Moderate mag. 5.2 earthquake - South Pacific Ocean, 51 km east of Hihifo, Niuas, Tonga, on Sunday, 18 October 2015 at 16:23 (GMT)

This quake was likely an aftershock of the 6.0 quake South Pacific Ocean, 45 km southeast of Hihifo, Niuas, Tonga, 18 October 2015 16:18 GMT, which had occurred 5 minutes earlier.
Moderate mag. 5.2 earthquake  - South Pacific Ocean, 51 km east of Hihifo, Niuas, Tonga, on Sunday, 18 October 2015 at 16:23 (GMT)

Moderate magnitude 5.2 earthquake at 10 km depth

18 Oct 17:16 UTC: First to report: EMSC after 52 minutes.
Oct 18 21:12: Magnitude recalculated from 5.1 to 5.2.
Date & time: 18 Oct 2015 16:23:37 UTC
Magnitude: 5.2
Depth: 10.0 km
Epicenter latitude / longitude: 16.11°S / 173.35°W (South Pacific Ocean, Tonga)
Nearest volcano: Tafahi (58 km / 36 mi)
Nearby towns and cities:
51 km (32 mi) ESE of Hihifo (pop: 815) --> See nearby quakes!
290 km (180 mi) SSW of Mulifanua (Samoa) (pop: 4,510) --> See nearby quakes!
290 km (180 mi) NNE of Neiafu (pop: 4,320) --> See nearby quakes!
297 km (185 mi) SSW of Fasito‘outa (Samoa) (pop: 2,100) --> See nearby quakes!
298 km (185 mi) SSW of Asau (Samoa) (pop: 6,640) --> See nearby quakes!
305 km (190 mi) SSW of Apia (Samoa) (pop: 40,400) --> See nearby quakes!
344 km (214 mi) SW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
350 km (217 mi) SW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
426 km (264 mi) NNE of Pangai (pop: 1,740) --> See nearby quakes!
592 km (368 mi) NNE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
251 km (156 mi) ESE of Niuafo‘ou Island --> See nearby quakes!
298 km (185 mi) SW of Upolu Island --> See nearby quakes!
435 km (270 mi) SE of Îlot Fungalei Island --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 4 x 1012 joules (1.11 gigawatt hours, equivalent to 951 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 5.210 km TONGAEMSC
M 5.110 km- 53km ESE of Hihifo, TongaUSGS
M 5.3 kmSamoa Islands RegionGeoAu

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

Moderate mag. 5.2 earthquake - South Pacific Ocean, 51 km east of Hihifo, Niuas, Tonga, on Sunday, 18 October 2015 at 16:23 (GMT)
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