Strong mag. 5.7 earthquake - North Pacific Ocean, 57 km northwest of Tumaco, Narino, Colombia, on Friday, 2 January 1981 at 07:37 (GMT)

Strong mag. 5.7 earthquake - North Pacific Ocean, 57 km northwest of Tumaco, Narino, Colombia, on Friday, 2 January 1981 at 07:37 (GMT)

Strong magnitude 5.7 earthquake at 33 km depth

Date & time: 2 Jan 1981 07:37:01 UTC
Magnitude: 5.7
Depth: 33.0 km
Epicenter latitude / longitude: 2.137°N / 79.168°W (North Pacific Ocean, Colombia)
Nearest volcano: Cumbal (196 km / 122 mi)
Nearby towns and cities:
50 km (31 mi) W of Francisco Pizarro (pop: 6,110) --> See nearby quakes!
57 km (35 mi) NW of Tumaco (pop: 86,700) --> See nearby quakes!
124 km (77 mi) WSW of El Charco (pop: 28,700) --> See nearby quakes!
142 km (88 mi) NNE of Esmeraldas (Ecuador) (pop: 165,200) --> See nearby quakes!
234 km (145 mi) WNW of Pasto (pop: 382,200) --> See nearby quakes!
273 km (170 mi) NNW of San Francisco de Quito (Ecuador) (pop: 1,399,800) --> See nearby quakes!
286 km (178 mi) W of Popayan (pop: 258,700) --> See nearby quakes!
328 km (204 mi) WSW of Santiago de Cali (pop: 2,392,900) --> See nearby quakes!
423 km (263 mi) NNW of Puyo (Pastaza, Ecuador) (pop: 24,900) --> See nearby quakes!
628 km (390 mi) WSW of Santafe de Bogota (pop: 7,674,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.2 x 1013 joules (6.22 gigawatt hours, equivalent to 5351 tons of TNT or 0.3 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.
M 5.733 kmsouth of Panama (Colombia)USGS
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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More info
Recorded aftershocks, latest first (5 quakes):
  • 10 Jan 1981 00:05 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    3 km (2 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    8806 km (5472 mi) distance
    | | Details
  • 07 Jan 1981 09:05 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    13 km (8 mi) distance
    | USGS | Details
  • 07 Jan 1981 07:01 UTC
    | M 5.6 |
    25 km (15.5 mi) depth
    20 km (12 mi) distance
    | USGS | Details
  • 03 Jan 1981 01:23 UTC
    | M 5.7 |
    33 km (20.5 mi) depth
    7 km (5 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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