Mag. 3.6 earthquake - Tonga (Samoa) on Sunday, 23 October 1983 at 13:07 (GMT)
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Minor magnitude 3.6 earthquake at 33 km depth
Depth: 33.0 km
Epicenter latitude / longitude: 15.952°S / 173.269°W (Samoa)
Nearest volcano: Tafahi (50 km / 31 mi)
Nearby towns and cities:
56 km (35 mi) E of Hihifo (Tonga) (pop: 815) --> See nearby quakes!
265 km (165 mi) SSW of Vailoa (pop: 769) --> See nearby quakes!
271 km (168 mi) SSW of Mulifanua (pop: 4,510) --> See nearby quakes!
278 km (172 mi) SSW of Fasito‘outa (pop: 2,100) --> See nearby quakes!
279 km (173 mi) SSW of Asau (pop: 6,640) --> See nearby quakes!
286 km (178 mi) SW of Apia (pop: 40,400) --> See nearby quakes!
293 km (182 mi) SW of Lufilufi (pop: 1,070) --> See nearby quakes!
293 km (182 mi) SSW of Safotu (pop: 1,210) --> See nearby quakes!
327 km (203 mi) SW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
333 km (207 mi) SW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 1010 joules (4.4 megawatt hours, equivalent to 3.79 tons of TNT) More info
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.
|M 3.6||33 km||Tonga (Samoa)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.