- South Pacific Ocean, 247 km southwest of Apia, Tuamasaga, Samoa, on Tuesday, 1 December 2015 at 12:25 (GMT)
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Moderate magnitude 4.9 earthquake at 35 km depth
1 Dec 12:45 UTC: First to report: EMSC after 20 minutes.
Depth: 35.0 km
Epicenter latitude / longitude: 15.32°S / 173.47°W (South Pacific Ocean, Samoa)
Nearest volcano: West Mata (97 km / 60 mi)
Nearby towns and cities:
79 km (49 mi) NNE of Hihifo (Tonga) (pop: 815) --> See nearby quakes!
214 km (133 mi) SW of Vailoa (pop: 769) --> See nearby quakes!
219 km (136 mi) SSW of Asau (pop: 6,640) --> See nearby quakes!
226 km (141 mi) SW of Mulifanua (pop: 4,510) --> See nearby quakes!
235 km (146 mi) SW of Fasito‘outa (pop: 2,100) --> See nearby quakes!
238 km (148 mi) SSW of Safotu (pop: 1,210) --> See nearby quakes!
247 km (153 mi) SW of Apia (pop: 40,400) --> See nearby quakes!
258 km (160 mi) SW of Lufilufi (pop: 1,070) --> See nearby quakes!
319 km (198 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
369 km (229 mi) SE of Mata-Utu (Hahake, Wallis & Futuna) (pop: 1,200) --> See nearby quakes!
242 km (150 mi) SW of Upolu Island --> See nearby quakes!
234 km (146 mi) E of Niuafo‘ou Island --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
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||35 km||TONGA||EMSC|
|M 4.9||35 km||- 129km SSW of Gataivai, Samoa||USGS|
|M 4.9||109 km||Samoa Islands Region||GeoAu|
|M 5.0||10 km||Tonga Islands||GFZ|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.