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M7.0 earthquake, Japan, 1948-05-12

MagnitudeM7.0mw

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Depth20 km

Time (UTC)1948-05-12 00:56

Rank in 194812 / 114among M6+

Rank since 19001438 / 14,458

Energy vs an M6×32approx.

139 km ESE of Ishinomaki, Japan · 37.92, 142.77

M6.5+ within 300 km (largest first)

2011 M9.1M9.1

1933 M8.4M8.4

1960 M8.0M8.0

1931 M7.9M7.9

2011 M7.9M7.9

1938 M7.8M7.8

1994 M7.8M7.8

1938 M7.7M7.7

1978 M7.7M7.7

2011 M7.7M7.7

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1948-03-15	1948-03-15 11:23	27 km	108 km ESE of Takahagi, Japan
M6.1 1946-07-19	1946-07-19 21:16	20 km	92 km ESE of Takahagi, Japan
M6.7 1945-03-11	1945-03-11 21:37	45 km	118 km ENE of Namie, Japan
M6.6 1944-03-10	1944-03-10 06:39	30 km	122 km E of Hachinohe, Japan
M6.4 1943-04-12	1943-04-12 19:43	25 km	88 km ENE of Hasaki, Japan
M7.1 1943-04-11	1943-04-11 14:46	15 km	96 km ESE of Takahagi, Japan
M6.3 1943-03-14	1943-03-14 12:42	15 km	98 km ESE of Takahagi, Japan
M6.8 1942-11-15	1942-11-15 17:12	15 km	76 km E of ?arai, Japan
M6.1 1942-09-21	1942-09-21 05:52	15 km	190 km E of Iwaki, Japan
M6.6 1942-02-21	1942-02-21 07:07	35 km	76 km ENE of Namie, 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.