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M7.1 earthquake, New Zealand, 2004-11-22

MagnitudeM7.1mwc

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Depth10 km

Time (UTC)2004-11-22 20:26

Rank in 200412 / 157among M6+

Rank since 19001215 / 14,458

Energy vs an M6×45approx.

255 km W of Riverton, New Zealand · -46.68, 164.72

M5.5+ within 100 km in the next 30 days

None

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

1954 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 2003-11-02	2003-11-02 05:32	10 km	96 km WNW of Te Anau, New Zealand
M7.2 2003-08-21	2003-08-21 12:12	28 km	56 km NW of Te Anau, New Zealand
M6.1 2000-11-01	2000-11-01 10:35	24 km	67 km NW of Te Anau, New Zealand
M6.1 1994-01-03	1994-01-03 13:24	16 km	Auckland Islands, New Zealand region
M7.0 1993-08-10	1993-08-10 00:51	28 km	63 km WNW of Te Anau, New Zealand
M6.4 1989-05-31	1989-05-31 05:54	23 km	49 km W of Te Anau, New Zealand
M6.7 1988-06-03	1988-06-03 23:27	83 km	46 km NNW of Te Anau, New Zealand
M6.3 1985-01-31	1985-01-31 04:32	10 km	217 km WSW of Te Anau, New Zealand
M7.6 1981-05-25	1981-05-25 05:25	33 km	off the west coast of the South Island of New Zealand
M7.4 1979-10-12	1979-10-12 10:25	33 km	180 km W of Riverton, 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.