Strong mag. 6.4 earthquake - Vanuatu on Saturday, 25 October 1986 at 20:47 (GMT)

Strong mag. 6.4 earthquake - Vanuatu on Saturday, 25 October 1986 at 20:47 (GMT)

Strong magnitude 6.4 earthquake at 31 km depth

Date & time: 25 Oct 1986 20:47:01 UTC
Magnitude: 6.4
Depth: 30.6 km
Epicenter latitude / longitude: 17.663°S / 168.135°E (Vanuatu)
Nearest volcano: Fatmalapa (27 km / 17 mi)
Nearby towns and cities:
21 km (13 mi) WNW of Port Vila (pop: 35,900) --> See nearby quakes!
194 km (121 mi) SSE of Norsup (pop: 3,000) --> See nearby quakes!
241 km (150 mi) NNW of Isangel (pop: 1,440) --> See nearby quakes!
260 km (162 mi) SSE of Luganville (pop: 13,400) --> See nearby quakes!
313 km (194 mi) SSE of Port-Olry (pop: 1,950) --> See nearby quakes!
373 km (232 mi) NNE of Wé (Lifou, New Caledonia) (pop: 10,400) --> See nearby quakes!
426 km (265 mi) S of Sola (pop: 1,170) --> See nearby quakes!
433 km (269 mi) N of Tadine (Maré, New Caledonia) (pop: 7,490) --> See nearby quakes!
468 km (291 mi) NE of Poindimié (New Caledonia) (pop: 4,890) --> See nearby quakes!
515 km (320 mi) NNE of Bourail (New Caledonia) (pop: 4,830) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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 6.431 kmVanuatuUSGS
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 6.4 quake Vanuatu 25 October 1986 20:47 GMT

More info
Recorded aftershocks, latest first (14 quakes):
  • 30 Mar 1987 08:12 UTC
    | M 4.3 |
    93.7 km (58.2 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 29 Mar 1987 09:17 UTC
    | M 5.7 |
    21.8 km (13.5 mi) depth
    |
    54 km (33 mi) distance
    | USGS | Details
  • 22 Mar 1987 15:22 UTC
    | M 4.4 |
    24.9 km (15.5 mi) depth
    |
    37 km (23 mi) distance
    | USGS | Details
  • 28 Jan 1987 14:03 UTC
    | M 4.3 |
    151 km (93.8 mi) depth
    |
    37 km (23 mi) distance
    | USGS | Details
  • 09 Jan 1987 13:31 UTC
    | M 4.2 |
    33 km (20.5 mi) depth
    |
    62 km (38 mi) distance
    | USGS | Details
  • 28 Dec 1986 11:33 UTC
    | M 4.3 |
    33 km (20.5 mi) depth
    |
    32 km (20 mi) distance
    | USGS | Details
  • 25 Dec 1986 08:36 UTC
    | M 4.5 |
    33 km (20.5 mi) depth
    |
    74 km (46 mi) distance
    | USGS | Details
  • 16 Dec 1986 08:18 UTC
    | M 5.6 |
    10 km (6.2 mi) depth
    |
    64 km (40 mi) distance
    | USGS | Details
  • 15 Dec 1986 21:18 UTC
    | M 4.0 |
    10 km (6.2 mi) depth
    |
    56 km (34 mi) distance
    | USGS | Details
  • 15 Dec 1986 15:40 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    60 km (37 mi) distance
    | USGS | Details
  • 14 Dec 1986 11:22 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    49 km (31 mi) distance
    | USGS | Details
  • 14 Dec 1986 08:53 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    64 km (40 mi) distance
    | USGS | Details
  • 13 Dec 1986 18:31 UTC
    | M 5.8 |
    17.1 km (10.6 mi) depth
    |
    60 km (37 mi) distance
    | USGS | Details
  • 07 Dec 1986 18:39 UTC
    | M 4.4 |
    33 km (20.5 mi) depth
    |
    80 km (49 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Strong mag. 6.4 earthquake - Vanuatu on Saturday, 25 October 1986 at 20:47 (GMT)
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