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M6.9 earthquake, Sea of Okhotsk, 1971-01-29

MagnitudeM6.9mw

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Depth539 km

Time (UTC)1971-01-29 21:58

Rank in 197122 / 143among M6+

Rank since 19002103 / 14,458

Energy vs an M6×19approx.

Sea of Okhotsk · 51.62, 151.01

M6.5+ within 300 km (largest first)

2008 M7.7M7.7

1907 M7.7M7.7

1970 M7.3M7.3

1971 M6.9M6.9

1906 M6.7M6.7

2013 M6.7M6.7

2018 M6.7M6.7

1909 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.5 1970-09-05	1970-09-05 07:52	581 km	Sea of Okhotsk
M7.3 1970-08-30	1970-08-30 17:46	648 km	Sea of Okhotsk
M6.4 1964-03-18	1964-03-18 04:37	428 km	229 km WNW of Ozernovskiy, Russia
M6.5 1909-07-13	1909-07-13 13:13	250 km	232 km WSW of Severo-Kuril’sk, Russia
M7.7 1907-05-25	1907-05-25 14:02	550 km	Sea of Okhotsk
M6.7 1906-10-08	1906-10-08 04:53	200 km	221 km WNW of Ozernovskiy, 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.