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M6.6 earthquake, Japan, 1923-07-13

MagnitudeM6.6mw

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Depth35 km

Time (UTC)1923-07-13 23:56

Rank in 192334 / 93among M6+

Rank since 19003294 / 14,458

Energy vs an M6×9approx.

28 km S of Nishinoomote, Japan · 30.48, 131.05

M6.5+ within 300 km (largest first)

1941 M8.0M8.0

1931 M7.9M7.9

1911 M7.9M7.9

1961 M7.5M7.5

1909 M7.5M7.5

1968 M7.5M7.5

1916 M7.4M7.4

1923 M7.4M7.4

1913 M7.2M7.2

1901 M7.2M7.2

1923 M7.2M7.2

1995 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.4 1923-07-13	1923-07-13 11:13	35 km	22 km N of Nishinoomote, Japan
M6.3 1922-12-08	1922-12-08 02:02	10 km	16 km NW of Honmachi, Japan
M6.7 1922-12-07	1922-12-07 16:50	15 km	22 km SW of Nagasaki, Japan
M6.2 1921-07-04	1921-07-04 14:18	35 km	76 km NNE of Naze, Japan
M6.0 1921-07-03	1921-07-03 14:52	15 km	113 km NNE of Naze, Japan
M6.3 1921-05-17	1921-05-17 23:27	15 km	136 km E of Naze, Japan
M7.4 1916-02-01	1916-02-01 07:36	15 km	152 km ESE of Koshima, Japan
M6.7 1914-11-28	1914-11-28 10:45	35 km	86 km SE of Koshima, Japan
M6.8 1914-01-12	1914-01-12 09:28	15 km	8 km NNE of Kajiki, Japan
M7.2 1913-04-13	1913-04-13 06:40	35 km	29 km ESE of Takanabe, Japan

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.