8 MAY 2008 (129)
ot = 21:18:42.90 +/- 1.49 OFF EAST COAST OF HONSHU, JAPAN
lat = 36.272 +/- 3.3
lon = 142.037 +/- 3.0 MAGNITUDE 4.9 (GS)
dep = 28.5 +/- 10.4
135 km (85 miles) SE of Iwaki, Honshu, Japan (pop 360,000)
140 km (85 miles) E of Mito, Honshu, Japan (pop 246,000)
215 km (135 miles) SE of Fukushima, Honshu, Japan
215 km (135 miles) ENE of TOKYO, Japan
Felt at Tokyo and Yokosuka. Recorded (2 JMA) in Ibaraki and (1
JMA) in Fukushima, Miyagi and Saitama.
nph = 168 of 269 se = 0.81 FE=229 A
error ellipse = (293.3, 80.4, 16.0;154.1, 7.3, 5.3; 63.3, 6.2, 3.4)
mb = 4.9 ( 87) ML = 4.1 ( 1) mblg = 4.1 ( 9) md = 0.0 ( 0) MS = 4.5 ( 2)
sta phase arrival res dist azm amp per mag amp per mag sta
MJAR Pn 21:19:30.67 0.7 3.1 276 MJAR
Sn 21:20:10.84 S res = 4.8X
MAJO ePn 21:19:31.56 1.6 3.1 276 L:7.9-1 .85 4.1 MAJO
ERM ePn 21:20:03.75 -3.2X 5.8 8 d:2.5+2 6.2X L:5.5-1 .90 4.7X ERM
eSn 21:21:13.61 S res = 1.1X g:4.2-1 .90 4.2 b:1.3+2 .80 5.6X
YSS ePn 21:21:13.97 0.0 10.7 3 g:8.9-2 .90 4.0 b:6.8+1 .75 6.0X YSS
INCN ePn 21:21:37.97 0.6 12.4 280 INCN
MDJ ePn 21:21:40.05 -0.2 12.6 315 g:4.5-2 .90 3.8 b:4.5+1 .90 5.6X MDJ
JOW Pn 21:22:15.93 2.7 15.0 235 JOW
PETK P 21:23:13.30 -0.9 20.1 28 PETK
PEA0BePn 21:23:14.99 -1.2 20.1 28 PEA0
PET eP 21:23:17.82 0.3 20.4 30 g:1.2-1 1.4 4.4 b:1.2+2 1.4 5.1 PET
HIA eP 21:23:18.73 -3.0 20.8 316 HIA
BJT eP 21:23:19.50 -0.8 20.7 288 BJT
YHNB eP 21:23:20.82 -5.4X 21.2 243 g:3.3-2 1.1 4.0 b:3.3+1 1.1 4.7 YHNB
TATO qP 21:23:22.30 -0.9 20.9 243 TATO
NACB eP 21:23:26.36 -1.3 21.3 241 NACB
YULB eP 21:23:31.77 -3.5X 22.0 240 g:3.2-2 .95 4.1 b:3.2+1 .95 4.7 YULB
SSLB eP 21:23:33.04 -2.2 22.0 241 g:4.5-2 1.0 4.2 b:2.7+1 .70 4.8 SSLB
TWG eP 21:23:37.48 -3.5X 22.6 239 g:3.8-2 .80 4.2 b:2.5+1 .50 4.9 TWG
TPUB eP 21:23:38.01 -2.9 22.6 241 g:4.3-2 .75 4.3 b:4.2+1 .70 5.0 TPUB
ENH eP 21:24:29.12 -0.3 27.8 267 ENH
ULN eP 21:24:33.48 0.3 28.2 305 b:6.4+1 .90 5.3 ULN
SONM P 21:24:37.74 0.8 28.6 305 SONM
LR 21:36:14.43
TLY eP 21:25:00.72 1.1 31.2 312 TLY
QIZ qP 21:25:16.20 -0.1 33.1 247 QIZ
BILL eP 21:25:27.80 -1.3 34.6 16 b:3.1+1 1.1 5.1 BILL
e 21:25:38.63 depth = 38.9X
TIXI eP 21:25:40.92 -0.9 36.1 353 b:3.8+1 1.6 5.1 TIXI
KKM qP 21:26:00.96 0.0 38.3 224 KKM
