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M6.5 earthquake, Mid-Indian Ridge, 1991-11-05

MagnitudeM6.5mw

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Depth10 km

Time (UTC)1991-11-05 21:16

Rank in 199142 / 137among M6+

Rank since 19004417 / 14,458

Energy vs an M6×6approx.

Mid-Indian Ridge · -16.91, 66.16

M6.5+ within 300 km (largest first)

2012 M6.7M6.7

2021 M6.7M6.7

1991 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1988-08-11	1988-08-11 13:29	10 km	276 km NE of Port Mathurin, Mauritius
M6.2 1984-09-17	1984-09-17 06:41	10 km	296 km NE of Port Mathurin, Mauritius
M6.0 1981-11-07	1981-11-07 09:42	10 km	Mauritius - Reunion region
M6.1 1976-06-19	1976-06-19 15:00	33 km	279 km NE of Port Mathurin, Mauritius
M6.1 1960-05-19	1960-05-19 10:11	15 km	Mauritius - Reunion region
M6.2 1958-07-03	1958-07-03 05:45	15 km	277 km NE of Port Mathurin, Mauritius
M6.1 1955-04-06	1955-04-06 12:50	15 km	Mauritius - Reunion region
M6.3 1955-02-04	1955-02-04 07:21	15 km	Mauritius - Reunion region
M6.1 1941-06-30	1941-06-30 16:33	15 km	288 km NNE of Port Mathurin, Mauritius
M6.1 1936-03-21	1936-03-21 01:52	15 km	Mauritius - Reunion region

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.