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M6.9 earthquake, north of Ascension Island, 1966-10-19

MagnitudeM6.9mw

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Depth22 km

Time (UTC)1966-10-19 08:01

Rank in 196614 / 109among M6+

Rank since 19002087 / 14,458

Energy vs an M6×20approx.

north of Ascension Island · -1.63, -15.42

M6.5+ within 300 km (largest first)

1992 M6.9M6.9

1946 M6.9M6.9

1966 M6.9M6.9

1933 M6.7M6.7

1996 M6.6M6.6

2017 M6.6M6.6

1990 M6.6M6.6

1968 M6.6M6.6

1942 M6.6M6.6

1923 M6.5M6.5

1968 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1954-04-25	1954-04-25 00:27	15 km	north of Ascension Island
M6.0 1953-08-23	1953-08-23 07:18	15 km	north of Ascension Island
M6.5 1946-11-03	1946-11-03 19:32	15 km	north of Ascension Island
M6.9 1946-04-11	1946-04-11 01:52	15 km	north of Ascension Island
M6.6 1942-04-13	1942-04-13 07:46	10 km	north of Ascension Island
M6.2 1939-04-23	1939-04-23 16:23	15 km	north of Ascension Island
M6.0 1935-07-17	1935-07-17 04:31	15 km	north of Ascension Island
M6.7 1933-05-19	1933-05-19 17:58	10 km	north of Ascension Island
M6.0 1933-03-14	1933-03-14 01:30	10 km	north of Ascension Island
M6.3 1929-06-06	1929-06-06 10:50	10 km	north of Ascension Island

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.