This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.4 mb
Local datetime 2018/07/31 17:42
Universal datetime 2018/07/31 08:42
Latitude 37.26 ° ± 4 km
Longitude 141.10 ° ± 4 km
Depth 10 km (from location) ± 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
Tokyo  213 8.336599e+06
Kawasaki  229 1.306785e+06
Sendai  114 1.037562e+06
Niigata  196 505272
Utsunomiya  135 449865
Iwaki  30 357309
Kōriyama  66 340560
Kawagoe  207 337931
Fukushima  77 294237
Maebashi  205 282711
Yamagata  132 254538
Mito  113 246538
Nagaoka  200 195318
Sakata  215 100446
Tsuruoka  195 99820

Past seismicity

  This map shows only the 0 most significant earthquakes around this event.

Event details

Parameters

Evaluation status
RMS 0.82
Azimuthal gap 73.22 °
Number of stations used 40
Number of phases used 40

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 08:43:01.17 0.73 253.74 2.43 Automatic
II ERM P 08:43:35.7 -0.74 17.75 5.01 Automatic
IU YSS P 08:44:40.60 -0.54 6.67 9.77 Automatic
IU PET P 08:46:53.62 0.93 32.14 19.93 Automatic
IU MA2 P 08:47:27.47 0.22 12.48 23.16 Automatic
IU YAK P 08:47:50.82 -0.72 347.66 25.76 Automatic
IU ULN P 08:48:02.82 0.04 304.03 26.95 Automatic
IU BILL P 08:49:02.97 -0.63 16.68 33.87 Automatic
IU MAKZ P 08:50:27.29 -0.66 302.04 43.87 Automatic
II KURK P 08:50:39.77 -0.87 308.01 45.46 Automatic
IU TARA P 08:50:46.19 0.26 133.23 46.34 Automatic
II KAPI P 08:50:47.67 -0.7 209.88 46.72 Automatic
II KDAK P 08:50:51.77 -0.54 41.92 46.95 Automatic
IU COLA P 08:51:07.44 0.39 32.23 48.85 Automatic
II AAK P 08:51:17.32 1.16 298.22 50.02 Automatic
II BRVK P 08:51:16.87 -0.1 312.3 50.13 Automatic
II NIL P 08:51:47.32 0.27 288.03 54.17 Automatic
IU KBS P 08:52:29.92 0.42 350.11 60.16 Automatic
II LVZ P 08:52:38.97 -0.18 335.77 61.57 Automatic
IU MBWA P 08:52:35.92 -1.7 202.68 61.79 Automatic
IU KEV P 08:52:47.92 -0.18 339.22 62.9 Automatic
II OBN P 08:53:17.92 -0.36 323.19 67.52 Automatic
IU COR P 08:53:24.42 1.22 49.72 68.3 Automatic
II KIV P 08:53:35.87 -0.03 310.87 70.34 Automatic
IU GNI P 08:53:43.42 2.57 306.61 71.16 Automatic
II UOSS P 08:53:41.47 -0.41 287.62 71.37 Automatic
II FFC P 08:53:53.62 -0.51 32.51 73.37 Automatic
IU KIEV P 08:53:54.72 -1.36 322.24 73.7 Automatic
IU KONO P 08:54:05.67 1.03 336.96 75.17 Automatic
IU SFJD P 08:54:06.2 0.31 4.71 75.36 Automatic
IU ANTO P 08:54:25.29 0.86 312 78.69 Automatic
II PFO P 08:54:25.42 -0.18 55.97 78.91 Automatic
IU RSSD P 08:54:28.72 -0.5 41.48 79.55 Automatic
IU TUC P 08:54:49.49 -0.1 53.96 83.42 Automatic
IU ANMO P 08:54:54.64 0.1 49.58 84.39 Automatic
II BFO P 08:54:55.42 -0.63 330.65 84.67 Automatic
IU SLBS P 08:55:21.42 1.64 60.01 89.63 Automatic
IU CCM P 08:55:23.57 -0.74 38.57 90.55 Automatic
IU WCI P 08:55:34.22 -0.46 35.37 92.78 Automatic
IU HKT P 08:55:41.94 0.72 46.73 94.23 Automatic