- South Pacific Ocean, 189 km southwest of Apia, Tuamasaga, Samoa, on 2015-08-06 22:17:39 -12:00
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Moderate magnitude 4.5 earthquake at 33 km depth
7 Aug 12:10 UTC: First to report: USGS after 1 hour and 52 minutes.
Local time at epicenter: 2015-08-06 22:17:39 -12:00
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
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 4.5||33 km||- 129km NE of Hihifo, Tonga||USGS|
|M 4.5||33 km||SAMOA ISLANDS REGION||EMSC|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.