Mag. 4.8 earthquake - South Pacific Ocean, 43 km east of Hihifo, Niuas, Tonga, on 2015-07-27 17:57:43 -12:00
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Light magnitude 4.8 earthquake at 31 km depth
28 Jul 07:10 UTC: First to report: USGS after 1 hour and 12 minutes.
Local time at epicenter: 2015-07-27 17:57:43 -12:00
Depth: 30.5 km
Epicenter latitude / longitude: 15.873°S / 173.4046°W (South Pacific Ocean, Tonga)
Nearest volcano: Tafahi (34 km / 21 mi)
Nearby towns and cities:
43 km (27 mi) ENE of Hihifo (pop: 815) --> See nearby quakes!
271 km (168 mi) SSW of Mulifanua (Samoa) (pop: 4,510) --> See nearby quakes!
274 km (171 mi) SSW of Asau (Samoa) (pop: 6,640) --> See nearby quakes!
278 km (173 mi) SW of Fasito‘outa (Samoa) (pop: 2,100) --> See nearby quakes!
287 km (178 mi) SW of Apia (Samoa) (pop: 40,400) --> See nearby quakes!
290 km (180 mi) SSW of Safotu (Samoa) (pop: 1,210) --> See nearby quakes!
315 km (196 mi) N of Neiafu (pop: 4,320) --> See nearby quakes!
335 km (208 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
340 km (211 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
616 km (383 mi) NNE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
241 km (150 mi) E of Niuafo‘ou Island --> See nearby quakes!
281 km (175 mi) SW of Upolu Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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 4.8||31 km||- 37km ENE of Hihifo, Tonga||USGS|
|M 4.9||30 km||TONGA||EMSC|
|M 5.2||74 km||Tonga Islands||GeoAu|
|M 4.8||11 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.