This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 6.8 Mwp
Local datetime 2021/03/20 18:09
Universal datetime 2021/03/20 09:09
Latitude 38.61 ° ± 3 km
Longitude 141.38 ° ± 3 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
Sendai  48 1.037562e+06
Niigata  218 505272
Iwaki  178 357309
Kōriyama  160 340560
Akita  165 320069
Aomori  252 298394
Morioka  125 295172
Fukushima  125 294237
Yamagata  100 254538
Mito  261 246538
Hachinohe  211 239046
Nagaoka  256 195318
Hirosaki  231 174972
Sakata  137 100446
Tsuruoka  135 99820

Past seismicity

  This map shows the most significant earthquake around this event.

Event details

Parameters

Evaluation status
RMS 2.45
Azimuthal gap 35.73 °
Number of stations used 46
Number of phases used 46

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 09:10:35.97 3.09 231.53 3.25 Automatic
IU YSS P 09:11:45.40 1.9 6.48 8.41 Automatic
IU INCN P 09:12:37.72 9.15 269.01 11.66 Automatic
IU PET P 09:14:01.72 1.7 33.9 18.68 Automatic
IU TATO P 09:14:32.22 0.11 236.75 21.63 Automatic
IU MA2 P 09:14:32.72 -1.18 12.86 21.8 Automatic
IU YAK P 09:14:59.62 -1.48 346.74 24.49 Automatic
IU GUMO P 09:15:07.69 0.87 172.01 25.21 Automatic
IU ULN P 09:15:19.12 0.22 301.7 26.4 Automatic
IU WAKE P 09:15:45.57 2.28 124.27 29.19 Automatic
IU ADK P 09:16:10.79 3.68 51.5 31.82 Automatic
IU TIXI P 09:16:20.87 -1.72 352.92 33.63 Automatic
IU MIDW P 09:16:39.94 -0.38 94.33 35.64 Automatic
IU CHTO P 09:17:29.2 -1.46 253.93 41.65 Automatic
IU MAKZ P 09:17:44.42 -0.43 300.87 43.34 Automatic
IU TARA P 09:18:13.59 0.48 134.46 47.12 Automatic
IU COLA P 09:18:17.72 -0.75 32.88 47.6 Automatic
IU PMG P 09:18:20.27 -1.12 172.35 48.32 Automatic
IU KIP P 09:19:10.24 2.12 89.98 54.21 Automatic
IU POHA P 09:19:30.84 2.22 90.11 57.06 Automatic
II ALE P 09:19:36.22 -1.48 3.54 58.3 Automatic
IU KBS P 09:19:42.2 0.35 350.01 58.87 Automatic
IU CTAO P 09:19:36.54 -1.99 174.65 58.88 Automatic
II WRAB P 09:19:34.69 -4.11 187.7 58.92 Automatic
IU KEV P 09:20:01.17 -0.08 339.03 61.71 Automatic
IU MBWA P 09:20:06.17 -1.44 202.68 63.12 Automatic
II MSVF P 09:20:28.27 1.32 141.49 66.01 Automatic
IU XMAS P 09:20:32.69 1.07 107.3 66.5 Automatic
IU COR P 09:20:44.74 6.97 50.25 67.26 Automatic
IU GNI P 09:20:58.87 0.77 306.36 70.53 Automatic
IU KIEV P 09:21:09.37 -2.28 322.11 72.76 Automatic
IU SFJD P 09:21:17.22 -1.68 4.85 73.99 Automatic
IU KONO P 09:21:17.97 -1.04 336.92 74.01 Automatic
IU NWAO P 09:21:17.97 -3.08 200.82 74.97 Automatic
IU ANTO P 09:21:40.4 -1.37 311.93 77.94 Automatic
IU RSSD P 09:21:41.67 -2.34 41.79 78.4 Automatic
II RAYN P 09:21:49.19 -2.58 292.1 79.88 Automatic
IU TUC P 09:22:04.9 -1.59 54.25 82.46 Automatic
IU ANMO P 09:22:08.74 -1.6 49.84 83.35 Automatic
IU WCI P 09:22:48.37 -1.73 35.52 91.56 Automatic
IU WVT P 09:22:52.57 -2.08 37.74 92.54 Automatic
IU HKT P 09:22:56.42 -0.92 46.84 93.15 Automatic
IU HRV P 09:23:02.67 3.34 23.68 93.54 Automatic
IU PAB P 09:23:09.77 0.27 334.12 95.77 Automatic
IU KMBO P 09:23:33.62 -0.91 278.04 101.71 Automatic
GE KIBK P 09:23:34.17 -1.05 276.55 101.87 Automatic