This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.1 mb
Local datetime 2021/08/27 05:49
Universal datetime 2021/08/26 20:49
Latitude 36.40 ° ± 5 km
Longitude 141.07 ° ± 5 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  143 8.336599e+06
Yokohama  170 3.574443e+06
Kawasaki  156 1.306785e+06
Sendai  210 1.037562e+06
Hachiōji  177 579399
Utsunomiya  109 449865
Iwaki  75 357309
Kōriyama  128 340560
Kawagoe  152 337931
Fukushima  158 294237
Maebashi  179 282711
Yamagata  218 254538
Mito  53 246538
Nagaoka  229 195318
Kōfu  239 190000

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.42
Azimuthal gap 138.06 °
Number of stations used 23
Number of phases used 23

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 20:49:43.82 1.68 274.58 2.31 Automatic
IU YSS P 20:51:36.25 0.03 6.26 10.64 Automatic
IU PET P 20:53:45.62 1.49 30.96 20.68 Automatic
IU MA2 P 20:54:19.62 0.76 12.1 24.01 Automatic
IU YAK P 20:54:40.62 -1.79 348.06 26.6 Automatic
IU ULN P 20:54:49.52 -0.76 305.42 27.43 Automatic
II TLY P 20:55:18.87 1.51 312.01 30.47 Automatic
IU CHTO P 20:56:45.84 -0.26 256.11 40.85 Automatic
IU MAKZ P 20:57:14.24 -0.53 302.79 44.31 Automatic
II KAPI P 20:57:26.44 0.76 210.25 45.96 Automatic
II KURK P 20:57:26.47 -1.53 308.67 45.97 Automatic
II KDAK P 20:57:40.24 -0.52 41.39 47.61 Automatic
IU COLA P 20:57:56.82 0.76 31.83 49.6 Automatic
II AAK P 20:58:01.82 -0.58 298.84 50.41 Automatic
II WRAB P 20:58:44.57 -0.76 187.55 56.69 Automatic
II KIV P 21:00:22.22 -0.3 311.09 70.89 Automatic
IU GNI P 21:00:31.72 4.59 306.83 71.66 Automatic
II FFC P 21:00:40.92 -0.86 32.36 74.11 Automatic
IU KIEV P 21:00:41.52 -1.75 322.38 74.37 Automatic
IU RSSD P 21:01:16.34 0.23 41.36 80.22 Automatic
II RAYN P 21:01:15.82 -1.48 292.29 80.49 Automatic
IU ANMO P 21:01:41.47 0.71 49.5 84.97 Automatic
II BFO P 21:01:41.67 -1.37 330.67 85.41 Automatic