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M6.6 earthquake, Alaska, 1957-01-02

MagnitudeM6.6mw

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Depth20 km

Time (UTC)1957-01-02 03:12

Rank in 195740 / 175among M6+

Rank since 19003841 / 14,458

Energy vs an M6×8approx.

61 km SE of Nikolski, Alaska · 52.60, -168.13

M6.5+ within 300 km (largest first)

1929 M7.8M7.8

1965 M7.8M7.8

1916 M7.4M7.4

2011 M7.3M7.3

1901 M7.1M7.1

1957 M7.1M7.1

1902 M7.0M7.0

1940 M7.0M7.0

1957 M6.9M6.9

1935 M6.9M6.9

2011 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.7 1957-01-02	1957-01-02 02:17	20 km	75 km SSE of Nikolski, Alaska
M6.4 1957-01-02	1957-01-02 00:39	20 km	71 km SE of Nikolski, Alaska
M6.0 1956-12-03	1956-12-03 07:20	14 km	66 km SSE of Nikolski, Alaska
M6.2 1956-06-04	1956-06-04 07:09	15 km	179 km SW of Nikolski, Alaska
M6.5 1955-01-13	1955-01-13 02:35	40 km	84 km E of Nikolski, Alaska
M6.8 1955-01-13	1955-01-13 02:03	18 km	81 km ENE of Nikolski, Alaska
M6.2 1953-02-10	1953-02-10 07:58	35 km	91 km SW of Nikolski, Alaska
M6.2 1952-01-21	1952-01-21 03:43	27 km	130 km S of Unalaska, Alaska
M6.3 1952-01-12	1952-01-12 20:11	25 km	136 km ESE of Nikolski, Alaska
M6.1 1950-09-02	1950-09-02 02:47	35 km	88 km SW of Nikolski, 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.