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M6.8 earthquake, Alaska, 2004-06-28

MagnitudeM6.8mw

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Depth20 km

Time (UTC)2004-06-28 09:49

Rank in 200420 / 157among M6+

Rank since 19002423 / 14,458

Energy vs an M6×16approx.

98 km WSW of Craig, Alaska · 55.07, -134.53

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

None

M6.5+ within 300 km (largest first)

1949 M8.0M8.0

2012 M7.8M7.8

1972 M7.6M7.6

2013 M7.5M7.5

2004 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 2001-02-17	2001-02-17 20:11	20 km	151 km SSW of Hydaburg, Alaska
M6.1 1972-08-04	1972-08-04 11:38	20 km	53 km WSW of Port Alexander, Alaska
M7.6 1972-07-30	1972-07-30 21:45	20 km	55 km SW of Sitka, Alaska
M6.2 1956-11-17	1956-11-17 20:27	15 km	96 km SW of Hydaburg, Alaska
M6.2 1949-10-31	1949-10-31 01:39	15 km	78 km WSW of Port Alexander, Alaska
M8.0 1949-08-22	1949-08-22 04:01	10 km	The 1949 Haida Gwaii, Canada Earthquake
M6.0 1948-02-28	1948-02-28 01:58	15 km	191 km WSW of Prince Rupert, Canada
M6.2 1945-08-02	1945-08-02 20:44	15 km	126 km SSW of Hydaburg, Alaska
M6.3 1936-12-21	1936-12-21 19:03	15 km	252 km SW of Prince Rupert, Canada
M6.2 1921-04-10	1921-04-10 13:40	15 km	296 km SSW of Hydaburg, Alaska

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.