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Very strong mag. 6.3 earthquake - 27 km northeast of Lamassa Island, New Ireland, Papua New Guinea, on Tuesday, Dec 28, 1954 at 1:00 am (GMT +0)

Very strong mag. 6.3 earthquake - 27 km northeast of Lamassa Island, New Ireland, Papua New Guinea, on Tuesday, Dec 28, 1954 at 1:00 am (GMT +0) Very strong mag. 6.3 earthquake - 27 km northeast of Lamassa Island, New Ireland, Papua New Guinea, on Tuesday, Dec 28, 1954 at 1:00 am (GMT +0)

Very strong magnitude 6.3 earthquake at 35 km depth

Earthquake details

Date & timeDec 28, 1954 01:00:46 UTC
Local time at epicenterTuesday, Dec 28, 1954 at 1:00 am (GMT +0)
Depth35.0 km
Epicenter latitude / longitude4.592°S / 152.986°E (New Ireland, Papua New Guinea)
Antipode4.592°N / 27.014°W
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoAmbitle (93 km / 58 mi)
Nearby towns and cities84 km (52 mi) ESE of Kokopo (East New Britain) (pop: 26,300) | Show on map | Quakes nearby
101 km (63 mi) ESE of Rabaul (East New Britain) (pop: 8,070) | Show on map | Quakes nearby
331 km (206 mi) SE of Kavieng (pop: 14,500) | Show on map | Quakes nearby
333 km (207 mi) ENE of Kimbe (Talasea District, West New Britain) (pop: 18,800) | Show on map | Quakes nearby
337 km (209 mi) NW of Panguna (Bougainville) (pop: 2,920) | Show on map | Quakes nearby
339 km (211 mi) WNW of Arawa (Bougainville) (pop: 40,300) | Show on map | Quakes nearby
384 km (238 mi) NW of Buin (Bougainville) (pop: 750) | Show on map | Quakes nearby
421 km (262 mi) ENE of Kandrian (West New Britain) (pop: 1,010) | Show on map | Quakes nearby
843 km (524 mi) NE of Port Moresby (National Capital) (pop: 283,700) | Show on map | Quakes nearby
Estimated seismic energy released1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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.
6.335 kmNew Britain 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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