Mag. 4.9 earthquake - Samoa Islands Region on Monday, 28 March 1983 at 09:00 (GMT)
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Light magnitude 4.9 earthquake at 19 km depth
Depth: 19.0 km
Epicenter latitude / longitude: 14.984°S / 173.552°W (Samoa)
Nearest volcano: West Mata (25 km / 16 mi)
Nearby towns and cities:
111 km (69 mi) NNE of Hihifo (Tonga) (pop: 815) --> See nearby quakes!
190 km (118 mi) SSW of Asau (pop: 6,640) --> See nearby quakes!
191 km (119 mi) SW of Vailoa (pop: 769) --> See nearby quakes!
208 km (129 mi) SW of Mulifanua (pop: 4,510) --> See nearby quakes!
211 km (131 mi) SW of Safotu (pop: 1,210) --> See nearby quakes!
217 km (135 mi) SW of Fasito‘outa (pop: 2,100) --> See nearby quakes!
231 km (144 mi) SW of Apia (pop: 40,400) --> See nearby quakes!
244 km (152 mi) WSW of Lufilufi (pop: 1,070) --> See nearby quakes!
313 km (195 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
317 km (197 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: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 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 4.9||19 km||Samoa Islands region||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.