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M7.8 earthquake, Mexico, 1902-09-23

MagnitudeM7.8mw

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Depth–

Time (UTC)1902-09-23 20:18

Rank in 19021 / 12among M6+

Rank since 1900168 / 14,458

Energy vs an M6×501approx.

Central Chiapas, Mexico · 16.50, -92.50

M6.5+ within 300 km (largest first)

2017 M8.2M8.2

1902 M7.8M7.8

1902 M7.5M7.5

2012 M7.4M7.4

1935 M7.3M7.3

1970 M7.3M7.3

2026 M7.3M7.3

1914 M7.2M7.2

1993 M7.2M7.2

1995 M7.2M7.2

1950 M7.2M7.2

1921 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.5 1902-04-19	1902-04-19 02:24	–	Near Quetzaltenango, Guatemala
M6.3 1902-01-18	1902-01-18 23:23	–	Near Quetzaltenango, Guatemala

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.