Major magnitude 7.0 earthquake - North Pacific Ocean, 71 km south of Coatepec, Guatemala, on Friday, December 2, 1983 at 03:09 (GMT)

Major magnitude 7.0 earthquake - North Pacific Ocean, 71 km south of Coatepec, Guatemala, on Friday, December 2, 1983 at 03:09 (GMT)

Major magnitude 7.0 earthquake at 67 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Dec 2, 1983 03:09:05 UTC
Magnitude: 7
Depth: 67.1 km
Epicenter latitude / longitude: 14.066°N / 91.924°W (North Pacific Ocean, Guatemala)
Antipode: 14.066°S / 88.076°E
Nearest volcano: Santo Tomas (86 km / 53 mi)
Nearby towns and cities:
25 km (16 mi) S of Champerico (pop: 7,760) --> See nearby quakes!
64 km (40 mi) SSW of Nuevo San Carlos (pop: 19,200) --> See nearby quakes!
65 km (41 mi) WSW of Tiquisate (pop: 18,200) --> See nearby quakes!
71 km (44 mi) S of Coatepec (pop: 45,700) --> See nearby quakes!
74 km (46 mi) SSW of Colomba (pop: 19,100) --> See nearby quakes!
77 km (48 mi) SW of San Pablo Jocopilas (pop: 20,300) --> See nearby quakes!
96 km (60 mi) SSW of Quetzaltenango (pop: 132,200) --> See nearby quakes!
98 km (61 mi) SW of Santiago Atitlan (Santiago Atitlán) (pop: 33,300) --> See nearby quakes!
155 km (96 mi) WSW of Mixco (pop: 473,100) --> See nearby quakes!
165 km (102 mi) WSW of Guatemala City (pop: 994,900) --> 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
7.067 kmoffshore GuatemalaUSGS
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 (8 quakes)

  • 27 Nov 1985 15:08 UTC
    | M 5.6 |
    74.4 km (46.2 mi) depth
    |
    108 km (67 mi) distance
    | USGS | Details
  • 15 Feb 1985 00:32 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    103 km (64 mi) distance
    | USGS | Details
  • 03 Aug 1984 14:30 UTC
    | M 5.9 |
    36.2 km (22.5 mi) depth
    |
    48 km (30 mi) distance
    | USGS | Details
  • 18 Feb 1984 02:39 UTC
    | M 5.0 |
    75.8 km (47.1 mi) depth
    |
    106 km (66 mi) distance
    | USGS | Details
  • 13 Dec 1983 06:37 UTC
    | M 5.5 |
    39.2 km (24.4 mi) depth
    |
    114 km (71 mi) distance
    | USGS | Details
  • 11 Dec 1983 06:19 UTC
    | M 5.2 |
    76.2 km (47.3 mi) depth
    |
    2 km (1 mi) distance
    | USGS | Details
  • 10 Dec 1983 20:22 UTC
    | M 5.4 |
    79.5 km (49.4 mi) depth
    |
    38 km (23 mi) distance
    | USGS | Details
  • 02 Dec 1983 11:55 UTC
    | M 5.2 |
    59.4 km (36.9 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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