This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 7.3 Mw(mB)
Local datetime 2012/12/07 17:18
Universal datetime 2012/12/07 08:18
Latitude 39.41 ° ± 49 km
Longitude 142.03 ° ± 54 km
Depth 30 km (operator assigned) ± 0.0 km

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See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Sendai  152 1.037562e+06
Niigata  308 505272
Iwaki  280 357309
Kōriyama  265 340560
Akita  170 320069
Aomori  193 298394
Morioka  84 295172
Fukushima  230 294237
Hakodate  286 275730
Yamagata  195 254538
Hachinohe  129 239046
Hirosaki  185 174972
Sakata  196 100446
Tsuruoka  206 99820
Muroran  338 96197

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status preliminary
RMS 0.63
Azimuthal gap 347.24 °
Number of stations used 55
Number of phases used 55

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
LE ABH P 08:30:52.39 -0.5 332.25 82.47 Manual
LE KTD P 08:30:54.6 -0.24 331.64 82.74 Manual
RT OBER P 08:30:56.54 0.35 331.49 83.1 Manual
RT STUN P 08:30:55.86 -0.34 331.47 83.1 Manual
SZ KEFF P 08:30:56.19 -0.02 331.56 83.11 Manual
FR LANF P 08:30:56.25 -0.05 331.61 83.12 Manual
SZ KUHL P 08:30:56.53 0.19 331.5 83.13 Manual
SZ LAMP P 08:30:56.19 -0.16 331.59 83.13 Manual
SZ FOR P 08:30:57.15 0.8 331.55 83.13 Manual
RT RITT P 08:30:56.64 0.28 331.47 83.14 Manual
SZ OPS P 08:30:56.51 0.11 331.53 83.14 Manual
RT BETS P 08:30:58.14 1.7 331.49 83.15 Manual
SZ SCHW P 08:30:57.91 1.37 331.52 83.17 Manual
SZ GUNS P 08:30:56.10 -0.48 331.58 83.18 Manual
LE OPP P 08:30:57.21 -0.43 331.12 83.38 Manual
LE GUT P 08:30:57.55 -0.1 330.36 83.38 Manual
FR STR P 08:30:59.9 1 331.4 83.47 Manual
FR WLS P 08:30:59.54 -0.04 331.54 83.76 Manual
LE KIZ P 08:31:00.4 -0.42 330.97 83.93 Manual
LE FELD P 08:30:59.95 -0.68 330.87 83.96 Manual
FR ECH P 08:30:59.95 -0.84 331.54 84 Manual
GB HMNX P 08:31:02.7 1.17 336.74 84.03 Manual
GB SWN1 P 08:31:01.85 0.64 338.24 84.09 Manual
FR MOF P 08:31:01.82 -0.56 331.35 84.31 Manual
FR THEF P 08:31:01.95 -0.94 332.2 84.41 Manual
FR LOMF P 08:31:04.21 -0.87 331.25 84.84 Manual
GB HTL P 08:31:08.14 0.81 339.52 85.31 Manual
GB DYA P 08:31:07.82 -1.27 338.96 85.66 Manual
G CLF P 08:31:09.86 -0.41 334.24 85.89 Manual
RD LOT2 P 08:31:09.100 -0.79 332.92 85.99 Manual
GB CCA1 P 08:31:11.4 -0.93 339.61 86.24 Manual
GB JSA P 08:31:11.99 -0.16 337.38 86.27 Manual
FR RSL P 08:31:12.31 -0.1 330.45 86.31 Manual
FR OG35 P 08:31:13.48 0.59 331.26 86.41 Manual
RD ORT2 P 08:31:17.60 0.65 330.48 87.24 Manual
FR SURF P 08:31:17.51 0.51 329.68 87.25 Manual
FR AGO P 08:31:16.60 -0.56 332.72 87.29 Manual
RD ROT2 P 08:31:17.29 -0.16 337.65 87.36 Manual
FR ISO P 08:31:17.69 -0.06 329.37 87.41 Manual
FR ESCA P 08:31:17.56 -0.99 328.98 87.57 Manual
FR PYM P 08:31:18.73 0.12 332.64 87.59 Manual
FR MON P 08:31:18.10 -0.76 328.9 87.64 Manual
FR LBL P 08:31:20.55 0.21 332.23 87.95 Manual
FR MLYF P 08:31:21.32 0.39 330.05 88.07 Manual
FR SMPL P 08:31:21.77 0.09 326.85 88.22 Manual
FR BSTF P 08:31:22.18 0.27 330.02 88.28 Manual
FR MONQ P 08:31:27.79 0.48 333.06 89.43 Manual
RD MTT2 P 08:31:30.46 0.67 331.91 89.96 Manual
FR FNEB P 08:31:32.14 0.38 331.77 90.38 Manual
FR SJAF P 08:31:31.91 -0.2 331.06 90.45 Manual
FR MLS P 08:31:32.36 -0.88 332.44 90.7 Manual
FR PYLO P 08:31:35.13 0.58 333.24 90.98 Manual
FR ATE P 08:31:35.62 -0.01 333.66 91.22 Manual
ES EALK P 08:31:36.35 -0.01 334.24 91.37 Manual
ES EARA P 08:31:38.93 0.61 334.08 91.79 Manual