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M6.6 earthquake, Japan, 1940-11-19

MagnitudeM6.6mw

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Depth44 km

Time (UTC)1940-11-19 15:01

Rank in 194019 / 105among M6+

Rank since 19003259 / 14,458

Energy vs an M6×9approx.

51 km SE of Kamaishi, Japan · 38.96, 142.30

M6.5+ within 300 km (largest first)

2011 M9.1M9.1

1933 M8.4M8.4

1968 M8.2M8.2

1960 M8.0M8.0

1931 M7.9M7.9

1968 M7.9M7.9

1938 M7.8M7.8

1994 M7.8M7.8

1938 M7.7M7.7

1978 M7.7M7.7

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
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
M6.0 1939-08-22	1939-08-22 00:06	25 km	98 km E of Namie, Japan
M6.6 1939-05-01	1939-05-01 16:05	10 km	18 km WNW of Tenn?, Japan
M7.2 1939-05-01	1939-05-01 05:58	10 km	28 km W of Tenn?, Japan
M6.5 1939-02-16	1939-02-16 18:51	35 km	103 km ESE of Iwaki, Japan
M6.0 1938-12-20	1938-12-20 14:51	15 km	141 km ESE of ?funato, Japan
M6.3 1938-12-18	1938-12-18 21:45	15 km	154 km ESE of ?funato, Japan
M6.4 1938-12-13	1938-12-13 17:25	20 km	133 km SE of Kamaishi, Japan
M6.5 1938-12-07	1938-12-07 13:04	25 km	118 km ESE of ?funato, 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.