Home › 2008 › Japan

M6.8 earthquake, Japan, 2008-07-23

MagnitudeM6.8mwc

This page is updated only once a day and is not an alert service. For current earthquake and tsunami information, check the Japan Meteorological Agency, the USGS and your local authorities.

Depth108 km

Time (UTC)2008-07-23 15:26

Rank in 200822 / 179among M6+

Rank since 19002446 / 14,458

Energy vs an M6×16approx.

29 km ENE of Morioka, Japan · 39.80, 141.46

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

None

M6.5+ within 300 km (largest first)

2011 M9.1M9.1

1933 M8.4M8.4

1968 M8.2M8.2

1960 M8.0M8.0

1931 M7.9M7.9

1968 M7.9M7.9

1994 M7.8M7.8

1938 M7.7M7.7

1978 M7.7M7.7

1905 M7.7M7.7

1964 M7.6M7.6

1915 M7.6M7.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 2008-07-21	2008-07-21 11:30	22 km	98 km ESE of Namie, Japan
M7.0 2008-07-19	2008-07-19 02:39	22 km	107 km E of Namie, Japan
M6.9 2008-06-13	2008-06-13 23:43	8 km	24 km WSW of Mizusawa, Japan
M6.1 2007-12-25	2007-12-25 14:04	48 km	64 km E of Ishinomaki, Japan
M6.0 2007-02-17	2007-02-17 00:02	31 km	115 km ESE of Shizunai-furukawach?, Japan
M6.0 2005-12-16	2005-12-16 18:32	43 km	53 km E of Ishinomaki, Japan
M6.5 2005-12-02	2005-12-02 13:13	29 km	80 km ESE of Ishinomaki, Japan
M6.1 2005-08-30	2005-08-30 18:10	21 km	142 km ESE of ?funato, Japan
M6.1 2005-08-24	2005-08-24 10:15	10 km	123 km ESE of ?funato, Japan
M7.2 2005-08-16	2005-08-16 02:46	36 km	66 km ESE of Ishinomaki, 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.