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M6.6 earthquake, Japan, 1943-06-13

MagnitudeM6.6mw

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Depth31 km

Time (UTC)1943-06-13 17:39

Rank in 194335 / 113among M6+

Rank since 19003938 / 14,458

Energy vs an M6×7approx.

163 km ENE of Hachinohe, Japan · 40.83, 143.39

M6.5+ within 300 km (largest first)

2011 M9.1M9.1

1933 M8.4M8.4

1968 M8.2M8.2

2003 M8.2M8.2

1952 M8.1M8.1

1960 M8.0M8.0

1931 M7.9M7.9

1968 M7.9M7.9

1994 M7.8M7.8

1919 M7.7M7.7

1905 M7.7M7.7

1915 M7.6M7.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.7 1943-06-13	1943-06-13 08:36	25 km	146 km ENE of Hachinohe, Japan
M7.3 1943-06-13	1943-06-13 05:11	35 km	169 km ENE of Hachinohe, Japan
M6.0 1942-06-19	1942-06-19 19:37	25 km	114 km SSE of Nemuro, Japan
M6.0 1941-03-19	1941-03-19 02:44	20 km	106 km E of Miyako, Japan
M6.1 1941-03-14	1941-03-14 14:30	20 km	122 km E of Miyako, Japan
M6.2 1941-03-12	1941-03-12 21:36	20 km	149 km E of Yamada, Japan
M6.3 1941-03-12	1941-03-12 14:16	20 km	136 km E of Yamada, Japan
M6.6 1940-11-19	1940-11-19 15:01	44 km	51 km SE of Kamaishi, Japan
M6.1 1940-02-09	1940-02-09 13:53	35 km	86 km NE of Miyako, Japan
M7.4 1939-10-10	1939-10-10 18:31	20 km	off the east coast of Honshu, 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.