Major magnitude 7.0 earthquake - 18 km southwest of Mamuju, West Sulawesi, Indonesia, on Sunday, January 8, 1984 at 15:24 (GMT)

Major magnitude 7.0 earthquake - 18 km southwest of Mamuju, West Sulawesi, Indonesia, on Sunday, January 8, 1984 at 15:24 (GMT)

Major magnitude 7.0 earthquake at 33 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Jan 8, 1984 15:24:13 UTC
Magnitude: 7
Depth: 33.0 km
Epicenter latitude / longitude: 2.823°S / 118.806°E (West Sulawesi, Indonesia)
Antipode: 2.823°N / 61.194°W
Nearby towns and cities:
18 km (11 mi) SSW of Mamuju (pop: 15,000) --> See nearby quakes!
82 km (51 mi) NNW of Majene (pop: 37,700) --> See nearby quakes!
90 km (56 mi) NW of Polewali (pop: 58,200) --> See nearby quakes!
122 km (76 mi) W of Rantepao (South Sulawesi) (pop: 40,400) --> See nearby quakes!
156 km (97 mi) W of Palopo (South Sulawesi) (pop: 129,300) --> See nearby quakes!
161 km (100 mi) NW of Parepare (South Sulawesi) (pop: 140,000) --> See nearby quakes!
199 km (124 mi) NW of Sengkang (South Sulawesi) (pop: 59,500) --> See nearby quakes!
244 km (151 mi) SSW of Palu (Central Sulawesi) (pop: 282,400) --> See nearby quakes!
268 km (166 mi) NNW of Macassar (South Sulawesi) (pop: 1,321,700) --> See nearby quakes!
276 km (171 mi) SE of City of Balikpapan (East Kalimantan) (pop: 700,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1015 joules (554 gigawatt hours, equivalent to 4.8 x 105 tons of TNT or 29.8 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.
Mag.DepthLocationSource
7.033 kmSulawesi, IndonesiaUSGS
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

More info

Recorded aftershocks, latest first (19 quakes)

  • 15 Nov 1985 20:15 UTC
    | M 5.0 |
    59.9 km (37.2 mi) depth
    |
    90 km (56 mi) distance
    | USGS | Details
  • 12 Mar 1985 06:22 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    130 km (81 mi) distance
    | USGS | Details
  • 12 Mar 1985 06:12 UTC
    | M 5.2 |
    47.8 km (29.7 mi) depth
    |
    120 km (74 mi) distance
    | USGS | Details
  • 06 Mar 1985 01:06 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    126 km (78 mi) distance
    | USGS | Details
  • 05 Mar 1985 05:28 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    120 km (74 mi) distance
    | USGS | Details
  • 02 Mar 1985 11:51 UTC
    | M 5.1 |
    46.9 km (29.1 mi) depth
    |
    114 km (71 mi) distance
    | USGS | Details
  • 02 Mar 1985 00:08 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    122 km (76 mi) distance
    | USGS | Details
  • 01 Mar 1985 22:22 UTC
    | M 5.9 |
    33 km (20.5 mi) depth
    |
    109 km (68 mi) distance
    | USGS | Details
  • 01 Mar 1985 22:01 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    79 km (49 mi) distance
    | USGS | Details
  • 01 Mar 1985 18:40 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    |
    133 km (83 mi) distance
    | USGS | Details
  • 01 Mar 1985 17:11 UTC
    | M 6.4 |
    17.1 km (10.6 mi) depth
    |
    127 km (79 mi) distance
    | USGS | Very strong mag. 6.4 earthquake - 102 km north of Rantepao, South Sulawesi, Indonesia, on Friday, March 1, 1985 at 17:11 (GMT)
  • 01 Mar 1985 12:52 UTC
    | M 5.6 |
    33 km (20.5 mi) depth
    |
    120 km (74 mi) distance
    | USGS | Details
  • 24 Feb 1985 13:07 UTC
    | M 5.2 |
    42.5 km (26.4 mi) depth
    |
    117 km (73 mi) distance
    | USGS | Details
  • 24 Feb 1985 04:09 UTC
    | M 5.0 |
    42.7 km (26.5 mi) depth
    |
    119 km (74 mi) distance
    | USGS | Details
  • 24 Feb 1985 02:40 UTC
    | M 5.2 |
    55.9 km (34.7 mi) depth
    |
    128 km (80 mi) distance
    | USGS | Details
  • 23 Feb 1985 23:10 UTC
    | M 5.1 |
    49.4 km (30.7 mi) depth
    |
    126 km (78 mi) distance
    | USGS | Details
  • 28 Jan 1985 23:17 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    103 km (64 mi) distance
    | USGS | Details
  • 17 Nov 1984 02:36 UTC
    | M 5.0 |
    23.1 km (14.4 mi) depth
    |
    106 km (66 mi) distance
    | USGS | Details
  • 25 Jun 1984 05:12 UTC
    | M 5.2 |
    38.2 km (23.7 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details

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