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M6.9 earthquake, Russia, 1921-03-24

MagnitudeM6.9mw

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Depth25 km

Time (UTC)1921-03-24 14:41

Rank in 192111 / 61among M6+

Rank since 19002063 / 14,458

Energy vs an M6×21approx.

119 km E of Ozernovskiy, Russia · 51.40, 158.21

M6.5+ within 300 km (largest first)

1952 M9.0M9.0

2025 M8.8M8.8

1959 M7.9M7.9

2025 M7.8M7.8

1904 M7.7M7.7

2020 M7.5M7.5

1993 M7.5M7.5

1904 M7.5M7.5

1936 M7.5M7.5

1911 M7.4M7.4

2025 M7.4M7.4

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1921-02-06	1921-02-06 04:27	35 km	39 km WNW of Severo-Kuril’sk, Russia
M7.4 1916-10-31	1916-10-31 15:31	15 km	156 km SE of Severo-Kuril’sk, Russia
M6.8 1914-01-20	1914-01-20 12:00	35 km	54 km SSE of Vilyuchinsk, Russia
M6.3 1913-11-23	1913-11-23 21:18	35 km	113 km SE of Vilyuchinsk, Russia
M6.5 1911-09-08	1911-09-08 22:44	80 km	57 km ENE of Severo-Kuril’sk, Russia
M7.4 1911-05-04	1911-05-04 23:36	150 km	95 km NNE of Ozernovskiy, Russia
M7.2 1907-08-17	1907-08-17 17:27	145 km	97 km NNE of Ozernovskiy, Russia
M7.2 1904-06-27	1904-06-27 00:09	35 km	143 km E of Petropavlovsk-Kamchatsky, Russia
M6.2 1904-06-26	1904-06-26 10:40	35 km	155 km E of Petropavlovsk-Kamchatsky, Russia
M7.7 1904-06-25	1904-06-25 21:00	30 km	115 km ESE of Petropavlovsk-Kamchatsky, 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.