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M6.5 earthquake, Mexico, 1971-09-30

MagnitudeM6.5mw

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Depth10 km

Time (UTC)1971-09-30 08:17

Rank in 197150 / 143among M6+

Rank since 19004266 / 14,458

Energy vs an M6×6approx.

75 km SW of Bahía de Lobos, Mexico · 26.81, -110.91

M6.5+ within 300 km (largest first)

1906 M7.3M7.3

1901 M7.1M7.1

1918 M7.0M7.0

1945 M6.9M6.9

1949 M6.8M6.8

1932 M6.8M6.8

1923 M6.8M6.8

1931 M6.7M6.7

1969 M6.7M6.7

2010 M6.7M6.7

2015 M6.7M6.7

1988 M6.7M6.7

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1971-03-03	1971-03-03 14:46	25 km	71 km W of Las Grullas Margen Derecha, Mexico
M6.7 1969-08-17	1969-08-17 20:15	30 km	101 km SW of Topolobampo, Mexico
M6.5 1969-08-17	1969-08-17 20:13	15 km	45 km SSW of Topolobampo, Mexico
M6.0 1966-05-18	1966-05-18 07:32	20 km	86 km SSW of Topolobampo, Mexico
M6.0 1965-02-27	1965-02-27 07:46	24 km	71 km SSW of Bahía de Kino, Mexico
M6.5 1964-07-06	1964-07-06 02:14	19 km	95 km SW of Etchoropo, Mexico
M6.3 1964-07-05	1964-07-05 19:07	12 km	85 km SW of Etchoropo, Mexico
M6.0 1960-03-31	1960-03-31 19:56	15 km	93 km W of Las Grullas Margen Derecha, Mexico
M6.0 1958-08-30	1958-08-30 18:38	15 km	61 km ENE of Santa Rosalía, Mexico
M6.3 1958-04-12	1958-04-12 11:47	15 km	75 km NE of Loreto, Mexico

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.