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M6.8 earthquake, Russia, 1972-03-22

MagnitudeM6.8mw

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Depth140 km

Time (UTC)1972-03-22 10:27

Rank in 197220 / 132among M6+

Rank since 19002286 / 14,458

Energy vs an M6×16approx.

257 km SW of Severo-Kuril’sk, Russia · 49.04, 153.59

M6.5+ within 300 km (largest first)

2006 M8.3M8.3

1915 M7.8M7.8

1963 M7.7M7.7

2020 M7.5M7.5

2009 M7.4M7.4

1925 M7.2M7.2

1973 M7.2M7.2

1927 M7.0M7.0

1913 M7.0M7.0

1951 M7.0M7.0

1964 M7.0M7.0

1963 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1971-08-19	1971-08-19 22:15	39 km	162 km SSW of Severo-Kuril’sk, Russia
M6.2 1971-01-08	1971-01-08 14:45	31 km	Kuril Islands
M6.0 1970-02-05	1970-02-05 12:46	26 km	east of the Kuril Islands
M6.3 1969-08-20	1969-08-20 07:50	105 km	Kuril Islands
M6.5 1969-06-13	1969-06-13 08:48	57 km	151 km SSW of Severo-Kuril’sk, Russia
M6.3 1967-12-01	1967-12-01 13:57	143 km	183 km SW of Severo-Kuril’sk, Russia
M6.0 1967-06-12	1967-06-12 23:22	39 km	Kuril Islands
M6.4 1964-07-24	1964-07-24 17:02	22 km	Kuril Islands
M7.0 1964-07-24	1964-07-24 08:12	30 km	Kuril Islands
M6.3 1964-07-24	1964-07-24 06:50	17 km	Kuril Islands

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.