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M6.6 earthquake, Japan, 2009-08-12

MagnitudeM6.6mwc

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Depth53 km

Time (UTC)2009-08-12 22:48

Rank in 200936 / 160among M6+

Rank since 19003687 / 14,458

Energy vs an M6×8approx.

244 km SSE of Tateyama, Japan · 32.82, 140.40

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

None

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

1905 M7.2M7.2

1910 M7.2M7.2

1972 M7.2M7.2

2009 M7.1M7.1

1916 M7.0M7.0

1927 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 2009-08-10	2009-08-10 20:07	40 km	8 km NE of Sagara, Japan
M7.1 2009-08-09	2009-08-09 10:55	292 km	161 km S of ?yama, Japan
M6.6 2005-01-19	2005-01-19 06:11	28 km	161 km SE of Katsuura, Japan
M6.6 2004-09-06	2004-09-06 23:29	10 km	129 km ESE of Shing?, Japan
M6.5 2004-05-29	2004-05-29 20:56	16 km	140 km SE of Katsuura, Japan
M6.3 2002-08-20	2002-08-20 10:59	9 km	Izu Islands, Japan region
M6.5 2000-07-30	2000-07-30 12:25	10 km	94 km SSE of Shimoda, Japan
M6.1 2000-07-15	2000-07-15 01:30	10 km	near the south coast of Honshu, Japan
M6.1 2000-07-01	2000-07-01 07:01	10 km	53 km SSE of Shimoda, Japan
M6.2 1997-11-10	1997-11-10 23:06	86 km	Izu Islands, Japan region

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.