CHTO eP 21:26:29.05 0.5 41.6 257 CHTO
CMAR P 21:26:30.80 0.7 41.8 257 CMAR
LR 21:44:37.92
CM31 eP 21:26:31.20 1.1 41.8 257 CM31
ZAA0 eP 21:26:38.13 0.3 42.8 313 ZAA0
ZALV P 21:26:38.30 0.5 42.8 313 ZALV
LR 21:45:24.93
LSA eP 21:26:38.81 0.2 42.8 276 b:2.3+1 .68 5.0 LSA
e 21:26:49.61 -1.0X
MKAR P 21:26:55.60 0.3 45.0 303 MKAR
LR 21:46:11.49
MK31 eP 21:26:55.72 0.4 45.0 303 MK31
KSM eP 21:27:00.35 1.2 45.4 228 b:1.9+2 2.0 5.7 KSM
TTA eP 21:27:02.86 1.3 45.8 34 b:9.0+0 1.0 4.6 TTA
KAPI eP 21:27:02.90 -1.4 46.1 212 b:3.8+1 .95 5.3 KAPI
e 21:27:13.43 depth = 36.0X
KURK eP 21:27:09.52 -0.2 46.8 309 b:4.9+1 .67 5.6 KURK
KDAK P 21:27:12.70 -1.1 47.3 41 KDAK
PPLA eP 21:27:15.12 -0.2 47.5 35 b:3.0+1 1.3 5.1 PPLA
CHUM eP 21:27:15.60 0.7 47.5 33 b:1.9+1 1.0 5.1 CHUM
e 21:27:26.28 -0.7X
BPAW eP 21:27:20.08 0.4 48.1 33 b:3.7+0 .96 4.4 BPAW
e 21:27:31.14 -0.6X
KTH eP 21:27:20.71 0.9 48.1 34 b:2.0+1 1.0 5.1 KTH
e 21:27:30.16 -1.7X
TRF eP 21:27:22.66 0.6 48.4 34 b:9.8+0 .96 4.8 TRF
MCK eP 21:27:25.31 -1.3 49.0 33 MCK
e 21:27:37.81 -0.9X
KULM eP 21:27:25.79 -0.5 48.9 241 KULM
e 21:27:36.58 depth = 37.3X
ePcP 21:28:51.06 0.5X
PMR eP 21:27:27.00 0.9 48.9 36 PMR
COLA eP 21:27:30.80 0.7 49.5 32 b:6.7+0 .70 4.8 COLA
e 21:27:41.04 -1.1X
TKM2 eP 21:27:38.92 0.8 50.4 299 b:1.2+2 1.2 5.7 TKM2
DIV eP 21:27:38.92 0.1 50.6 37 DIV
BMRM eP 21:27:43.67 0.5 51.2 37 b:7.8+1 1.7 5.4 BMRM
e 21:28:01.10 5.8X
AAK eP 21:27:44.64 0.1 51.3 299 AAK
BVAR P 21:27:45.36 0.0 51.5 313 BVAR
LR 21:50:52.67
BRVK eP 21:27:45.50 -0.3 51.5 313 BRVK
e 21:27:57.33 -0.6X
UCH eP 21:27:46.38 0.7 51.4 299 b:1.1+1 .88 4.8 UCH
qPcP 21:28:59.89 -0.1X
EKS2 eP 21:27:48.70 0.5 51.8 299 b:2.1+1 .90 5.1 EKS2
AML eP 21:27:51.03 0.9 52.0 299 b:4.7+1 .80 5.5 AML
e 21:28:03.53 1.2X
ePcP 21:29:03.18 0.9X
DAWY eP 21:27:58.34 0.3 53.2 33 DAWY
e 21:28:08.69 -1.4X
INK eP 21:28:10.04 0.1 54.8 27 b:1.0+1 .90 4.9 INK
e 21:28:20.93 -1.2X
WB2 eP 21:28:20.74 -0.8 56.4 189 WB2
e 21:28:30.50 depth = 31.8X
WRAB eP 21:28:20.83 -0.7 56.4 189 WRAB
e 21:28:30.83 depth = 32.6X
WRA P 21:28:20.86 -0.7 56.4 189 WRA
FITZ eP 21:28:21.83 1.1 56.3 199 b:2.6+1 1.3 5.1 FITZ
ARU eP 21:28:27.36 -0.2 57.3 319 ARU
e 21:28:37.27 depth = 32.3X
KBL eP 21:28:33.90 -0.6 58.2 292 b:1.9+1 .90 5.1 KBL
