- South Pacific Ocean, 189 km southwest of Apia, Tuamasaga, Samoa, on 2015-08-06 22:17:39 -12:00

 - South Pacific Ocean, 189 km southwest of Apia, Tuamasaga, Samoa, on 2015-08-06 22:17:39 -12:00

Moderate magnitude 4.5 earthquake at 33 km depth

7 Aug 12:10 UTC: First to report: USGS after 1 hour and 52 minutes.
Date & time: 7 Aug 2015 10:17:39 UTC
Local time at epicenter: 2015-08-06 22:17:39 -12:00
Magnitude: 4.5
Depth: 32.7 km
Epicenter latitude / longitude: 15.1749°S / 172.8508°W (South Pacific Ocean, Samoa)
Nearest volcano: West Mata (97 km / 60 mi)
Nearby towns and cities:
168 km (105 mi) SSW of Vailoa (pop: 769) --> See nearby quakes!
173 km (108 mi) SSW of Mulifanua (pop: 4,510) --> See nearby quakes!
181 km (112 mi) SSW of Fasito‘outa (pop: 2,100) --> See nearby quakes!
186 km (115 mi) S of Asau (pop: 6,640) --> See nearby quakes!
189 km (118 mi) SW of Apia (pop: 40,400) --> See nearby quakes!
198 km (123 mi) SSW of Safotu (pop: 1,210) --> See nearby quakes!
198 km (123 mi) SW of Lufilufi (pop: 1,070) --> See nearby quakes!
252 km (156 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
416 km (258 mi) ESE of Mata-Utu (Hahake, Wallis & Futuna) (pop: 1,200) --> See nearby quakes!
532 km (331 mi) NW of Alofi (Niue) (pop: 624) --> See nearby quakes!
183 km (114 mi) SW of Upolu Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 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.
M 4.533 km- 129km NE of Hihifo, TongaUSGS

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, 189 km southwest of Apia, Tuamasaga, Samoa, on 2015-08-06 22:17:39 -12:00
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