Home › 2009 › Tonga

M7.6 earthquake, Tonga, 2009-03-19

MagnitudeM7.6mwc

This page is updated only once a day and is not an alert service. For current earthquake and tsunami information, check the Japan Meteorological Agency, the USGS and your local authorities.

Depth31 km

Time (UTC)2009-03-19 18:17

Rank in 20096 / 160among M6+

Rank since 1900382 / 14,458

Energy vs an M6×251approx.

191 km S of ‘Ohonua, Tonga · -23.04, -174.66

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

Event	Time (UTC)	Depth	Place
M5.5 2009-04-04	2009-04-04 11:07	35 km	133 km SSE of ‘Ohonua, Tonga
M5.6 2009-04-06	2009-04-06 12:16	35 km	116 km S of ‘Ohonua, Tonga

M6.5+ within 300 km (largest first)

1975 M7.8M7.8

1997 M7.8M7.8

1913 M7.8M7.8

1963 M7.6M7.6

2009 M7.6M7.6

1948 M7.5M7.5

2013 M7.4M7.4

1905 M7.4M7.4

1960 M7.2M7.2

1982 M7.2M7.2

1986 M7.2M7.2

1996 M7.2M7.2

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.9 2008-10-19	2008-10-19 05:10	29 km	130 km ESE of ‘Ohonua, Tonga
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
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
M6.0 2004-04-16	2004-04-16 16:58	10 km	south of 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.