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M6.6 earthquake, Japan, 1938-11-10

MagnitudeM6.6mw

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Depth25 km

Time (UTC)1938-11-10 10:46

Rank in 193841 / 149among M6+

Rank since 19003830 / 14,458

Energy vs an M6×8approx.

Izu Islands, Japan region · 32.58, 141.71

M6.5+ within 300 km (largest first)

1953 M7.9M7.9

1972 M7.3M7.3

1906 M7.3M7.3

1972 M7.2M7.2

1916 M7.0M7.0

1927 M7.0M7.0

1944 M6.9M6.9

1984 M6.8M6.8

1942 M6.7M6.7

1953 M6.7M6.7

1916 M6.7M6.7

1986 M6.6M6.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1937-07-16	1937-07-16 10:18	15 km	Izu Islands, Japan region
M6.2 1937-07-14	1937-07-14 22:28	20 km	Izu Islands, Japan region
M6.1 1937-07-11	1937-07-11 13:39	15 km	254 km SSE of Katsuura, Japan
M6.1 1936-09-18	1936-09-18 18:38	15 km	Izu Islands, Japan region
M6.3 1936-09-04	1936-09-04 08:09	15 km	Izu Islands, Japan region
M6.3 1927-10-24	1927-10-24 19:05	15 km	219 km SE of Hasaki, Japan
M6.5 1927-08-23	1927-08-23 06:29	15 km	171 km SE of Hasaki, Japan
M6.2 1927-08-20	1927-08-20 21:37	20 km	154 km ESE of ?hara, Japan
M7.0 1927-08-18	1927-08-18 19:27	20 km	125 km ESE of Katsuura, Japan
M6.2 1927-05-16	1927-05-16 12:01	15 km	Izu Islands, Japan region

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.