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Major magnitude 7.8 earthquake - Solomon Islands on Monday, January 30, 1939 at 02:18 GMT

Major magnitude 7.8 earthquake - Solomon Islands on Monday, January 30, 1939 at 02:18 GMT Major magnitude 7.8 earthquake - Solomon Islands on Monday, January 30, 1939 at 02:18 GMT

Major magnitude 7.8 earthquake at 35 km depth

Earthquake details

Date & timeJan 30, 1939 02:18:30 UTC
Local time at epicenter
Depth35.0 km
Epicenter latitude / longitude7.042°S / 155.468°E (Solomon Sea, Solomon Islands)
Antipode7.042°N / 24.532°W
Shaking intensityVery strong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoLoloru (60 km / 37 mi)
Nearby towns and cities41 km (25 mi) SW of Buin (Papua New Guinea) (pop: 750) | Show on map | Quakes nearby
81 km (50 mi) S of Panguna (Papua New Guinea) (pop: 2,920) | Show on map | Quakes nearby
91 km (57 mi) S of Arawa (Papua New Guinea) (pop: 40,300) | Show on map | Quakes nearby
192 km (119 mi) NW of Gizo (New Georgia Group) (pop: 6,150) | Show on map | Quakes nearby
464 km (288 mi) SE of Kokopo (Papua New Guinea) (pop: 26,300) | Show on map | Quakes nearby
483 km (300 mi) SE of Rabaul (Papua New Guinea) (pop: 8,070) | Show on map | Quakes nearby
Estimated seismic energy released3.2 x 1016 joules (8784 gigawatt hours, equivalent to 7.6 x 106 tons of TNT or 472.4 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.
7.835 kmSolomon IslandsUSGS
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 (2 quakes)

Date and timeMag
Sep 12, 1940 13:17
82 years ago

76 km
Latangai Island, New Ireland, 79 km E of Kokopo, Papua New GuineaMore
Mar 8, 1939 21:58
84 years ago

35 km
70 km SW of Arawa, Bougainville, Papua New GuineaMore

Earlier earthquakes in the same area

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