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M7.5 earthquake, New Zealand, 1945-09-01

MagnitudeM7.5mw

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Depth20 km

Time (UTC)1945-09-01 22:44

Rank in 19452 / 88among M6+

Rank since 1900445 / 14,458

Energy vs an M6×178approx.

173 km WSW of Riverton, New Zealand · -46.99, 165.96

M6.5+ within 300 km (largest first)

2009 M7.8M7.8

1981 M7.6M7.6

1945 M7.5M7.5

2007 M7.4M7.4

1979 M7.4M7.4

2003 M7.2M7.2

2004 M7.1M7.1

1964 M7.0M7.0

1938 M7.0M7.0

1993 M7.0M7.0

1936 M7.0M7.0

2007 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.7 1943-08-02	1943-08-02 00:46	15 km	62 km WNW of Te Anau, New Zealand
M6.2 1939-04-20	1939-04-20 22:06	35 km	80 km WSW of Te Anau, New Zealand
M6.6 1938-12-16	1938-12-16 23:14	15 km	115 km WNW of Te Anau, New Zealand
M7.0 1938-12-16	1938-12-16 17:21	100 km	15 km WNW of Te Anau, New Zealand
M6.5 1936-02-22	1936-02-22 19:22	15 km	off the west coast of the South Island of New Zealand
M7.0 1936-02-22	1936-02-22 15:32	15 km	Auckland Islands, New Zealand region
M6.2 1932-08-13	1932-08-13 20:56	20 km	Auckland Islands, New Zealand region
M6.5 1922-02-15	1922-02-15 08:10	15 km	248 km SW of Bluff, 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.