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M6.6 earthquake, Japan, 2005-03-20

MagnitudeM6.6mwc

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Depth10 km

Time (UTC)2005-03-20 01:53

Rank in 200530 / 150among M6+

Rank since 19003651 / 14,458

Energy vs an M6×8approx.

28 km NNW of Maebaru-ch??, Japan · 33.81, 130.13

M5.5+ within 100 km in the next 30 days

None

M6.5+ within 300 km (largest first)

1941 M8.0M8.0

1931 M7.9M7.9

1961 M7.5M7.5

1909 M7.5M7.5

1968 M7.5M7.5

1913 M7.2M7.2

2024 M7.1M7.1

1969 M7.1M7.1

1970 M7.0M7.0

2016 M7.0M7.0

1948 M6.9M6.9

1905 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.8 2001-03-24	2001-03-24 06:27	50 km	16 km SSW of Kure, Japan
M6.1 1997-05-13	1997-05-13 05:38	33 km	1 km WNW of Satsumasendai, Japan
M6.1 1997-03-26	1997-03-26 08:31	10 km	16 km NE of Satsumasendai, Japan
M6.7 1996-12-02	1996-12-02 22:17	49 km	17 km SW of Miyazaki, Japan
M6.7 1996-10-19	1996-10-19 14:44	22 km	5 km SE of Miyazaki, Japan
M6.7 1987-03-18	1987-03-18 03:36	54 km	33 km ESE of Takanabe, Japan
M6.9 1984-08-06	1984-08-06 19:06	46 km	34 km SE of Nobeoka, Japan
M6.5 1983-08-25	1983-08-25 20:23	126 km	6 km SE of Bungo-Takada-shi, Japan
M6.1 1975-04-20	1975-04-20 17:35	7 km	16 km SE of Tsukawaki, Japan
M6.0 1972-06-21	1972-06-21 15:29	36 km	40 km ESE of Takanabe, 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.