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M7.3 earthquake, New Zealand, 1931-02-13

MagnitudeM7.3mw

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Depth45 km

Time (UTC)1931-02-13 01:27

Rank in 193110 / 124among M6+

Rank since 1900694 / 14,458

Energy vs an M6×89approx.

40 km E of Waiouru, New Zealand · -39.42, 176.13

M6.5+ within 300 km (largest first)

1947 M7.7M7.7

1947 M7.6M7.6

1931 M7.4M7.4

1931 M7.3M7.3

1934 M7.2M7.2

1995 M7.1M7.1

1942 M7.0M7.0

1914 M7.0M7.0

1932 M6.9M6.9

1947 M6.9M6.9

1942 M6.8M6.8

1917 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1931-02-11	1931-02-11 17:02	15 km	174 km ESE of Hastings, New Zealand
M6.4 1931-02-08	1931-02-08 01:43	15 km	off the east coast of the North Island of New Zealand
M7.4 1931-02-02	1931-02-02 22:46	35 km	47 km WSW of Hastings, New Zealand
M6.3 1930-02-12	1930-02-12 06:21	15 km	50 km ESE of Castlepoint, New Zealand
M6.2 1927-02-25	1927-02-25 15:41	35 km	54 km NNE of Gisborne, New Zealand
M6.7 1921-06-28	1921-06-28 13:58	25 km	5 km SSW of Hastings, New Zealand
M6.3 1919-09-12	1919-09-12 06:06	15 km	84 km SSE of Castlepoint, New Zealand
M6.8 1917-08-05	1917-08-05 15:50	15 km	56 km SSE of Castlepoint, New Zealand
M7.0 1914-11-22	1914-11-22 08:14	275 km	44 km N of Whakatane, New Zealand
M6.7 1914-10-06	1914-10-06 19:15	15 km	48 km ENE of Opotiki, 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.