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M6.5 earthquake, Tonga, 1986-06-28

MagnitudeM6.5mw

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Depth211 km

Time (UTC)1986-06-28 05:03

Rank in 198632 / 138among M6+

Rank since 19004363 / 14,458

Energy vs an M6×6approx.

151 km NW of Nuku‘alofa, Tonga · -20.04, -176.06

M6.5+ within 300 km (largest first)

2006 M8.0M8.0

1903 M8.0M8.0

1997 M7.8M7.8

1919 M7.8M7.8

1950 M7.8M7.8

1913 M7.8M7.8

1948 M7.5M7.5

2026 M7.5M7.5

1962 M7.5M7.5

1957 M7.4M7.4

1996 M7.4M7.4

1937 M7.3M7.3

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1985-10-12	1985-10-12 02:12	155 km	133 km WSW of Haveluloto, Tonga
M6.1 1985-09-27	1985-09-27 10:10	33 km	99 km SSE of ‘Ohonua, Tonga
M6.0 1985-02-03	1985-02-03 04:50	56 km	85 km SSE of Pangai, Tonga
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
M6.3 1984-11-15	1984-11-15 05:52	348 km	244 km WNW of Haveluloto, Tonga
M6.1 1984-10-13	1984-10-13 02:03	37 km	179 km WNW of Neiafu, Tonga
M6.0 1984-09-28	1984-09-28 03:03	364 km	270 km W of Haveluloto, Tonga
M6.0 1984-03-14	1984-03-14 11:36	570 km	Fiji region
M6.0 1983-11-29	1983-11-29 23:41	525 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.