ABKAReP 21:28:38.26 -0.2 58.8 311 b:2.2+1 .80 5.3 ABKA
e 21:28:49.19 -1.5X
DLBC eP 21:28:39.76 0.6 58.9 38 DLBC
e 21:28:49.98 -1.4X
ASAR P 21:28:47.10 -0.5 60.1 189 ASAR
MBWA eP 21:28:53.11 0.1 60.9 204 b:1.2+1 .84 5.0 MBWA
e 21:29:02.78 depth = 31.6X
RES eP 21:29:07.45 -0.5 63.2 14 b:2.0+1 .95 5.2 RES
e 21:29:17.12 depth = 31.1X
YKA P 21:29:14.24 -0.5 64.2 30 YKA
ARCESP 21:29:19.35 0.3 64.9 340 ARCE
LR 22:00:37.82
FORT eP 21:29:38.88 -0.3 68.0 193 b:2.7+1 .60 5.5 FORT
e 21:29:48.83 depth = 31.9X
STKA eP 21:29:39.83 1.9 67.8 180 b:1.3+0 .93 4.0 STKA
e 21:29:50.63 0.4X
ETW eP 21:29:44.87 0.1 68.8 46 b:4.1+0 .60 4.7 ETW
e 21:29:54.59 depth = 31.1X
OBN eP 21:29:45.22 -0.2 69.0 324 OBN
e 21:29:56.78 -1.0X
FINESP 21:29:49.53 -0.2 69.7 333 FINE
LR 21:58:48.28
OD2 qP 21:29:50.01 -1.1 69.9 46 b:6.2+0 1.0 4.6 OD2
NEW qP 21:29:52.97 -0.8 70.3 44 NEW
SUMG eP 21:30:00.90 0.3 71.4 0 SUMG
e 21:30:12.82 -0.1X
KIV eP 21:30:03.13 0.4 71.8 311 KIV
e 21:30:14.11 -1.0X
JTMT eP 21:30:04.33 -0.9 72.2 44 b:6.6+0 1.0 4.6 JTMT
e 21:30:15.93 depth = 38.6X
SWMT eP 21:30:05.76 -1.2 72.5 44 b:8.1+0 .98 4.7 SWMT
GNI eP 21:30:07.11 -0.5 72.6 307 b:1.9+1 1.0 5.0 GNI
NWAO eP 21:30:07.62 -0.1 72.6 202 NWAO
SLMT eP 21:30:09.00 -0.6 72.9 44 b:1.3+1 .88 5.0 SLMT
e 21:30:20.15 depth = 36.7X
MSO eP 21:30:09.68 0.2 72.9 44 b:3.8+0 .93 4.4 MSO
WVOR eP 21:30:10.06 2.3 72.6 50 b:1.8+1 1.6 4.8 WVOR
e 21:30:19.06 -1.0X
CHMT eP 21:30:10.92 -0.7 73.3 44 b:3.9+0 1.1 4.3 CHMT
CMB eP 21:30:15.35 0.0 73.9 55 CMB
FFC eP 21:30:15.75 -0.3 74.1 33 b:1.6+1 .95 5.0 FFC
e 21:30:25.07 depth = 29.9X
HRY eP 21:30:16.99 0.1 74.2 43 b:1.8+1 .96 5.1 HRY
FCC eP 21:30:17.52 -0.6 74.5 27 b:8.4-1 1.1 3.7X FCC
e 21:30:27.10 depth = 30.7X
LRM eP 21:30:18.23 0.2 74.3 44 b:8.2+1 .90 5.7 LRM
EGMT eP 21:30:18.69 -0.1 74.5 41 b:1.9+1 .98 5.1 EGMT
DLMT eP 21:30:19.03 0.0 74.5 45 b:1.3+1 1.0 4.9 DLMT
MCMT eP 21:30:19.32 -0.8 74.7 45 b:1.5+0 .82 4.0 MCMT
BOZ eP 21:30:21.07 -0.2 74.9 44 b:7.7+0 .95 4.7 BOZ
NOA P 21:30:21.80 0.0 75.1 338 NOA
PP 21:33:16.50 7.2X
LR 22:07:08.13
AKASGP 21:30:22.25 -0.4 75.2 323 AKAS
LR 22:06:46.14
AKBB eP 21:30:22.32 -0.3 75.2 323 AKBB
e 21:30:33.26 depth = 35.7X
NVAR P 21:30:22.38 0.2 75.0 53 NVAR
