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M7.1 earthquake, New Zealand, 1968-05-23

MagnitudeM7.1mw

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Depth22 km

Time (UTC)1968-05-23 17:24

Rank in 196816 / 159among M6+

Rank since 19001310 / 14,458

Energy vs an M6×39approx.

38 km E of Westport, New Zealand · -41.73, 172.06

M6.5+ within 300 km (largest first)

2016 M7.8M7.8

1929 M7.3M7.3

1968 M7.1M7.1

1929 M7.0M7.0

2010 M7.0M7.0

1994 M6.8M6.8

1942 M6.8M6.8

1946 M6.5M6.5

2013 M6.5M6.5

2016 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1965-04-11	1965-04-11 00:11	25 km	119 km E of Hanmer Springs, New Zealand
M6.4 1948-05-22	1948-05-22 19:21	15 km	71 km NNE of Amberley, New Zealand
M6.1 1946-06-28	1946-06-28 07:12	15 km	54 km NNW of Methven, New Zealand
M6.5 1946-06-26	1946-06-26 12:34	15 km	35 km NNW of Methven, New Zealand
M6.8 1942-08-01	1942-08-01 12:34	35 km	15 km SSE of Levin, New Zealand
M6.3 1929-06-22	1929-06-22 18:39	15 km	51 km SSW of Wakefield, New Zealand
M6.5 1929-06-22	1929-06-22 15:30	15 km	58 km SW of Wakefield, New Zealand
M6.2 1929-06-19	1929-06-19 09:17	15 km	52 km E of Westport, New Zealand
M7.3 1929-06-16	1929-06-16 22:47	20 km	68 km S of Wakefield, New Zealand
M7.0 1929-03-09	1929-03-09 10:50	20 km	30 km NW of Amberley, 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.