Home › 1949 › Tonga

M6.9 earthquake, Tonga, 1949-08-06

MagnitudeM6.9mw

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.

Depth65 km

Time (UTC)1949-08-06 00:35

Rank in 194915 / 83among M6+

Rank since 19002070 / 14,458

Energy vs an M6×21approx.

65 km SW of Neiafu, Tonga · -19.10, -174.38

M6.5+ within 300 km (largest first)

1919 M8.1M8.1

2006 M8.0M8.0

1903 M8.0M8.0

1950 M7.8M7.8

1913 M7.8M7.8

1948 M7.5M7.5

2026 M7.5M7.5

1921 M7.4M7.4

1907 M7.3M7.3

1987 M7.3M7.3

2022 M7.3M7.3

1906 M7.2M7.2

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1948-12-16	1948-12-16 07:18	15 km	182 km W of Pangai, Tonga
M6.1 1948-11-13	1948-11-13 22:48	15 km	82 km ESE of Pangai, Tonga
M7.5 1948-09-08	1948-09-08 15:09	15 km	110 km E of ‘Ohonua, Tonga
M6.1 1947-07-12	1947-07-12 12:29	35 km	93 km SSE of Pangai, Tonga
M7.0 1946-11-12	1946-11-12 17:28	15 km	122 km ESE of Pangai, Tonga
M6.3 1946-07-09	1946-07-09 01:08	35 km	43 km SSW of ‘Ohonua, Tonga
M6.5 1942-11-02	1942-11-02 23:59	35 km	97 km WSW of Pangai, Tonga
M6.2 1942-02-13	1942-02-13 06:19	15 km	35 km SSW of Pangai, Tonga
M6.2 1939-08-23	1939-08-23 04:36	35 km	44 km W of Pangai, Tonga
M6.2 1939-03-22	1939-03-22 07:21	15 km	133 km SE 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.