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Major mag. 7.1 earthquake - Vanuatu on Saturday, 21 December 1985

Major mag. 7.1 earthquake  - Vanuatu on Saturday, 21 December 1985
Date & time: Saturday, 21 December 1985 01:13 UTC
Magnitude: 7.1
Depth: 43.0 km
Epicenter latitude / longitude: 13.966°S / 166.516°E (Vanuatu)
Nearest volcano: Ureparapara (99 km / 62 mi)
Nearby towns and cities:
112 km (70 mi) W of Sola (pop: 1,200)
186 km (116 mi) NW of Luganville (pop: 13,400)
Primary data source: USGS
Estimated released energy: 2.8 x 1015 joules (783 gigawatt hours, equivalent to 6.7 x 105 tons of TNT or 42.1 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
Thu, 1 Jan 00:00 UTCM
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) scale.
There are no user reports for this quake yet. If you felt it or were nearby when it occurred, be the first to report it!

Aftershocks of the 7.1 quake: Vanuatu, 21 Dec 1985 01h13

Show info about this
List of recorded aftershocks, latest first (139 quakes):
  • 09 Dec 1987 02:33 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    96 km (60 mi) distance
    | USGS | Details
  • 08 Dec 1987 19:10 UTC
    | M 5.3 |
    33 km (20.5 mi) depth
    |
    111 km (69 mi) distance
    | USGS | Details
  • 08 Dec 1987 11:19 UTC
    | M 4.6 |
    33 km (20.5 mi) depth
    |
    110 km (68 mi) distance
    | USGS | Details
  • 07 Dec 1987 19:20 UTC
    | M 5.4 |
    33 km (20.5 mi) depth
    |
    107 km (67 mi) distance
    | USGS | Details
  • 07 Dec 1987 13:14 UTC
    | M 6.2 |
    33 km (20.5 mi) depth
    |
    111 km (69 mi) distance
    | USGS | Strong mag. 6.2 earthquake - Vanuatu on Monday, 7 December 1987
  • 07 Dec 1987 13:07 UTC
    | M 4.1 |
    33 km (20.5 mi) depth
    |
    100 km (62 mi) distance
    | USGS | Details
  • 07 Dec 1987 12:49 UTC
    | M 4.8 |
    33 km (20.5 mi) depth
    |
    113 km (70 mi) distance
    | USGS | Details
  • 07 Dec 1987 12:26 UTC
    | M 6.3 |
    48.1 km (29.9 mi) depth
    |
    102 km (63 mi) distance
    | USGS | Strong mag. 6.3 earthquake - Vanuatu on Monday, 7 December 1987
  • 06 Dec 1987 09:24 UTC
    | M 4.7 |
    33 km (20.5 mi) depth
    |
    117 km (72 mi) distance
    | USGS | Details
  • 07 Nov 1987 15:55 UTC
    | M 4.7 |
    211.2 km (131.2 mi) depth
    |
    102 km (63 mi) distance
    | USGS | Details
  • 05 Nov 1987 09:12 UTC
    | M 5.3 |
    149.8 km (93.1 mi) depth
    |
    130 km (81 mi) distance
    | USGS | Details
  • 01 Nov 1987 08:12 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    35 km (22 mi) distance
    | USGS | Details
  • 24 Oct 1987 19:43 UTC
    | M 4.5 |
    139.2 km (86.5 mi) depth
    |
    121 km (75 mi) distance
    | USGS | Details
  • 11 Oct 1987 09:00 UTC
    | M 5.1 |
    32.2 km (20 mi) depth
    |
    147 km (91 mi) distance
    | USGS | Details
  • 22 Sep 1987 12:52 UTC
    | M 4.9 |
    142.3 km (88.4 mi) depth
    |
    145 km (90 mi) distance
    | USGS | Details
  • 21 Aug 1987 04:52 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    73 km (45 mi) distance
    | USGS | Details
  • Show all

Map of aftershocks

Significant earthquakes in the same area since 1900

Major mag. 7.1 earthquake - Vanuatu on Saturday, 21 December 1985
 

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