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M6.6 earthquake, Kermadec Islands, 1972-03-07

MagnitudeM6.6mw

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Depth212 km

Time (UTC)1972-03-07 07:45

Rank in 197227 / 132among M6+

Rank since 19003277 / 14,458

Energy vs an M6×9approx.

Kermadec Islands region · -28.27, -178.16

M6.5+ within 300 km (largest first)

2021 M8.1M8.1

1976 M8.0M8.0

2007 M7.8M7.8

1986 M7.7M7.7

2011 M7.6M7.6

1955 M7.5M7.5

1917 M7.5M7.5

2011 M7.4M7.4

2021 M7.4M7.4

1959 M7.3M7.3

1968 M7.3M7.3

2019 M7.3M7.3

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1971-09-12	1971-09-12 08:06	98 km	south of the Fiji Islands
M7.3 1970-01-20	1970-01-20 07:19	50 km	south of the Fiji Islands
M6.1 1969-06-29	1969-06-29 10:34	51 km	Kermadec Islands, New Zealand
M6.2 1969-01-11	1969-01-11 04:26	30 km	Kermadec Islands region
M7.1 1968-09-26	1968-09-26 18:02	52 km	Kermadec Islands, New Zealand
M6.5 1968-08-21	1968-08-21 17:56	16 km	Kermadec Islands, New Zealand
M7.3 1968-07-25	1968-07-25 07:23	48 km	Kermadec Islands, New Zealand
M6.9 1968-05-20	1968-05-20 20:05	60 km	Kermadec Islands, New Zealand
M7.0 1968-05-20	1968-05-20 07:13	56 km	Kermadec Islands, New Zealand
M6.5 1968-05-15	1968-05-15 15:00	22 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.