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M7.8 earthquake, Tonga, 1950-12-14

MagnitudeM7.8mw

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Depth216 km

Time (UTC)1950-12-14 01:52

Rank in 19504 / 123among M6+

Rank since 1900179 / 14,458

Energy vs an M6×501approx.

159 km W of Pangai, Tonga · -19.70, -175.87

M6.5+ within 300 km (largest first)

2018 M8.2M8.2

2006 M8.0M8.0

1903 M8.0M8.0

1997 M7.8M7.8

1919 M7.8M7.8

1950 M7.8M7.8

1913 M7.8M7.8

1948 M7.5M7.5

2026 M7.5M7.5

1962 M7.5M7.5

1957 M7.4M7.4

1996 M7.4M7.4

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1950-10-21	1950-10-21 04:12	45 km	6 km E of Neiafu, Tonga
M6.8 1950-09-22	1950-09-22 23:53	400 km	Fiji region
M6.9 1949-08-06	1949-08-06 00:35	65 km	65 km SW of Neiafu, Tonga
M6.3 1948-12-16	1948-12-16 07:18	15 km	182 km W of Pangai, Tonga
M6.1 1948-11-13	1948-11-13 22:48	15 km	82 km ESE of Pangai, Tonga
M7.5 1948-09-08	1948-09-08 15:09	15 km	110 km E of ‘Ohonua, Tonga
M7.1 1948-01-27	1948-01-27 11:58	595 km	Fiji region
M6.1 1947-07-12	1947-07-12 12:29	35 km	93 km SSE of Pangai, Tonga
M7.0 1946-11-12	1946-11-12 17:28	15 km	122 km ESE of Pangai, Tonga
M6.3 1946-07-09	1946-07-09 01:08	35 km	43 km SSW of ‘Ohonua, 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.