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M7.0 earthquake, Japan, 1940-08-13

MagnitudeM7.0mw

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Depth10 km

Time (UTC)1940-08-13 15:36

Rank in 19409 / 105among M6+

Rank since 19001629 / 14,458

Energy vs an M6×31approx.

74 km NW of Hiratach?, Japan · 35.95, 132.29

M6.5+ within 300 km (largest first)

1904 M7.4M7.4

1927 M7.0M7.0

1943 M7.0M7.0

1940 M7.0M7.0

1905 M6.9M6.9

1995 M6.9M6.9

2001 M6.8M6.8

2007 M6.8M6.8

2000 M6.7M6.7

1925 M6.6M6.6

1983 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.0 1927-03-07	1927-03-07 09:27	10 km	15 km E of Toyooka, Japan
M6.2 1925-05-25	1925-05-25 16:22	15 km	15 km NNW of Fukuchiyama, Japan
M6.6 1925-05-23	1925-05-23 02:09	15 km	12 km ESE of Toyooka, Japan
M6.3 1924-08-28	1924-08-28 23:50	15 km	17 km NNE of Tsukawaki, Japan
M6.9 1905-06-02	1905-06-02 05:39	60 km	31 km SSW of Hikari, Japan
M7.4 1904-06-07	1904-06-07 08:18	350 km	164 km NNE of Ama, 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.