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.
MagnitudeDepthLocationSource
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

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Aftershocks

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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