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M6.7 earthquake, Tonga, 1955-08-06

MagnitudeM6.7mw

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Depth360 km

Time (UTC)1955-08-06 08:31

Rank in 195518 / 128among M6+

Rank since 19002781 / 14,458

Energy vs an M6×11approx.

255 km W of Haveluloto, Tonga · -20.95, -177.67

M6.5+ within 300 km (largest first)

1903 M8.0M8.0

1997 M7.8M7.8

1919 M7.8M7.8

1950 M7.8M7.8

2002 M7.7M7.7

1962 M7.5M7.5

1957 M7.4M7.4

1996 M7.4M7.4

2013 M7.4M7.4

1937 M7.3M7.3

1944 M7.3M7.3

2011 M7.3M7.3

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1951-07-02	1951-07-02 21:46	35 km	5 km S of Tatakamotonga, Tonga
M7.8 1950-12-14	1950-12-14 01:52	216 km	159 km W of Pangai, Tonga
M6.3 1948-12-16	1948-12-16 07:18	15 km	182 km W of Pangai, Tonga
M7.1 1948-01-27	1948-01-27 11:58	595 km	Fiji region
M6.3 1946-07-09	1946-07-09 01:08	35 km	43 km SSW of ‘Ohonua, Tonga
M7.3 1944-05-25	1944-05-25 01:06	633 km	Fiji region
M6.5 1942-11-02	1942-11-02 23:59	35 km	97 km WSW of Pangai, Tonga
M6.8 1939-07-20	1939-07-20 02:23	635 km	Fiji region
M7.3 1937-04-16	1937-04-16 03:01	330 km	227 km WNW of Haveluloto, Tonga
M6.3 1935-04-05	1935-04-05 02:55	30 km	8 km NNW of Kolonga, Tonga

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.