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M6.5 earthquake, Alaska, 1957-03-10

MagnitudeM6.5mw

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Depth25 km

Time (UTC)1957-03-10 15:26

Rank in 195751 / 175among M6+

Rank since 19004223 / 14,458

Energy vs an M6×6approx.

95 km ESE of Atka, Alaska · 51.73, -173.04

M6.5+ within 300 km (largest first)

1957 M8.6M8.6

1986 M8.0M8.0

1929 M7.8M7.8

1905 M7.6M7.6

1916 M7.4M7.4

1996 M7.3M7.3

2011 M7.3M7.3

1957 M7.1M7.1

1970 M7.1M7.1

1901 M7.1M7.1

1957 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1957-03-10	1957-03-10 12:45	33 km	146 km S of Adak, Alaska
M6.0 1957-03-10	1957-03-10 12:36	20 km	238 km SSW of Nikolski, Alaska
M6.2 1957-03-10	1957-03-10 11:20	25 km	Fox Islands, Aleutian Islands, Alaska
M6.6 1957-03-10	1957-03-10 03:09	33 km	89 km S of Atka, Alaska
M6.6 1957-03-10	1957-03-10 03:06	25 km	62 km SSE of Atka, Alaska
M6.9 1957-03-09	1957-03-09 20:39	25 km	80 km SW of Nikolski, Alaska
M8.6 1957-03-09	1957-03-09 14:22	25 km	1957 Atka, Alaska Earthquake
M6.8 1957-02-21	1957-02-21 14:30	104 km	167 km W of Nikolski, Alaska
M6.0 1957-01-25	1957-01-25 03:36	45 km	27 km SW of Adak, Alaska
M6.2 1956-06-04	1956-06-04 07:09	15 km	179 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.