KIEV eP 21:30:22.50 -0.2 75.2 323 b:2.2+1 .90 5.2 KIEV
e 21:30:32.99 depth = 33.8X
NAO01eP 21:30:23.06 -0.1 75.3 338 b:1.7+1 .90 5.0 NAO0
e 21:30:35.34 -0.3X
QLMT qP 21:30:24.32 -0.5 75.5 45 b:3.6+0 .76 4.5 QLMT
ELK qP 21:30:26.14 0.4 75.7 50 ELK
KONO eP 21:30:30.75 -0.1 76.7 337 b:1.1+1 .95 4.9 KONO
e 21:30:41.68 -0.5X
IMW eP 21:30:30.76 1.1 76.4 45 b:8.6+0 .90 4.8 IMW
e 21:30:40.93 -0.6X
RRI2 eP 21:30:31.00 0.7 76.5 46 b:1.1+1 1.0 4.8 RRI2
TPAW eP 21:30:31.62 0.6 76.6 46 b:6.5+0 .88 4.7 TPAW
e 21:30:40.98 depth = 29.9X
RLMT eP 21:30:31.66 1.3 76.6 44 b:5.0+0 .90 4.5 RLMT
LOHW eP 21:30:32.24 0.5 76.7 45 b:3.4+0 .95 4.4 LOHW
e 21:30:42.82 -0.2X
BGU eP 21:30:32.63 -0.1 76.9 49 b:3.8+0 .84 4.5 BGU
LAO eP 21:30:35.05 0.8 77.2 41 b:2.4+1 1.0 5.2 LAO
e 21:30:45.14 0.2X
HWUT eP 21:30:35.62 0.2 77.4 47 HWUT
DUG eP 21:30:35.73 -0.2 77.5 49 DUG
PDAR P 21:30:37.55 -0.5 77.8 46 PDAR
LR 22:07:47.80
BW06 eP 21:30:37.59 -0.4 77.8 46 BW06
e 21:30:48.27 0.4X
MALT eP 21:30:37.84 1.0 77.6 308 MALT
JLU qP 21:30:40.13 0.9 78.1 48 JLU
DAU eP 21:30:40.85 0.2 78.3 48 b:7.6+0 .76 4.8 DAU
MSU eP 21:30:43.54 -0.3 78.9 50 b:1.4+1 1.3 4.8 MSU
KWP eP 21:30:44.34 0.1 79.0 325 b:5.8+1 1.0 5.5 KWP
e 21:30:56.34 -0.3X
LDFC eP 21:30:44.40 -0.4 79.1 55 b:1.2+1 .43 5.2 LDFC
e 21:30:55.10 depth = 34.4X
BUR08eP 21:30:45.10 -0.2 79.2 322 BUR0
e 21:30:56.39 -1.3X
SRU eP 21:30:47.24 -0.1 79.5 49 b:1.4+1 .76 5.0 SRU
e 21:30:57.59 depth = 32.9X
KOLS eP 21:30:48.00 0.0 79.7 324 b:6.0+0 1.1 4.5 KOLS
ePP 21:31:00.00 -168.X
ULM eP 21:30:48.23 -0.4 79.9 34 b:1.8+1 1.4 4.9 ULM
e 21:30:56.87 0.7X
BRTR P 21:30:48.45 0.1 79.7 312 BRTR
PP 21:33:59.55 10.5X
LR 22:11:41.75
BR131eP 21:30:48.68 0.3 79.7 312 b:8.2+0 .83 4.8 BR13
e 21:30:58.89 depth = 32.4X
STHS eP 21:30:49.30 0.5 79.9 325 b:6.8+0 1.1 4.6 STHS
ePP 21:31:03.40 -166.X
RSSD eP 21:30:50.20 0.1 80.1 42 RSSD
e 21:31:01.00 -1.6X
KECS eP 21:30:52.50 -1.7 80.9 325 KECS
ePP 21:31:08.50 -169.X
BSEG eP 21:30:54.40 -0.1 81.0 333 BSEG
epP 21:31:04.30 depth = 31.4X
MORC eP 21:30:56.40 0.1 81.3 327 MORC
e 21:31:08.01 -0.7X
VYHS eP 21:30:58.00 -0.2 81.6 326 b:6.0+0 1.2 4.5 VYHS
ePP 21:31:10.20 -174.X
PSZ eP 21:30:58.53 0.6 81.6 325 PSZ
e 21:31:10.67 0.3X
KOLL eP 21:30:59.90 1.0 81.8 326 KOLL
