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M7.6 earthquake, Russia, 1957-10-27

MagnitudeM7.6mw

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Depth148 km

Time (UTC)1957-10-27 22:32

Rank in 19576 / 175among M6+

Rank since 1900340 / 14,458

Energy vs an M6×251approx.

66 km SSE of Klyuchi, Russia · 55.75, 161.13

M6.5+ within 300 km (largest first)

1923 M8.4M8.4

1917 M8.0M8.0

1959 M7.9M7.9

1905 M7.8M7.8

1997 M7.8M7.8

2025 M7.8M7.8

1971 M7.6M7.6

1957 M7.6M7.6

1969 M7.4M7.4

2025 M7.4M7.4

1923 M7.4M7.4

1915 M7.3M7.3

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1957-02-03	1957-02-03 17:24	15 km	79 km NE of Yelizovo, Russia
M6.5 1956-06-23	1956-06-23 02:18	20 km	72 km ESE of Ust’-Kamchatsk Staryy, Russia
M6.0 1956-01-13	1956-01-13 03:27	15 km	149 km NE of Ust’-Kamchatsk Staryy, Russia
M7.2 1955-03-18	1955-03-18 00:06	59 km	154 km ESE of Mil’kovo, Russia
M6.3 1954-08-09	1954-08-09 19:16	37 km	139 km ENE of Petropavlovsk-Kamchatsky, Russia
M6.1 1953-10-05	1953-10-05 04:31	35 km	153 km ESE of Mil’kovo, Russia
M6.0 1953-05-04	1953-05-04 11:29	30 km	194 km ENE of Petropavlovsk-Kamchatsky, Russia
M6.0 1953-01-07	1953-01-07 05:49	25 km	239 km ENE of Petropavlovsk-Kamchatsky, Russia
M6.2 1952-12-22	1952-12-22 22:24	43 km	164 km ESE of Mil’kovo, Russia
M6.2 1952-12-18	1952-12-18 09:20	16 km	258 km ENE 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.