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M7.5 earthquake, Mexico, 1999-09-30

MagnitudeM7.5mwc

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Depth61 km

Time (UTC)1999-09-30 16:31

Rank in 19993 / 135among M6+

Rank since 1900478 / 14,458

Energy vs an M6×178approx.

15 km W of San Baltazar Loxicha, Mexico · 16.06, -96.93

M6.5+ within 300 km (largest first)

1928 M8.0M8.0

1907 M7.8M7.8

1978 M7.7M7.7

1931 M7.6M7.6

1957 M7.6M7.6

1928 M7.5M7.5

1909 M7.5M7.5

1999 M7.5M7.5

1908 M7.5M7.5

1928 M7.4M7.4

1937 M7.4M7.4

1965 M7.4M7.4

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.0 1999-06-15	1999-06-15 20:42	70 km	1 km SE of Texcala, Mexico
M6.4 1998-02-03	1998-02-03 03:02	33 km	2 km E of Benito Juárez, Mexico
M6.0 1997-12-16	1997-12-16 11:48	10 km	46 km SSW of Barra de Tecoanapa, Mexico
M6.9 1997-07-19	1997-07-19 14:22	33 km	4 km ENE of El Ciruelo, Mexico
M6.2 1996-02-25	1996-02-25 09:17	12 km	7 km SE of Santa María Chico Ometepec, Mexico
M7.1 1996-02-25	1996-02-25 03:08	21 km	24 km SSW of Santa María Chico Ometepec, Mexico
M7.4 1995-09-14	1995-09-14 14:04	23 km	5 km N of Azoyú, Mexico
M6.5 1994-07-04	1994-07-04 21:36	15 km	108 km SSW of La Barra de Colotepec, Mexico
M6.0 1993-11-13	1993-11-13 00:16	20 km	18 km SW of Montecillos, Mexico
M6.7 1993-10-24	1993-10-24 07:52	21 km	1 km ENE of Jolotichán, 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.