SMCO eP 21:30:59.90 1.1 81.6 47 b:1.0+1 1.0 4.8 SMCO
e 21:31:10.74 -0.5X
CLL iPc 21:31:00.00 -0.1 82.0 331 b:1.7+1 1.0 5.0 CLL
iPcP 21:31:04.20 -1.3X
i 21:31:11.50 -1.0X
ePP 21:34:06.00 -1.2X
eS 21:41:12.00 S res = -0.2X
LR 21:51:12.00 S:6.0-1 16. 5.1X
MVCO eP 21:31:01.34 0.8 82.0 49 b:9.8+0 .90 4.8 MVCO
ISCO eP 21:31:01.34 0.6 82.0 46 ISCO
SMOL eP 21:31:02.80 1.3 82.3 326 SMOL
CLZ eP 21:31:02.90 -0.4 82.6 332 b:2.0+1 1.1 5.1 CLZ
EYMN eP 21:31:06.29 -1.7 83.5 33 b:3.8+0 .93 4.5 EYMN
KHC eP 21:31:07.59 -0.1 83.5 329 b:1.1+1 .95 5.0 KHC
e 21:31:18.84 -1.3X
GERESP 21:31:08.46 -0.2 83.6 329 GERE
PP 21:34:21.79 1.1X
LR 22:11:55.63
GEC2 eP 21:31:08.50 -0.2 83.6 329 b:7.0+0 1.2 4.7 GEC2
SDCO eP 21:31:08.88 0.7 83.4 48 SDCO
WET eP 21:31:09.20 0.1 83.7 329 b:9.0+0 1.3 4.8 WET
GRF eP 21:31:10.50 0.1 84.0 330 b:3.7+1 1.1 5.5 GRF
epP 21:31:19.90 depth = 29.6X
LR 21:41:19.90 S:2.0-1 19. 4.5
GRA1 eP 21:31:10.50 0.1 84.0 330 b:3.7+1 1.1 5.5 GRA1
epP 21:31:19.90 depth = 29.6X
LR 21:41:19.90 S:2.0-1 19. 4.5
ECSD eP 21:31:11.45 -0.2 84.2 38 b:2.1+1 1.5 5.1 ECSD
TNS eP 21:31:13.80 0.1 84.6 332 b:1.4+1 1.1 5.1 TNS
PERS iP 21:31:13.85 -0.3 84.7 326 PERS
e 21:31:25.15 -1.4X
ANMO eP 21:31:14.64 0.2 84.7 50 ANMO
FUR eP 21:31:16.70 0.3 85.2 329 b:3.8+1 1.4 5.4 FUR
BNM eP 21:31:16.81 0.2 85.1 51 b:4.9+0 .98 4.7 BNM
VISS iP 21:31:17.21 -0.7 85.5 326 VISS
BOJS iP 21:31:17.41 -0.7 85.5 326 BOJS
i 21:31:30.55 0.0X
JAVS iP 21:31:18.08 -1.3 85.7 326 JAVS
i 21:31:29.93 depth = 38.6X
STU eP 21:31:18.47 0.4 85.5 331 b:3.3+1 1.1 5.5 STU
e 21:31:29.67 -0.9X
BFO eP 21:31:21.30 -0.3 86.2 331 b:1.7+1 1.1 5.2 BFO
epP 21:31:31.50 depth = 32.0X
ECH eP 21:31:23.58 -0.7 86.8 332 b:1.3+1 1.0 5.1 ECH
e 21:31:36.31 -0.5X
TXAR P 21:31:40.90 -0.1 90.2 53 TXAR
LR 22:13:01.04
JTS ePKPdf 21:37:23.60 0.0 116.0 53 JTS
SDV ePKPdf 21:37:42.32 0.0 125.6 41 SDV
LPAZ ePKPdf 21:38:22.47 1.0 146.6 61 LPAZ
RCBR ePKPdf 21:38:25.78 0.0 149.6 356 RCBR
ePKPbc 21:38:30.22 -0.2X
ePKPab 21:38:35.95 0.6X
LVC qPKPdf 21:38:25.83 -0.4 150.0 72 LVC
PKPbc 21:38:31.61 0.4X
SIV PKPbc 21:38:33.30 -0.6 151.2 52 SIV
CFAA PKPbc 21:38:44.10 3.2X 154.5 88 CFAA
Generated 2008 JUN 5 at 21:56 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
