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M7.6 earthquake, China, 1947-03-17

MagnitudeM7.6mw

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Depth15 km

Time (UTC)1947-03-17 08:19

Rank in 19474 / 83among M6+

Rank since 1900408 / 14,458

Energy vs an M6×234approx.

Qinghai-Sichuan border region, China · 33.50, 99.49

M6.5+ within 300 km (largest first)

1937 M7.8M7.8

1947 M7.6M7.6

1973 M7.4M7.4

2021 M7.3M7.3

1923 M7.0M7.0

2010 M6.9M6.9

1990 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.8 1937-01-07	1937-01-07 13:20	15 km	Southern Qinghai, China
M6.3 1935-07-26	1935-07-26 10:32	15 km	Southern Qinghai, China
M7.0 1923-03-24	1923-03-24 12:40	15 km	184 km NW of Kangding, 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.