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M6.8 earthquake, south of the Kermadec Islands, 1987-02-17

MagnitudeM6.8mw

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Depth10 km

Time (UTC)1987-02-17 06:16

Rank in 198722 / 166among M6+

Rank since 19002339 / 14,458

Energy vs an M6×16approx.

south of the Kermadec Islands · -32.79, -179.30

M6.5+ within 300 km (largest first)

2006 M7.4M7.4

2020 M7.4M7.4

1968 M7.3M7.3

2019 M7.3M7.3

1978 M7.2M7.2

1919 M7.2M7.2

1910 M7.1M7.1

1968 M7.1M7.1

1968 M7.0M7.0

1983 M7.0M7.0

1989 M7.0M7.0

1968 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.5 1986-09-13	1986-09-13 15:17	215 km	Kermadec Islands region
M6.1 1986-06-19	1986-06-19 23:18	10 km	Kermadec Islands, New Zealand
M6.5 1985-11-07	1985-11-07 19:12	44 km	east of the North Island of New Zealand
M6.9 1985-09-26	1985-09-26 07:27	52 km	south of the Kermadec Islands
M6.1 1984-09-22	1984-09-22 21:44	44 km	south of the Kermadec Islands
M6.3 1984-09-17	1984-09-17 09:08	10 km	south of the Kermadec Islands
M6.1 1984-08-30	1984-08-30 16:06	33 km	south of the Kermadec Islands
M7.0 1983-01-26	1983-01-26 16:02	238 km	Kermadec Islands region
M6.0 1982-03-28	1982-03-28 03:52	79 km	Kermadec Islands region
M6.4 1978-08-15	1978-08-15 12:37	33 km	Kermadec Islands, New Zealand

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.