Moderate mag. 5.4 earthquake - Tonga (Samoa) on Wednesday, 26 January 1983 at 18:55 (GMT)

Moderate mag. 5.4 earthquake - Tonga (Samoa) on Wednesday, 26 January 1983 at 18:55 (GMT)

Moderate magnitude 5.4 earthquake at 41 km depth

Date & time: 26 Jan 1983 18:55:56 UTC
Magnitude: 5.4
Depth: 41.0 km
Epicenter latitude / longitude: 15.453°S / 173.477°W (Samoa)
Nearest volcano: Curacoa (28 km / 17 mi)
Nearby towns and cities:
65 km (41 mi) NNE of Hihifo (Tonga) (pop: 815) --> See nearby quakes!
227 km (141 mi) SSW of Vailoa (pop: 769) --> See nearby quakes!
233 km (145 mi) SSW of Asau (pop: 6,640) --> See nearby quakes!
238 km (148 mi) SW of Mulifanua (pop: 4,510) --> See nearby quakes!
246 km (153 mi) SW of Fasito‘outa (pop: 2,100) --> See nearby quakes!
251 km (156 mi) SSW of Safotu (pop: 1,210) --> See nearby quakes!
258 km (160 mi) SW of Apia (pop: 40,400) --> See nearby quakes!
268 km (166 mi) SW of Lufilufi (pop: 1,070) --> See nearby quakes!
321 km (200 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
326 km (202 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 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
M 5.441 kmTonga (Samoa)USGS
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 yet. If you felt it be the first to report it!
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Aftershocks of the 5.4 quake Tonga (Samoa) 26 January 1983 18:55 GMT

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.
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Earlier earthquakes in the same area

Moderate mag. 5.4 earthquake - Tonga (Samoa) on Wednesday, 26 January 1983 at 18:55 (GMT)
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