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M6.6 earthquake, off the east coast of the North Island of New Zealand, 1938-02-13

MagnitudeM6.6mw

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Depth35 km

Time (UTC)1938-02-13 08:03

Rank in 193836 / 149among M6+

Rank since 19003256 / 14,458

Energy vs an M6×9approx.

off the east coast of the North Island of New Zealand · -35.93, 179.47

M6.5+ within 300 km (largest first)

1947 M7.6M7.6

2021 M7.3M7.3

1995 M7.1M7.1

1914 M7.0M7.0

2016 M7.0M7.0

1984 M6.8M6.8

1970 M6.8M6.8

2001 M6.7M6.7

2014 M6.7M6.7

1914 M6.7M6.7

1938 M6.6M6.6

1986 M6.6M6.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1937-10-25	1937-10-25 10:33	35 km	43 km ENE of Opotiki, New Zealand
M6.0 1937-10-23	1937-10-23 16:53	15 km	45 km NNE of Opotiki, New Zealand
M6.1 1928-03-23	1928-03-23 20:02	15 km	south of the Kermadec Islands
M6.2 1927-02-25	1927-02-25 15:41	35 km	54 km NNE of Gisborne, 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.