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M6.9 earthquake, Russia, 1924-12-28

MagnitudeM6.9mw

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Depth75 km

Time (UTC)1924-12-28 22:55

Rank in 192410 / 79among M6+

Rank since 19001717 / 14,458

Energy vs an M6×26approx.

48 km SW of Shikotan, Russia · 43.49, 146.28

M6.5+ within 300 km (largest first)

1963 M8.5M8.5

1958 M8.3M8.3

1994 M8.3M8.3

1969 M8.2M8.2

2003 M8.2M8.2

1952 M8.1M8.1

1995 M7.9M7.9

1973 M7.7M7.7

1993 M7.6M7.6

1978 M7.6M7.6

1978 M7.5M7.5

1935 M7.5M7.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1922-06-05	1922-06-05 13:58	35 km	141 km SSE of Kushiro, Japan
M6.0 1919-07-16	1919-07-16 04:09	75 km	94 km SSW of Kuril’sk, Russia
M6.2 1919-06-23	1919-06-23 06:26	15 km	182 km S of Kushiro, Japan
M6.2 1918-05-31	1918-05-31 08:46	35 km	154 km SE of Kuril’sk, Russia
M6.1 1916-03-18	1916-03-18 00:55	60 km	102 km S of Kushiro, Japan
M6.3 1915-12-06	1915-12-06 20:58	35 km	72 km SSW of Kushiro, Japan
M6.7 1915-08-06	1915-08-06 13:12	15 km	153 km E of Shikotan, Russia
M6.5 1915-03-17	1915-03-17 18:44	35 km	126 km SSE of Obihiro, Japan
M6.2 1914-02-07	1914-02-07 06:49	15 km	142 km E of Shikotan, Russia
M6.9 1911-10-13	1911-10-13 02:33	35 km	49 km E of Nemuro, Japan

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.