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M6.8 earthquake, Japan, 2009-10-30

MagnitudeM6.8mwc

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Depth34 km

Time (UTC)2009-10-30 07:03

Rank in 200925 / 160among M6+

Rank since 19002452 / 14,458

Energy vs an M6×16approx.

98 km NNE of Naze, Japan · 29.22, 129.78

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

None

M6.5+ within 300 km (largest first)

1911 M7.9M7.9

1938 M7.6M7.6

1916 M7.4M7.4

1923 M7.4M7.4

1901 M7.2M7.2

1923 M7.2M7.2

1995 M7.1M7.1

1904 M7.1M7.1

1961 M7.0M7.0

1942 M7.0M7.0

1914 M7.0M7.0

1923 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 2009-09-03	2009-09-03 13:26	163 km	32 km WSW of Makurazaki, Japan
M6.0 2008-07-08	2008-07-08 07:42	43 km	107 km NNE of Nago, Japan
M6.2 2006-11-17	2006-11-17 18:03	22 km	Ryukyu Islands, Japan
M6.1 2005-11-21	2005-11-21 15:36	145 km	41 km SW of Makurazaki, Japan
M6.2 2001-12-08	2001-12-08 20:29	33 km	15 km SE of Naze, Japan
M6.0 2000-06-25	2000-06-25 06:34	10 km	33 km S of Kushima, Japan
M6.1 2000-06-15	2000-06-15 11:10	10 km	177 km ESE of Koshima, Japan
M6.4 2000-06-06	2000-06-06 14:57	33 km	124 km SE of Koshima, Japan
M6.4 1999-01-24	1999-01-24 00:37	33 km	15 km SSE of Nishinoomote, Japan
M6.0 1998-12-16	1998-12-16 00:18	42 km	22 km S of Kushima, 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.