Mag. 4.3 earthquake - Tonga on Monday, 27 June 1983 at 02:16 (GMT)

Mag. 4.3 earthquake - Tonga on Monday, 27 June 1983 at 02:16 (GMT)

Light magnitude 4.3 earthquake at 196 km depth

Date & time: 27 Jun 1983 02:16:17 UTC
Magnitude: 4.3
Depth: 195.6 km
Epicenter latitude / longitude: 15.554°S / 173.89°W (Tonga)
Nearest volcano: Curacoa (25 km / 16 mi)
Nearby towns and cities:
46 km (28 mi) NNW of Hihifo (pop: 815) --> See nearby quakes!
263 km (164 mi) SSW of Asau (Samoa) (pop: 6,640) --> See nearby quakes!
277 km (172 mi) SW of Mulifanua (Samoa) (pop: 4,510) --> See nearby quakes!
284 km (176 mi) SW of Safotu (Samoa) (pop: 1,210) --> See nearby quakes!
286 km (177 mi) SW of Fasito‘outa (Samoa) (pop: 2,100) --> See nearby quakes!
298 km (185 mi) SW of Apia (Samoa) (pop: 40,400) --> See nearby quakes!
345 km (214 mi) N of Neiafu (pop: 4,320) --> See nearby quakes!
367 km (228 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
371 km (230 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
636 km (395 mi) NNE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 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 4.3196 kmTongaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

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

Mag. 4.3 earthquake - Tonga on Monday, 27 June 1983 at 02:16 (GMT)
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