This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2021/03/17 17:28
Universal datetime 2021/03/17 08:28
Latitude 37.74 ° ± 4 km
Longitude 141.60 ° ± 4 km
Depth 67 km (from location) ± 5 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  79 1.037562e+06
Niigata  226 505272
Utsunomiya  203 449865
Iwaki  99 357309
Kōriyama  114 340560
Kawagoe  276 337931
Akita  255 320069
Morioka  223 295172
Fukushima  99 294237
Maebashi  270 282711
Yamagata  126 254538
Mito  182 246538
Nagaoka  244 195318
Sakata  201 100446
Tsuruoka  188 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.04
Azimuthal gap 85.13 °
Number of stations used 33
Number of phases used 33

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
IU MAJO P 08:29:35.22 -0.76 247.14 2.96 Automatic
II ERM P 08:29:54.32 -1.68 15.16 4.44 Automatic
IU YSS P 08:31:03.20 1.38 4.94 9.25 Automatic
IU INCN P 08:31:39.87 2.05 273.31 11.85 Automatic
IU MA2 P 08:33:45.97 -0.39 12.12 22.61 Automatic
IU YAK P 08:34:11.57 -0.74 346.94 25.38 Automatic
IU ULN P 08:34:27.27 -0.27 303.12 27.01 Automatic
II TLY P 08:34:52.92 -0.32 310.1 29.9 Automatic
IU BILL P 08:35:21.92 -0.79 16.62 33.3 Automatic
IU TIXI P 08:35:32.47 -0.76 352.96 34.51 Automatic
IU CHTO P 08:36:33.37 0.54 255.06 41.59 Automatic
IU MAKZ P 08:36:51.92 -0.55 301.7 43.95 Automatic
II KURK P 08:37:03.72 -0.88 307.7 45.47 Automatic
II KDAK P 08:37:11.69 0.43 42.26 46.32 Automatic
II KAPI P 08:37:16.94 -0.05 210.27 47.34 Automatic
IU COLA P 08:37:27.7 0.98 32.46 48.24 Automatic
II AAK P 08:37:41.17 0.36 298.01 50.14 Automatic
II NIL P 08:38:13.12 0.78 287.91 54.39 Automatic
II WRAB P 08:38:33.44 -2.03 188.02 58.08 Automatic
II ALE P 08:38:46.17 0.05 3.54 59.16 Automatic
IU MBWA P 08:39:04.14 -1.01 203.08 62.39 Automatic
II MSVF P 08:39:25.92 1.69 141.44 65.22 Automatic
II KIV P 08:40:00.22 1.07 310.95 70.32 Automatic
II UOSS P 08:40:05.67 -0.92 287.73 71.59 Automatic
II FFC P 08:40:13.47 -0.33 32.79 72.75 Automatic
IU KIEV P 08:40:17.52 -1.04 322.36 73.56 Automatic
II PFO P 08:40:46.22 0.65 56.31 78.32 Automatic
IU ANTO P 08:40:50.32 2.82 312.18 78.65 Automatic
IU RSSD P 08:40:48.92 -0.15 41.78 78.93 Automatic
II RAYN P 08:40:55.74 -0.81 292.37 80.37 Automatic
IU TUC P 08:41:10.7 0.39 54.28 82.82 Automatic
IU ANMO P 08:41:15.37 0.77 49.89 83.78 Automatic
II BFO P 08:41:17.57 -0.48 330.9 84.44 Automatic