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M7.2 earthquake, south of Tonga, 1982-12-19

MagnitudeM7.2mw

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Depth33 km

Time (UTC)1982-12-19 17:43

Rank in 19822 / 87among M6+

Rank since 1900923 / 14,458

Energy vs an M6×63approx.

south of Tonga · -24.13, -175.86

M6.5+ within 300 km (largest first)

2007 M7.8M7.8

1975 M7.8M7.8

1997 M7.8M7.8

1963 M7.6M7.6

2009 M7.6M7.6

2013 M7.4M7.4

1905 M7.4M7.4

1970 M7.3M7.3

1977 M7.2M7.2

1960 M7.2M7.2

1986 M7.2M7.2

1996 M7.2M7.2

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1982-09-28	1982-09-28 15:14	40 km	south of the Fiji Islands
M6.1 1982-09-04	1982-09-04 13:31	33 km	south of the Fiji Islands
M6.0 1982-01-04	1982-01-04 22:20	195 km	south of the Fiji Islands
M6.7 1980-04-13	1980-04-13 18:04	79 km	south of the Fiji Islands
M6.0 1980-01-14	1980-01-14 12:19	33 km	118 km S of ‘Ohonua, Tonga
M6.6 1979-11-13	1979-11-13 20:43	32 km	248 km S of ‘Ohonua, Tonga
M6.4 1979-08-05	1979-08-05 00:53	181 km	292 km SW of Haveluloto, Tonga
M6.3 1978-03-04	1978-03-04 04:46	33 km	62 km S of ‘Ohonua, Tonga
M6.0 1978-01-28	1978-01-28 19:36	102 km	south of the Fiji Islands
M6.1 1977-12-08	1977-12-08 06:15	33 km	south of 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.