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M7.8 earthquake, China, 1937-01-07

MagnitudeM7.8mw

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Depth15 km

Time (UTC)1937-01-07 13:20

Rank in 19371 / 98among M6+

Rank since 1900166 / 14,458

Energy vs an M6×519approx.

Southern Qinghai, China · 35.33, 97.76

M6.5+ within 300 km (largest first)

1937 M7.8M7.8

1947 M7.6M7.6

2021 M7.3M7.3

2010 M6.9M6.9

1963 M6.7M6.7

1962 M6.6M6.6

1930 M6.5M6.5

1990 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.5 1930-07-13	1930-07-13 19:27	10 km	200 km S of Jiuquan, China
M6.5 1919-08-25	1919-08-25 19:55	15 km	296 km NE of Qamdo, China
M6.1 1915-05-05	1915-05-05 15:12	15 km	Southern Qinghai, China
M6.1 1915-04-28	1915-04-28 03:19	15 km	Southern Qinghai, China

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.