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M6.6 earthquake, east of the South Sandwich Islands, 1933-03-18

MagnitudeM6.6mw

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Depth10 km

Time (UTC)1933-03-18 03:05

Rank in 193323 / 101among M6+

Rank since 19003305 / 14,458

Energy vs an M6×9approx.

east of the South Sandwich Islands · -58.55, -15.41

M6.5+ within 300 km (largest first)

2010 M6.8M6.8

1973 M6.7M6.7

2013 M6.7M6.7

1933 M6.6M6.6

2004 M6.6M6.6

1917 M6.6M6.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.6 1917-07-15	1917-07-15 10:25	10 km	east of the South Sandwich 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.