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M7.4 earthquake, China, 1933-08-25

MagnitudeM7.4mw

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Depth15 km

Time (UTC)1933-08-25 07:50

Rank in 19335 / 101among M6+

Rank since 1900638 / 14,458

Energy vs an M6×117approx.

101 km WNW of Jiangyou, China · 31.96, 103.67

M6.5+ within 300 km (largest first)

2008 M7.9M7.9

1973 M7.4M7.4

1933 M7.4M7.4

1955 M7.1M7.1

1923 M7.0M7.0

1976 M6.9M6.9

1981 M6.8M6.8

1976 M6.7M6.7

2022 M6.6M6.6

2013 M6.6M6.6

1919 M6.5M6.5

2017 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.0 1923-03-24	1923-03-24 12:40	15 km	184 km NW of Kangding, China
M6.5 1919-05-29	1919-05-29 11:00	15 km	128 km NNW of Kangding, 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.