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M6.6 earthquake, Japan, 1993-02-07

MagnitudeM6.6mwb

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Depth11 km

Time (UTC)1993-02-07 13:27

Rank in 199332 / 148among M6+

Rank since 19003552 / 14,458

Energy vs an M6×8approx.

69 km NNE of Nanao, Japan · 37.63, 137.25

M6.5+ within 300 km (largest first)

1964 M7.6M7.6

2024 M7.5M7.5

1924 M7.0M7.0

1909 M6.9M6.9

2007 M6.8M6.8

1948 M6.8M6.8

1961 M6.8M6.8

2007 M6.7M6.7

1969 M6.7M6.7

1907 M6.6M6.6

2004 M6.6M6.6

2007 M6.6M6.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1990-04-11	1990-04-11 20:51	362 km	11 km ENE of Maizuru, Japan
M6.2 1984-09-13	1984-09-13 23:48	10 km	23 km E of Gero, Japan
M6.3 1969-09-09	1969-09-09 05:15	10 km	13 km W of Gero, Japan
M6.7 1969-03-31	1969-03-31 19:25	398 km	266 km NW of Hakui, Japan
M6.1 1968-07-01	1968-07-01 10:45	58 km	4 km ENE of Ogose, Japan
M6.3 1967-08-13	1967-08-13 20:06	364 km	11 km SE of Maizuru, Japan
M6.2 1964-06-16	1964-06-16 07:14	15 km	20 km NNW of Murakami, Japan
M6.5 1964-06-16	1964-06-16 06:53	10 km	52 km W of Tsuruoka, Japan
M7.6 1964-06-16	1964-06-16 04:01	16 km	27 km NW of Murakami, Japan
M6.3 1963-03-26	1963-03-26 21:34	15 km	27 km NW of Tsuruga, 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.