b:4.0+1 .95 5.3 INK
TIRR eP 13:20:13.00 -0.4 80.5 314 b:2.5+1 1.2 5.0 TIRR
BUR08eP 13:20:20.90 0.4 81.8 317 BUR0
SKAG eP 13:20:21.09 1.3 81.7 30 b:3.6+1 1.1 5.3 SKAG
MLR eP 13:20:21.58 0.4 81.9 315 b:1.8+1 .80 5.1 MLR
KARP eP 13:20:30.74 -0.5 83.8 305 b:3.1+1 .90 5.4 KARP
NC405eP 13:20:33.10 -0.3 84.3 333 NC40
OJC eP 13:20:33.69 0.1 84.3 321 b:2.1+1 .80 5.3 OJC
NC602eP 13:20:33.90 -0.7 84.6 333 NC60
NC303eP 13:20:34.07 0.2 84.4 333 NC30
NB201eP 13:20:34.10 -0.4 84.5 333 NB20
WRAK eP 13:20:34.11 0.9 84.3 32 b:1.8+1 1.1 5.1 WRAK
NC204eP 13:20:34.82 -0.4 84.7 333 NC20
SANT eP 13:20:35.11 -1.5 84.9 306 b:1.7+2 1.0 6.1 SANT
NBO02eP 13:20:35.20 -0.3 84.7 333 NBO0
NAO01eP 13:20:35.67 -0.2 84.8 333 NAO0
DLBC eP 13:20:36.47 1.4 84.6 30 b:3.8+1 1.2 5.4 DLBC
PSZ eP 13:20:37.99 0.5 85.1 319 b:2.6+1 1.1 5.3 PSZ
LAST eP 13:20:38.29 -0.2 85.2 305 b:5.4+1 .90 5.7 LAST
RES eP 13:20:38.79 0.4 85.4 9 b:3.4+1 .95 5.5 RES
IDI eP 13:20:39.02 -1.5 85.6 306 b:2.6+1 1.1 5.3 IDI
MORC eP 13:20:41.83 0.5 85.9 321 b:6.0+1 1.2 5.7 MORC
AGG eP 13:20:42.23 -1.9 86.4 310 b:4.9+1 .96 5.7 AGG
CLL eP 13:20:50.25 -0.9 87.9 324 b:1.2+1 1.3 5.0 CLL
GEA0 eP 13:20:53.87 -0.4 88.5 321 GEA0
KHC eP 13:20:53.90 -0.1 88.5 321 b:1.6+0 .90 4.3 KHC
GEC2 eP 13:20:54.55 0.2 88.5 321 b:6.0+0 .90 4.9 GEC2
YKB5 eP 13:20:56.29 -0.4 89.1 23 YKB5
YKW3 eP 13:20:56.64 0.2 89.1 23 b:2.6+1 1.1 5.5 YKW3
SUMG eP 13:20:58.78 0.4 89.4 354 b:2.1+1 1.0 5.4 SUMG
TIP eP 13:21:02.95 -0.2 90.4 311 b:2.2+1 1.0 5.5 TIP
CUC eP 13:21:03.12 -1.7 90.7 313 b:1.5+1 1.2 5.3 CUC
CEL eP 13:21:08.09 0.4 91.4 311 b:6.9+1 1.0 6.0 CEL
AQU eP 13:21:08.40 0.4 91.4 315 b:2.9+1 1.1 5.6 AQU
FUORNeP 13:21:09.35 0.5 91.6 320 b:3.8+1 1.2 5.7 FUOR
PGC eP 13:21:09.97 -3.1 92.6 37 b:3.8+1 1.3 5.7 PGC
BFO eP 13:21:10.51 0.3 91.9 322 b:2.9+1 1.7 5.4 BFO
TUE eP 13:21:11.72 0.0 92.2 320 b:4.0+1 1.5 5.6 TUE
SENINeP 13:21:17.66 0.0 93.5 321 b:1.2+1 1.0 5.3 SENI
B06A eP 13:21:19.27 0.7 93.8 36 b:2.1+1 1.1 5.5 B06A
LON eP 13:21:22.85 0.8 94.5 38 b:5.1+0 1.2 4.8 LON
B08A eP 13:21:25.67 1.1 95.1 36 b:1.2+1 1.1 5.2 B08A
K05A eP 13:21:34.95 0.7 97.1 41 b:1.3+1 1.1 5.4 K05A
BSMT eP 13:21:38.36 0.9 97.9 35 BSMT
SDV ePKPbc 13:27:57.22 1.1 151.3 26 SDV
RUS ePKPbc 13:27:58.06 -1.6 152.7 34 RUS
LPAZ ePKPdf 13:28:11.10 0.1 170.5 84 LPAZ
PTGA ePKPab 13:28:55.99 -0.2 163.5 6 PTGA
Generated 2011 MAY 21 at 13:34 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
