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M6.6 earthquake, Alaska, 2001-07-28

MagnitudeM6.6mw

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Depth132 km

Time (UTC)2001-07-28 07:32

Rank in 200133 / 137among M6+

Rank since 19003622 / 14,458

Energy vs an M6×8approx.

74 km S of Kokhanok, Alaska · 58.77, -154.70

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

None

M6.5+ within 300 km (largest first)

1900 M7.9M7.9

2016 M7.1M7.1

1912 M7.1M7.1

1912 M7.0M7.0

1999 M7.0M7.0

2021 M6.9M6.9

2001 M6.9M6.9

2015 M6.8M6.8

1912 M6.8M6.8

1986 M6.8M6.8

1965 M6.8M6.8

1912 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.9 2001-01-10	2001-01-10 16:02	36 km	47 km S of Old Harbor, Alaska
M6.5 2000-07-11	2000-07-11 01:32	43 km	24 km SSW of Larsen Bay, Alaska
M6.4 1999-12-07	1999-12-07 00:19	44 km	29 km N of Akhiok, Alaska
M7.0 1999-12-06	1999-12-06 23:12	44 km	26 km SSE of Karluk, Alaska
M6.1 1998-07-09	1998-07-09 19:39	131 km	73 km WNW of Ninilchik, Alaska
M6.6 1990-05-01	1990-05-01 16:12	252 km	19 km SSE of King Salmon, Alaska
M6.0 1989-02-22	1989-02-22 10:25	33 km	94 km SSE of Akhiok, Alaska
M6.4 1988-02-07	1988-02-07 08:46	134 km	75 km WNW of Ninilchik, Alaska
M6.5 1986-09-12	1986-09-12 23:57	31 km	95 km SSE of Akhiok, Alaska
M6.8 1986-06-19	1986-06-19 09:09	17 km	100 km SSE of Old Harbor, 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.