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M7.0 earthquake, South Indian Ocean, 1955-03-22

MagnitudeM7.0mw

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Depth20 km

Time (UTC)1955-03-22 14:05

Rank in 19559 / 128among M6+

Rank since 19001441 / 14,458

Energy vs an M6×32approx.

South Indian Ocean · -9.10, 91.65

M6.5+ within 300 km (largest first)

1955 M7.0M7.0

2014 M6.5M6.5

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.