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M6.5 earthquake, Tonga, 1990-01-04

MagnitudeM6.5mw

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Depth54 km

Time (UTC)1990-01-04 05:32

Rank in 199040 / 153among M6+

Rank since 19004400 / 14,458

Energy vs an M6×6approx.

118 km ENE of Hihifo, Tonga · -15.40, -172.85

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
M6.0 1989-04-08	1989-04-08 03:06	33 km	88 km ENE of Hihifo, Tonga
M6.4 1988-12-05	1988-12-05 16:05	40 km	82 km NNE of Hihifo, Tonga
M6.3 1988-06-11	1988-06-11 12:17	36 km	111 km NNE of Hihifo, Tonga
M6.3 1988-04-02	1988-04-02 14:26	33 km	95 km NE of Hihifo, Tonga
M6.2 1988-02-06	1988-02-06 21:30	126 km	26 km S of Hihifo, Tonga
M6.0 1988-01-29	1988-01-29 16:48	106 km	75 km NNW of Hihifo, Tonga
M6.2 1987-11-03	1987-11-03 08:15	88 km	138 km S of Hihifo, Tonga
M7.3 1987-10-06	1987-10-06 04:19	16 km	201 km ENE of Neiafu, Tonga
M6.1 1986-07-01	1986-07-01 00:49	33 km	150 km ENE of Hihifo, Tonga
M6.0 1986-05-24	1986-05-24 10:43	33 km	90 km ENE of Hihifo, 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.