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M6.6 earthquake, New Zealand, 2007-12-20

MagnitudeM6.6mwc

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Depth20 km

Time (UTC)2007-12-20 07:55

Rank in 200746 / 196among M6+

Rank since 19003673 / 14,458

Energy vs an M6×8approx.

46 km SSE of Gisborne, New Zealand · -39.01, 178.29

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

None

M6.5+ within 300 km (largest first)

1947 M7.7M7.7

1947 M7.6M7.6

1931 M7.4M7.4

1931 M7.3M7.3

2021 M7.3M7.3

1934 M7.2M7.2

1995 M7.1M7.1

1914 M7.0M7.0

2016 M7.0M7.0

1932 M6.9M6.9

1947 M6.9M6.9

1984 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.7 2001-10-21	2001-10-21 00:29	18 km	178 km ENE of Opotiki, New Zealand
M6.2 1999-10-25	1999-10-25 20:31	159 km	24 km W of Taupo, New Zealand
M6.0 1995-02-13	1995-02-13 00:11	28 km	125 km ENE of Opotiki, New Zealand
M6.5 1995-02-10	1995-02-10 01:45	28 km	102 km NNE of Gisborne, New Zealand
M7.1 1995-02-05	1995-02-05 22:51	21 km	118 km NNE of Gisborne, New Zealand
M6.5 1994-12-15	1994-12-15 11:20	33 km	83 km NNE of Opotiki, New Zealand
M6.4 1993-08-10	1993-08-10 09:46	14 km	42 km WNW of Gisborne, New Zealand
M6.2 1992-06-21	1992-06-21 17:43	10 km	31 km NNW of Whakatane, New Zealand
M6.1 1991-11-20	1991-11-20 09:23	79 km	192 km NNE of Opotiki, New Zealand
M6.4 1990-05-13	1990-05-13 04:23	21 km	39 km E of Palmerston North, 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.