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M6.5 earthquake, Samoa, 1933-01-27

MagnitudeM6.5mw

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Depth15 km

Time (UTC)1933-01-27 22:36

Rank in 193327 / 101among M6+

Rank since 19004045 / 14,458

Energy vs an M6×6approx.

154 km SSW of Matavai, Samoa · -15.40, -171.97

M6.5+ within 300 km (largest first)

2009 M8.1M8.1

1917 M8.0M8.0

1975 M7.8M7.8

1981 M7.7M7.7

1977 M7.6M7.6

2023 M7.6M7.6

1995 M7.4M7.4

1987 M7.3M7.3

1984 M7.2M7.2

2000 M7.2M7.2

1957 M7.1M7.1

1978 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1931-07-20	1931-07-20 08:30	35 km	62 km NE of Hihifo, Tonga
M6.2 1930-01-14	1930-01-14 22:01	15 km	133 km E of Hihifo, Tonga
M6.2 1927-07-03	1927-07-03 10:37	15 km	106 km SSW of Gataivai, Samoa
M6.2 1926-03-16	1926-03-16 17:37	15 km	146 km E of Hihifo, Tonga
M6.1 1925-12-31	1925-12-31 08:46	15 km	129 km SSW of Matavai, Samoa
M6.3 1925-06-19	1925-06-19 07:50	15 km	171 km S of Vailoatai, American Samoa
M6.3 1924-07-07	1924-07-07 02:39	35 km	72 km ESE of Hihifo, Tonga
M6.2 1921-11-29	1921-11-29 22:46	15 km	156 km NE of Neiafu, Tonga
M6.4 1920-05-26	1920-05-26 12:22	35 km	115 km NNE of Hihifo, Tonga
M6.1 1919-05-06	1919-05-06 04:09	15 km	122 km SSW of Gataivai, Samoa

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.