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M7.1 earthquake, Japan, 2009-08-09

MagnitudeM7.1mwc

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Depth292 km

Time (UTC)2009-08-09 10:55

Rank in 200915 / 160among M6+

Rank since 19001222 / 14,458

Energy vs an M6×45approx.

161 km S of ?yama, Japan · 33.17, 137.94

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

None

M6.5+ within 300 km (largest first)

1946 M8.3M8.3

1944 M8.1M8.1

1923 M8.0M8.0

1923 M7.8M7.8

1948 M7.4M7.4

1906 M7.4M7.4

2004 M7.4M7.4

1972 M7.3M7.3

1905 M7.2M7.2

1910 M7.2M7.2

1984 M7.2M7.2

2004 M7.2M7.2

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 2004-09-08	2004-09-08 14:58	21 km	130 km ESE of Shing?, Japan
M6.6 2004-09-06	2004-09-06 23:29	10 km	129 km ESE of Shing?, Japan
M6.5 2004-09-05	2004-09-05 14:57	15 km	119 km ESE of Shing?, Japan
M7.4 2004-09-05	2004-09-05 14:57	10 km	118 km ESE of Shing?, Japan
M7.2 2004-09-05	2004-09-05 10:07	14 km	94 km SE of Shing?, Japan
M6.4 2003-11-12	2003-11-12 08:26	385 km	118 km ESE of Shing?, Japan
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
M6.3 2000-06-09	2000-06-09 23:31	485 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.