Major mag. 7.8 earthquake - New Ireland Region, Papua New Guinea on Sunday, 29 September 1946
1 Jan 00:00 UTC: First to report: USGS after 23 years.
Magnitude: 7.8
Depth: 50.0 km
Epicenter latitude / longitude: 5.158°S / 153.379°E
(Papua New Guinea)Nearest volcano: Ambitle (124 km / 77 mi)
Nearby towns and cities:
146 km (91 mi) W of Buka (pop: 0)
153 km (95 mi) SE of Kokopo (pop: 26,300)
172 km (107 mi) SE of Rabaul (pop: 8,100)
Primary data source: USGS
Estimated released energy: 3.2 x 1016 joules (8784 gigawatt hours, equivalent to 7.6 x 106 tons of TNT or 472.4 atomic bombs!) [learn more]
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.
| Time | Mag. / Depth | Location | Source |
| Thu, 1 Jan 00:00 UTC | M |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (modified Mercalli) scale.
There are no user reports for this quake yet. If you felt it or were nearby when it occurred, be the first to report it!
Aftershocks of the 7.8 quake: New Ireland Region, Papua New Guinea, 29 Sep 1946 03h02
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List of recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Map of aftershocks
Significant earthquakes in the same area since 1900
Major mag. 7.8 earthquake - New Ireland Region, Papua New Guinea on Sunday, 29 September 1946Click here to search our database for earlier earthquakes in the same area since 1900!
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