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M7.3 earthquake, Russia, 1971-09-05

MagnitudeM7.3mw

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Depth18 km

Time (UTC)1971-09-05 18:35

Rank in 19717 / 143among M6+

Rank since 1900720 / 14,458

Energy vs an M6×89approx.

50 km W of Gornozavodsk, Russia · 46.53, 141.19

M6.5+ within 300 km (largest first)

1950 M7.7M7.7

1940 M7.5M7.5

1905 M7.3M7.3

1971 M7.3M7.3

1990 M7.2M7.2

1947 M7.1M7.1

1939 M7.0M7.0

1911 M7.0M7.0

1969 M7.0M7.0

1971 M6.8M6.8

1987 M6.8M6.8

2003 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1969-12-18	1969-12-18 13:32	345 km	47 km ESE of Shebunino, Russia
M7.0 1969-01-19	1969-01-19 07:02	245 km	70 km N of Mombetsu, Japan
M6.5 1959-11-08	1959-11-08 13:55	30 km	72 km W of Rumoi, Japan
M7.7 1950-02-28	1950-02-28 10:21	329 km	100 km SSE of Korsakov, Russia
M7.1 1947-11-04	1947-11-04 00:09	15 km	72 km W of Rumoi, Japan
M7.5 1940-08-01	1940-08-01 15:08	15 km	137 km WSW of Rishiri Town, Japan
M7.0 1939-04-21	1939-04-21 04:29	530 km	155 km SSW of Sovetskaya Gavan’, Russia
M7.0 1911-09-06	1911-09-06 00:54	320 km	79 km S of Korsakov, Russia
M7.3 1905-09-01	1905-09-01 02:45	255 km	22 km ESE of Makubetsu, 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.