Strong mag. 6.5 earthquake - 102 km south of Wewak, East Sepik Province, Papua New Guinea, on Wednesday, 16 July 1980 at 19:56 (GMT)

Strong mag. 6.5 earthquake - 102 km south of Wewak, East Sepik Province, Papua New Guinea, on Wednesday, 16 July 1980 at 19:56 (GMT)

Strong magnitude 6.5 earthquake at 84 km depth

Date & time: 16 Jul 1980 19:56:46 UTC
Magnitude: 6.5
Depth: 84.0 km
Epicenter latitude / longitude: 4.456°S / 143.521°E (East Sepik Province, Papua New Guinea)
Nearest volcano: Kairinu (141 km / 88 mi)
Nearby towns and cities:
82 km (51 mi) ESE of Ambunti (East Sepik) (pop: 2,070) --> See nearby quakes!
102 km (63 mi) S of Wewak (East Sepik) (pop: 18,200) --> See nearby quakes!
117 km (73 mi) N of Wabag (Enga) (pop: 3,960) --> See nearby quakes!
175 km (108 mi) NNW of Mt Hagen (Dei District, Western Highlands) (pop: 33,600) --> See nearby quakes!
189 km (117 mi) N of Mendi (Southern Highlands) (pop: 26,300) --> See nearby quakes!
265 km (165 mi) WNW of Madang (pop: 27,400) --> See nearby quakes!
275 km (171 mi) NW of Goroka (Eastern Highlands) (pop: 18,500) --> See nearby quakes!
378 km (235 mi) SE of Jayapura (Papua, Indonesia) (pop: 134,900) --> See nearby quakes!
460 km (286 mi) WNW of Lae (Morobe) (pop: 76,300) --> See nearby quakes!
687 km (427 mi) NW of Port Moresby (National Capital) (pop: 283,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 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.
6.584 kmNew Guinea, Papua New GuineaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

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More info
Recorded aftershocks, latest first (1 quakes):
  • 30 Aug 1980 13:14 UTC
    | M 4.8 |
    104 km (64.6 mi) depth
    107 km (67 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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