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M6.9 earthquake, Tonga, 2008-10-19

MagnitudeM6.9mwc

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Depth29 km

Time (UTC)2008-10-19 05:10

Rank in 200819 / 179among M6+

Rank since 19001962 / 14,458

Energy vs an M6×22approx.

130 km ESE of ‘Ohonua, Tonga · -21.86, -173.82

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

Event	Time (UTC)	Depth	Place
M5.6 2008-10-19	2008-10-19 12:55	35 km	147 km ESE of ‘Ohonua, Tonga

M6.5+ within 300 km (largest first)

2006 M8.0M8.0

1903 M8.0M8.0

1913 M7.8M7.8

2009 M7.6M7.6

1948 M7.5M7.5

1905 M7.4M7.4

1986 M7.2M7.2

1903 M7.1M7.1

2025 M7.0M7.0

1946 M7.0M7.0

1990 M6.9M6.9

2024 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 2008-06-26	2008-06-26 21:19	38 km	149 km SE of Pangai, Tonga
M6.0 2006-11-30	2006-11-30 11:33	14 km	28 km E of ‘Ohonua, Tonga
M6.1 2006-08-15	2006-08-15 23:53	154 km	107 km W of Haveluloto, Tonga
M6.0 2006-05-17	2006-05-17 03:06	11 km	99 km SSE of Pangai, Tonga
M6.0 2006-05-04	2006-05-04 11:25	11 km	90 km SSE of Pangai, Tonga
M8.0 2006-05-03	2006-05-03 15:26	55 km	2006 Tonga Earthquake
M6.1 2006-03-05	2006-03-05 08:07	206 km	122 km NNW of Nuku‘alofa, Tonga
M6.1 2005-03-19	2005-03-19 15:02	18 km	65 km S of Pangai, Tonga
M6.1 2004-04-24	2004-04-24 07:44	8 km	64 km SSE of ‘Ohonua, Tonga
M6.2 2004-04-05	2004-04-05 20:34	8 km	81 km SSE of Pangai, 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.