Strong mag. 6.6 earthquake - Kermadec Islands, New Zealand, on Saturday, 11 February 1978 at 00:05 (GMT)

Strong mag. 6.6 earthquake - Kermadec Islands, New Zealand, on Saturday, 11 February 1978 at 00:05 (GMT)

Strong magnitude 6.6 earthquake at 33 km depth

Date & time: 11 Feb 1978 00:05:23 UTC
Magnitude: 6.6
Depth: 33.0 km
Epicenter latitude / longitude: 30.414°S / 177.119°W (New Zealand)
Nearest volcano: Macauley Island (132 km / 82 mi)
Nearby towns and cities:
1411 km (877 mi) NNE of Wellington (pop: 381,900) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1014 joules (139 gigawatt hours, equivalent to 1.2 x 105 tons of TNT or 7.5 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
MagnitudeDepthLocationSource
M 6.633 kmKermadec Islands, New ZealandUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks of the 6.6 quake Kermadec Islands, New Zealand, 11 February 1978 00:05 GMT

More info
Recorded aftershocks, latest first (28 quakes):
  • 07 Aug 1978 09:30 UTC
    | M 4.6 |
    51 km (31.7 mi) depth
    |
    72 km (45 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    16624 km (10330 mi) distance
    | | Details
  • 08 Jul 1978 18:05 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    |
    64 km (40 mi) distance
    | USGS | Details
  • 07 Jun 1978 04:37 UTC
    | M 5.1 |
    127 km (78.9 mi) depth
    |
    108 km (67 mi) distance
    | USGS | Details
  • 20 May 1978 21:50 UTC
    | M 5.5 |
    43 km (26.7 mi) depth
    |
    92 km (57 mi) distance
    | USGS | Details
  • 10 Apr 1978 10:28 UTC
    | M 5.0 |
    41 km (25.5 mi) depth
    |
    84 km (52 mi) distance
    | USGS | Details
  • 12 Mar 1978 16:13 UTC
    | M 5.5 |
    37 km (23 mi) depth
    |
    102 km (63 mi) distance
    | USGS | Details
  • 05 Mar 1978 00:54 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    23 km (14 mi) distance
    | USGS | Details
  • 03 Mar 1978 02:00 UTC
    | M 4.6 |
    338 km (210 mi) depth
    |
    93 km (58 mi) distance
    | USGS | Details
  • 24 Feb 1978 21:12 UTC
    | M 5.2 |
    21 km (13 mi) depth
    |
    34 km (21 mi) distance
    | USGS | Details
  • 24 Feb 1978 18:16 UTC
    | M 5.2 |
    48 km (29.8 mi) depth
    |
    34 km (21 mi) distance
    | USGS | Details
  • 20 Feb 1978 10:13 UTC
    | M 4.6 |
    33 km (20.5 mi) depth
    |
    36 km (22 mi) distance
    | USGS | Details
  • 20 Feb 1978 07:30 UTC
    | M 5.1 |
    10 km (6.2 mi) depth
    |
    2 km (1 mi) distance
    | USGS | Details
  • 16 Feb 1978 07:13 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    74 km (46 mi) distance
    | USGS | Details
  • 15 Feb 1978 05:17 UTC
    | M 4.3 |
    35 km (21.7 mi) depth
    |
    87 km (54 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    16624 km (10330 mi) distance
    | | Details
    • Show all

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Earlier earthquakes in the same area

Strong mag. 6.6 earthquake - Kermadec Islands, New Zealand, on Saturday, 11 February 1978 at 00:05 (GMT)
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