This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.3 mb
Local datetime 2021/08/22 11:24
Universal datetime 2021/08/22 02:24
Latitude 37.64 ° ± 5 km
Longitude 141.71 ° ± 5 km
Depth 58 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  94 1.037562e+06
Niigata  237 505272
Utsunomiya  203 449865
Iwaki  97 357309
Kōriyama  120 340560
Kawagoe  275 337931
Akita  270 320069
Morioka  237 295172
Fukushima  110 294237
Maebashi  272 282711
Yamagata  141 254538
Mito  178 246538
Nagaoka  253 195318
Sakata  216 100446
Tsuruoka  203 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 1.1
Azimuthal gap 131.81 °
Number of stations used 35
Number of phases used 35

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 02:25:21.7 -0.08 249.77 3 Automatic
II ERM P 02:25:40.27 -1.51 13.8 4.52 Automatic
IU YSS P 02:26:46.15 -1.79 4.42 9.36 Automatic
IU INCN P 02:27:27.7 3.2 273.86 11.95 Automatic
IU PET P 02:28:59.17 2.3 31.93 19.36 Automatic
IU MA2 P 02:29:32.82 0.17 11.93 22.7 Automatic
IU YAK P 02:29:58.17 -0.76 346.88 25.5 Automatic
IU ULN P 02:30:12.92 -1.3 303.27 27.15 Automatic
II TLY P 02:30:39.67 -0.29 310.21 30.04 Automatic
IU CHTO P 02:32:18.82 -0.03 255.27 41.65 Automatic
IU MAKZ P 02:32:39.7 0 301.81 44.08 Automatic
II KURK P 02:32:50.49 -0.73 307.8 45.61 Automatic
II KDAK P 02:32:56.92 -0.08 42.19 46.35 Automatic
IU COLA P 02:33:12.92 0.92 32.41 48.28 Automatic
II AAK P 02:33:27.37 0.01 298.12 50.26 Automatic
II WRAB P 02:34:18.97 -1.44 188.15 57.98 Automatic
II ALE P 02:34:32.37 -0.07 3.55 59.27 Automatic
IU KBS P 02:34:37.12 0.42 350.16 59.88 Automatic
IU MBWA P 02:34:49.39 -0.95 203.21 62.33 Automatic
IU KEV P 02:34:58.12 2.1 339.29 62.72 Automatic
II KIV P 02:35:45.87 0.24 311.03 70.46 Automatic
IU GNI P 02:35:52.72 1.9 306.78 71.32 Automatic
II UOSS P 02:35:52.17 -0.77 287.82 71.71 Automatic
II FFC P 02:35:59.82 0.11 32.81 72.8 Automatic
IU KIEV P 02:36:03.67 -1.36 322.43 73.7 Automatic
IU KONO P 02:36:12.27 -0.41 337.17 75.01 Automatic
II PFO P 02:36:31.84 0.68 56.35 78.3 Automatic
IU ANTO P 02:36:33.82 -0.1 312.25 78.79 Automatic
IU RSSD P 02:36:34.82 -0.04 41.82 78.96 Automatic
II RAYN P 02:36:41.84 -1.03 292.45 80.49 Automatic
IU ANMO P 02:37:01.14 0.85 49.94 83.78 Automatic
II BFO P 02:37:03.62 -0.8 330.96 84.57 Automatic
IU CCM P 02:37:30.4 -0.28 38.94 89.96 Automatic
IU WCI P 02:37:41.19 0.44 35.75 92.2 Automatic
IU WVT P 02:37:45.62 0.48 37.98 93.16 Automatic