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M7.7 earthquake, Japan, 1938-11-05

MagnitudeM7.7mw

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Depth35 km

Time (UTC)1938-11-05 10:50

Rank in 19386 / 149among M6+

Rank since 1900246 / 14,458

Energy vs an M6×355approx.

116 km ESE of Namie, Japan · 37.15, 142.24

M6.5+ within 300 km (largest first)

2011 M9.1M9.1

2011 M7.9M7.9

1938 M7.8M7.8

1938 M7.7M7.7

1978 M7.7M7.7

2011 M7.7M7.7

1938 M7.7M7.7

1905 M7.7M7.7

1964 M7.6M7.6

1915 M7.6M7.6

1938 M7.6M7.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.8 1938-11-05	1938-11-05 08:43	35 km	105 km E of Iwaki, Japan
M6.2 1938-10-29	1938-10-29 13:08	15 km	51 km SE of Hasaki, Japan
M6.7 1938-09-21	1938-09-21 18:51	15 km	60 km ESE of Takahagi, Japan
M7.7 1938-05-23	1938-05-23 07:18	15 km	69 km ESE of Kitaibaraki, Japan
M6.2 1937-12-10	1937-12-10 13:28	15 km	106 km ESE of Hasaki, Japan
M6.3 1937-12-06	1937-12-06 04:34	15 km	120 km E of Hasaki, Japan
M6.3 1937-10-17	1937-10-17 04:47	25 km	44 km ESE of Hasaki, Japan
M6.6 1937-07-26	1937-07-26 19:56	35 km	42 km E of Onagawa Ch?, Japan
M6.1 1937-02-27	1937-02-27 01:15	15 km	107 km ESE of Takahagi, Japan
M6.4 1937-01-07	1937-01-07 06:12	35 km	near 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.