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M7.3 earthquake, Japan, 1972-12-04

MagnitudeM7.3mw

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Depth26 km

Time (UTC)1972-12-04 10:16

Rank in 19727 / 132among M6+

Rank since 1900669 / 14,458

Energy vs an M6×95approx.

206 km SSE of Wada, Japan · 33.31, 140.85

M6.5+ within 300 km (largest first)

1923 M8.0M8.0

1953 M7.9M7.9

1923 M7.8M7.8

1906 M7.4M7.4

1972 M7.3M7.3

1906 M7.3M7.3

1923 M7.2M7.2

1905 M7.2M7.2

1972 M7.2M7.2

1909 M7.1M7.1

2009 M7.1M7.1

1909 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1972-02-29	1972-02-29 09:42	57 km	195 km SSE of Katsuura, Japan
M7.2 1972-02-29	1972-02-29 09:23	46 km	193 km SSE of Wada, Japan
M6.2 1968-05-19	1968-05-19 04:12	30 km	99 km E of Hasaki, Japan
M6.3 1968-02-28	1968-02-28 12:08	344 km	189 km S of ?yama, Japan
M6.1 1968-01-07	1968-01-07 11:12	22 km	222 km SE of Katsuura, Japan
M6.0 1966-04-21	1966-04-21 17:36	10 km	122 km ESE of Hasaki, Japan
M6.1 1966-04-21	1966-04-21 15:45	16 km	113 km ESE of Hasaki, Japan
M6.1 1965-04-19	1965-04-19 23:42	36 km	0 km SSE of Yaizu, Japan
M6.0 1964-02-29	1964-02-29 15:20	22 km	133 km SE of Hasaki, Japan
M6.0 1962-08-26	1962-08-26 06:48	15 km	76 km SE of Shimoda, 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.