Strong mag. 6.5 earthquake - Minahasa, Sulawesi, Indonesia, on Tuesday, 25 October 1983 at 00:36 (GMT)

Strong mag. 6.5 earthquake  - Minahasa, Sulawesi, Indonesia, on Tuesday, 25 October 1983 at 00:36 (GMT)

Strong magnitude 6.5 earthquake at 33 km depth

Date & time: 25 Oct 1983 12:36:23 UTC###AGESTRINGCOPY###
Magnitude: 6.5
Profondeur: 33.0 km
Epicenter latitude / longitude: 1.131°N / 120.858°E (Indonésie)
Volcan le plus près: Una Una (167 km / 104 mi)
Nearby towns and cities:
118 km WNW de Naimu
252 km NNE de Palu (Sulawesi Tengah) (pop: 282,400)
254 km WNW de Gorontalo (pop: 144,200)
281 km N de Poso (Sulawesi Tengah) (pop: 47,100)
316 km NW de Luwuk (Kabupaten Banggai, Sulawesi Tengah) (pop: 47,800)
391 km ENE de Bontang (East Kalimantan) (pop: 101,700)
716 km NNE de Makassar (Sulawesi Selatan) (pop: 1,321,700)
1757 km ENE de Jakarta (pop: 8,540,100)
Primary data source: USGS
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) [learn more]
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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.
MagnitudeProfondeurLocationSource
M 6.533 kmMinahasa, Sulawesi, 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 of the 6.5 quake Minahasa, Sulawesi, Indonesia, 25 October 00:36 UTC

More info
Recorded aftershocks, latest first (7 quakes):
  • 26 Dec 1983 18:12 UTC
    | M 5.0 |
    17.4 km (10.8 mi) depth
    |
    32 km (20 mi) distance
    | USGS | Details
  • 11 Dec 1983 07:01 UTC
    | M 4.8 |
    231.9 km (144.1 mi) depth
    |
    76 km (47 mi) distance
    | USGS | Details
  • 23 Nov 1983 18:39 UTC
    | M 5.2 |
    17.2 km (10.7 mi) depth
    |
    14 km (8 mi) distance
    | USGS | Details
  • 14 Nov 1983 21:26 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    51 km (32 mi) distance
    | USGS | Details
  • 13 Nov 1983 15:57 UTC
    | M 4.9 |
    159.2 km (98.9 mi) depth
    |
    41 km (25 mi) distance
    | USGS | Details
  • 13 Nov 1983 13:16 UTC
    | M 5.1 |
    590.8 km (367.1 mi) depth
    |
    88 km (54 mi) distance
    | USGS | Details
  • 27 Oct 1983 19:43 UTC
    | M 6.6 |
    27.7 km (17.2 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Strong mag. 6.6 earthquake - Minahasa, Sulawesi, Indonesia, on Thursday, 27 October 1983 at 19:43 (GMT)

Earlier earthquakes in the same area

Strong mag. 6.5 earthquake - Minahasa, Sulawesi, Indonesia, on Tuesday, 25 October 1983 at 00:36 (GMT)
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