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M6.9 earthquake, Russia, 1988-02-29

MagnitudeM6.9mw

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Depth33 km

Time (UTC)1988-02-29 05:31

Rank in 198812 / 122among M6+

Rank since 19001884 / 14,458

Energy vs an M6×22approx.

Komandorskiye Ostrova, Russia region · 55.15, 167.43

M6.5+ within 300 km (largest first)

1917 M8.0M8.0

1905 M7.8M7.8

2017 M7.7M7.7

1971 M7.6M7.6

1923 M7.4M7.4

1936 M7.3M7.3

2018 M7.3M7.3

1990 M7.1M7.1

1925 M7.0M7.0

1953 M7.0M7.0

1988 M6.9M6.9

2017 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1987-07-10	1987-07-10 18:49	33 km	226 km ESE of Ust’-Kamchatsk Staryy, Russia
M6.8 1986-05-02	1986-05-02 10:30	15 km	145 km SE of Ust’-Kamchatsk Staryy, Russia
M6.3 1985-08-11	1985-08-11 09:59	50 km	Komandorskiye Ostrova, Russia region
M6.7 1984-12-28	1984-12-28 10:37	33 km	61 km E of Ust’-Kamchatsk Staryy, Russia
M6.3 1984-11-01	1984-11-01 18:43	49 km	136 km SSE of Ust’-Kamchatsk Staryy, 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
M6.7 1977-02-19	1977-02-19 22:34	33 km	225 km WNW of Attu Station, Alaska

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.