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M7.3 earthquake, Tonga, 1937-04-16

MagnitudeM7.3mw

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Depth330 km

Time (UTC)1937-04-16 03:01

Rank in 19375 / 98among M6+

Rank since 1900696 / 14,458

Energy vs an M6×89approx.

227 km WNW of Haveluloto, Tonga · -20.60, -177.31

M6.5+ within 300 km (largest first)

2018 M8.2M8.2

1903 M8.0M8.0

1997 M7.8M7.8

1919 M7.8M7.8

1950 M7.8M7.8

2002 M7.7M7.7

2026 M7.5M7.5

1962 M7.5M7.5

1957 M7.4M7.4

1996 M7.4M7.4

2013 M7.4M7.4

1944 M7.3M7.3

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1936-03-06	1936-03-06 14:25	35 km	79 km NE of Kolonga, Tonga
M6.3 1935-04-05	1935-04-05 02:55	30 km	8 km NNW of Kolonga, Tonga
M6.5 1930-02-14	1930-02-14 20:41	35 km	Tonga
M6.2 1929-10-07	1929-10-07 15:07	15 km	86 km WNW of Haveluloto, Tonga
M6.2 1924-12-24	1924-12-24 22:03	15 km	165 km W of Pangai, Tonga
M6.2 1924-05-17	1924-05-17 03:47	15 km	164 km WNW of Pangai, Tonga
M7.1 1924-05-04	1924-05-04 16:51	535 km	Fiji region
M6.6 1922-01-22	1922-01-22 03:23	15 km	110 km NW of Pangai, Tonga
M6.2 1919-04-23	1919-04-23 07:05	35 km	66 km WNW of Pangai, Tonga
M7.8 1919-01-01	1919-01-01 03:00	485 km	Fiji region

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.