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M7.1 earthquake, central Mid-Atlantic Ridge, 1942-11-28

MagnitudeM7.1mw

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Depth10 km

Time (UTC)1942-11-28 10:38

Rank in 19427 / 99among M6+

Rank since 19001068 / 14,458

Energy vs an M6×48approx.

central Mid-Atlantic Ridge · 7.32, -35.55

M6.5+ within 300 km (largest first)

1918 M7.3M7.3

1942 M7.1M7.1

1963 M6.9M6.9

1963 M6.8M6.8

2020 M6.7M6.7

2008 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1941-03-21	1941-03-21 07:58	15 km	central Mid-Atlantic Ridge
M6.2 1929-01-27	1929-01-27 16:07	10 km	central Mid-Atlantic Ridge
M7.3 1918-05-20	1918-05-20 14:36	15 km	central Mid-Atlantic Ridge
M6.1 1915-10-11	1915-10-11 02:37	10 km	central Mid-Atlantic Ridge
M6.4 1915-09-12	1915-09-12 20:43	10 km	central Mid-Atlantic Ridge
M6.4 1906-07-20	1906-07-20 11:18	10 km	central Mid-Atlantic Ridge

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.