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M6.6 earthquake, China, 1952-09-30

MagnitudeM6.6mw

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Depth10 km

Time (UTC)1952-09-30 12:52

Rank in 195222 / 166among M6+

Rank since 19003349 / 14,458

Energy vs an M6×9approx.

59 km N of Xichang, China · 28.43, 102.25

M6.5+ within 300 km (largest first)

1948 M7.3M7.3

1955 M7.1M7.1

1904 M7.1M7.1

1917 M7.0M7.0

1936 M6.8M6.8

1908 M6.8M6.8

1974 M6.8M6.8

1981 M6.8M6.8

1936 M6.7M6.7

1955 M6.7M6.7

1952 M6.6M6.6

1996 M6.6M6.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1952-06-25	1952-06-25 23:19	10 km	29 km SE of Kangding, China
M6.1 1948-10-08	1948-10-08 19:02	35 km	35 km SSE of Zhaotong, China
M7.3 1948-05-25	1948-05-25 07:11	55 km	151 km W of Kangding, China
M6.8 1936-05-16	1936-05-16 07:05	15 km	92 km SSW of Luocheng, China
M6.7 1936-04-26	1936-04-26 23:59	15 km	93 km SSW of Luocheng, China
M6.3 1935-12-18	1935-12-18 07:10	15 km	eastern Sichuan, China
M6.3 1933-06-07	1933-06-07 11:46	35 km	50 km NNW of Lijiang, China
M6.1 1925-10-15	1925-10-15 12:36	15 km	10 km WNW of Lijiang, China
M6.3 1923-10-20	1923-10-20 03:18	15 km	177 km WNW of Kangding, China
M7.0 1917-07-30	1917-07-30 23:54	15 km	42 km W of Xunchang, 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.