Home › 1987 › Tonga

M6.5 earthquake, Tonga, 1987-02-10

MagnitudeM6.5mw

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.

Depth394 km

Time (UTC)1987-02-10 00:59

Rank in 198748 / 166among M6+

Rank since 19004372 / 14,458

Energy vs an M6×6approx.

297 km NW of Haveluloto, Tonga · -19.49, -177.46

M6.5+ within 300 km (largest first)

2018 M8.2M8.2

1903 M8.0M8.0

1997 M7.8M7.8

1919 M7.8M7.8

1950 M7.8M7.8

1909 M7.6M7.6

1994 M7.6M7.6

2026 M7.5M7.5

1962 M7.5M7.5

1957 M7.4M7.4

1996 M7.4M7.4

1910 M7.4M7.4

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.5 1987-01-09	1987-01-09 08:01	33 km	231 km NW of Nuku‘alofa, Tonga
M7.2 1986-10-30	1986-10-30 01:28	188 km	157 km WSW of Haveluloto, Tonga
M6.5 1986-06-28	1986-06-28 05:03	211 km	151 km NW of Nuku‘alofa, Tonga
M6.0 1986-04-01	1986-04-01 10:13	540 km	227 km E of Levuka, Fiji
M6.1 1985-12-25	1985-12-25 22:15	455 km	Fiji region
M6.3 1985-10-12	1985-10-12 02:12	155 km	133 km WSW of Haveluloto, Tonga
M6.6 1985-08-28	1985-08-28 20:50	625 km	Fiji region
M6.5 1984-11-22	1984-11-22 17:07	646 km	280 km E of Levuka, Fiji
M6.2 1984-11-17	1984-11-17 22:43	33 km	183 km W of Neiafu, Tonga
M6.7 1984-11-17	1984-11-17 13:45	451 km	Fiji region

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.