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M6.8 earthquake, Tonga, 2022-12-04

MagnitudeM6.8mww

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Depth38 km

Time (UTC)2022-12-04 19:24

Rank in 202223 / 127among M6+

Rank since 19002507 / 14,458

Energy vs an M6×16approx.

109 km NE of Hihifo, Tonga · -15.35, -172.99

M5.5+ within 100 km in the next 30 days

Event	Time (UTC)	Depth	Place
M5.6 2022-12-05	2022-12-05 16:19	39 km	109 km NE of Hihifo, Tonga
M5.5 2022-12-08	2022-12-08 10:06	10 km	Samoa Islands region

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
M6.2 2020-11-07	2020-11-07 09:27	34 km	83 km NNE of Hihifo, Tonga
M6.1 2020-07-18	2020-07-18 15:32	12 km	141 km ENE of Hihifo, Tonga
M6.0 2020-03-17	2020-03-17 16:06	10 km	171 km E of Hihifo, Tonga
M6.0 2019-12-06	2019-12-06 13:04	10 km	159 km WNW of Hihifo, Tonga
M6.0 2019-04-12	2019-04-12 12:23	15 km	121 km ENE of Hihifo, Tonga
M6.0 2017-11-20	2017-11-20 18:51	9 km	191 km NW of Hihifo, Tonga
M6.8 2017-11-04	2017-11-04 09:00	10 km	97 km NE of Hihifo, Tonga
M6.1 2016-10-26	2016-10-26 05:19	10 km	127 km WNW of Hihifo, Tonga
M6.0 2016-07-10	2016-07-10 13:44	8 km	115 km NNE of Hihifo, Tonga
M6.0 2015-10-18	2015-10-18 16:18	12 km	63 km ESE 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.