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Very strong mag. 6.5 earthquake - 65 km south of Arawa, Bougainville, Papua New Guinea, on Monday, February 6, 1961 at 21:45 GMT

Very strong mag. 6.5 earthquake - 65 km south of Arawa, Bougainville, Papua New Guinea, on Monday, February 6, 1961 at 21:45 GMT Very strong mag. 6.5 earthquake - 65 km south of Arawa, Bougainville, Papua New Guinea, on Monday, February 6, 1961 at 21:45 GMT

Very strong magnitude 6.5 earthquake at 45 km depth

Earthquake details

Date & timeFeb 6, 1961 21:45:15 UTC
Local time at epicenter
Depth45.0 km
Epicenter latitude / longitude6.804°S / 155.455°E (Bougainville, Papua New Guinea)
Antipode6.804°N / 24.545°W
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoLoloru (36 km / 22 mi)
Nearby towns and cities27 km (17 mi) WSW of Buin (pop: 750) | Show on map | Quakes nearby
54 km (34 mi) S of Panguna (pop: 2,920) | Show on map | Quakes nearby
65 km (40 mi) S of Arawa (pop: 40,300) | Show on map | Quakes nearby
210 km (131 mi) NW of Gizo (New Georgia Group, Western Province, Solomon Islands) (pop: 6,150) | Show on map | Quakes nearby
446 km (277 mi) SE of Kokopo (East New Britain) (pop: 26,300) | Show on map | Quakes nearby
465 km (289 mi) SE of Rabaul (East New Britain) (pop: 8,070) | Show on map | Quakes nearby
961 km (597 mi) ENE of Port Moresby (National Capital) (pop: 283,700) | Show on map | Quakes nearby
Estimated seismic energy released3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) | about seismic energy
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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.
6.545 kmBougainville region, 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.
There are no user reports for this quake.


[More info]

Recorded aftershocks, latest first (0 quake)

So far, no aftershocks have been registered.

Earlier earthquakes in the same area

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