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M6.7 earthquake, Russia, 1984-12-28

MagnitudeM6.7mw

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Depth33 km

Time (UTC)1984-12-28 10:37

Rank in 198427 / 133among M6+

Rank since 19002872 / 14,458

Energy vs an M6×11approx.

61 km E of Ust’-Kamchatsk Staryy, Russia · 56.19, 163.46

M6.5+ within 300 km (largest first)

1923 M8.4M8.4

1917 M8.0M8.0

1905 M7.8M7.8

1997 M7.8M7.8

1971 M7.6M7.6

1957 M7.6M7.6

1969 M7.4M7.4

1923 M7.4M7.4

1915 M7.3M7.3

1936 M7.3M7.3

2018 M7.3M7.3

1927 M7.2M7.2

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1984-11-01	1984-11-01 18:43	49 km	136 km SSE of Ust’-Kamchatsk Staryy, Russia
M7.1 1983-08-17	1983-08-17 10:55	63 km	57 km SSE of Klyuchi, Russia
M6.1 1983-01-09	1983-01-09 21:03	33 km	126 km SSE of Ust’-Kamchatsk Staryy, Russia
M6.3 1982-11-21	1982-11-21 23:27	35 km	102 km SSE of Ust’-Kamchatsk Staryy, Russia
M6.4 1982-05-31	1982-05-31 10:21	33 km	220 km SE of Ust’-Kamchatsk Staryy, Russia
M6.2 1978-03-03	1978-03-03 10:53	33 km	190 km SE of Ust’-Kamchatsk Staryy, Russia
M6.0 1976-02-03	1976-02-03 23:57	33 km	188 km SE of Atlasovo, Russia
M6.1 1973-03-04	1973-03-04 17:57	32 km	151 km SE of Atlasovo, Russia
M6.1 1972-08-02	1972-08-02 21:38	25 km	62 km ESE of Ust’-Kamchatsk Staryy, Russia
M6.3 1971-12-17	1971-12-17 19:06	25 km	115 km SE 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.