- South Pacific Ocean, 247 km southwest of Apia, Tuamasaga, Samoa, on Tuesday, 1 December 2015 at 12:25 (GMT)

- South Pacific Ocean, 247 km southwest of Apia, Tuamasaga, Samoa, on Tuesday, 1 December 2015 at 12:25 (GMT)

Moderate magnitude 4.9 earthquake at 35 km depth

1 Dec 12:45 UTC: First to report: EMSC after 20 minutes.
Date & time: 1 Dec 2015 12:25:06 UTC
Magnitude: 4.9
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
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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 4.935 km TONGAEMSC
M 4.935 km- 129km SSW of Gataivai, SamoaUSGS
M 4.9109 kmSamoa Islands RegionGeoAu
M 5.010 kmTonga IslandsGFZ

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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Earlier earthquakes in the same area

- South Pacific Ocean, 247 km southwest of Apia, Tuamasaga, Samoa, on Tuesday, 1 December 2015 at 12:25 (GMT)
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