Earthquake LogM8.4 earthquake, Russia Earthquake, 1923-02-03
MagnitudeM8.4mw
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Depth15 km
Time (UTC)1923-02-03 16:01
Rank in 19231 / 93among M6+
Rank since 190018 / 14,458
Energy vs an M6×3,981approx.
1923 Kamchatka, Russia Earthquake · 54.49, 160.47
M6.5+ within 300 km (largest first)
M9.0
M8.8
M8.4
M8.0
M7.9
M7.8
M7.8
M7.8
M7.7
M7.6
M7.6
M7.4
Earlier M6+ within 300 km
| Event | Time (UTC) | Depth | Place |
|---|---|---|---|
| M7.3 1923-02-02 | 1923-02-02 05:07 | 35 km | 163 km ENE of Petropavlovsk-Kamchatsky, Russia |
| M6.7 1923-02-02 | 1923-02-02 01:06 | 15 km | 237 km ESE of Petropavlovsk-Kamchatsky, Russia |
| M6.7 1922-08-16 | 1922-08-16 15:56 | 45 km | 75 km E of Petropavlovsk-Kamchatsky, Russia |
| M6.1 1919-05-27 | 1919-05-27 17:27 | 45 km | 163 km ESE of Mil’kovo, Russia |
| M8.0 1917-01-30 | 1917-01-30 02:45 | 20 km | 43 km E of Ust’-Kamchatsk Staryy, Russia |
| M6.3 1917-01-26 | 1917-01-26 05:09 | 15 km | 285 km E of Petropavlovsk-Kamchatsky, Russia |
| M7.3 1915-07-31 | 1915-07-31 01:31 | 20 km | 233 km SE of Atlasovo, Russia |
| M6.4 1914-03-27 | 1914-03-27 00:55 | 35 km | 274 km S of Ust’-Kamchatsk Staryy, Russia |
| M6.6 1914-03-18 | 1914-03-18 06:17 | 35 km | 98 km SSW of Ust’-Kamchatsk Staryy, Russia |
| M6.6 1914-03-18 | 1914-03-18 04:20 | 15 km | 202 km S of Ust’-Kamchatsk Staryy, Russia |
Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.