This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.4 mb
Local datetime 2025/07/31 04:31
Universal datetime 2025/07/30 17:31
Latitude 50.01 ° ± 4 km
Longitude 156.81 ° ± 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
Petropavlovsk Kamchatskiy  362 187282
Yuzhno Sakhalinsk  1092 176484
Kitami  1196 113137
Magadan  1132 95282
Korsakov  1104 35091
Kholmsk  1136 32681
Nikolayevsk na Amure  1166 27152
Okha  1034 26560
Nevelsk  1166 17000
Poronaysk  994 16677
Uglegorsk  1073 12669
Aleksandrovsk Sakhalinskiy  1044 12024
Dolinsk  1072 11989
Nogliki  979 10098
Makarov  1029 6663

Past seismicity

  This map shows only the 3 most significant earthquakes around this event.

Event details

Parameters

Evaluation status
RMS 1.41
Azimuthal gap 124.2 °
Number of stations used 43
Number of phases used 43

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 PET P 17:32:29.7 2.62 20.02 3.23 Automatic
IU YSS P 17:34:01.0 4.16 257.24 9.78 Automatic
IU MA2 P 17:34:04.22 2.23 342.43 10.17 Automatic
II ERM P 17:34:34.7 1.95 234.98 12.37 Automatic
IU BILL P 17:35:53.42 -0.74 11.26 18.67 Automatic
IU MAJO P 17:35:56.87 -0.77 231.96 19 Automatic
IU YAK P 17:35:58.22 -0.98 319.21 19.11 Automatic
IU INCN P 17:37:00.22 1.03 251.38 24.91 Automatic
IU TIXI P 17:36:59.12 -1.38 339.58 25.04 Automatic
II KDAK P 17:37:46.27 0.62 55.37 30.04 Automatic
IU COLA P 17:38:03.14 1.06 41.35 31.91 Automatic
IU ULN P 17:38:03.37 -0.89 285.77 32.15 Automatic
II TLY P 17:38:11.69 1.14 293.86 32.87 Automatic
II ALE P 17:39:59.57 -0.68 6.58 46.01 Automatic
II KURK P 17:40:09.47 -2.16 302.72 47.45 Automatic
IU MAKZ P 17:40:11.44 -1.74 296.64 47.65 Automatic
II AAK P 17:41:04.12 0.12 296.28 54.4 Automatic
IU CHTO P 17:41:08.47 -0.51 257.45 55.21 Automatic
IU PMG P 17:41:41.59 0.9 191.01 60.01 Automatic
IU SFJD P 17:41:51.17 -0.7 11.86 61.17 Automatic
IU RSSD P 17:42:01.92 0.42 52.96 62.61 Automatic
II BORG P 17:42:21.7 2.09 359.13 65.24 Automatic
IU KONO P 17:42:33.14 1.77 342.73 67.16 Automatic
IU TUC P 17:42:32.59 1.09 66.3 67.25 Automatic
IU ANMO P 17:42:36.29 0.94 61.52 67.84 Automatic
IU KIEV P 17:42:45.62 -2.5 327.68 69.85 Automatic
II KIV P 17:42:48.97 0.21 315.63 69.96 Automatic
IU CTAO P 17:42:48.79 -1.03 190.51 70.72 Automatic
IU GNI P 17:43:02.52 1.55 311.85 71.98 Automatic
II WRAB P 17:43:00.57 -1.41 202.09 72.71 Automatic
II ESK P 17:43:08.57 -0.85 348.29 73.36 Automatic
IU CCM P 17:43:09.84 -0.44 49.6 73.55 Automatic
II PALK P 17:43:21.9 0.53 264.01 75.52 Automatic
IU WCI P 17:43:22.64 -0.57 46.28 75.78 Automatic
IU WVT P 17:43:28.9 -0.55 48.58 76.74 Automatic
IU SSPA P 17:43:32.39 -0.42 39.38 77.46 Automatic
II UOSS P 17:43:30.79 -2.04 294.12 77.54 Automatic
IU ANTO P 17:43:32.82 -0.64 319.35 77.58 Automatic
II BFO P 17:43:34.72 -1.17 339.19 77.99 Automatic
IU HRV P 17:43:38.12 0.64 34.25 78.29 Automatic
IU MBWA P 17:43:34.44 -0.23 215.04 78.37 Automatic
II RAYN P 17:44:09.24 -1.91 300.93 84.74 Automatic
IU PAB P 17:44:31.9 -0.79 345.58 88.93 Automatic