Mag. 4.7 earthquake - Tonga on Sunday, 24 July 1983 at 17:50 (GMT)

Mag. 4.7 earthquake - Tonga on Sunday, 24 July 1983 at 17:50 (GMT)

Light magnitude 4.7 earthquake at 249 km depth

Date & time: 24 Jul 1983 17:50:03 UTC
Magnitude: 4.7
Depth: 249.1 km
Epicenter latitude / longitude: 19.475°S / 175.766°W (Tonga)
Nearest volcano: Tofua (79 km / 49 mi)
Nearby towns and cities:
153 km (95 mi) WNW of Pangai (pop: 1,740) --> See nearby quakes!
194 km (121 mi) NNW of Nuku'alofa (pop: 22,400) --> See nearby quakes!
194 km (121 mi) NNW of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
198 km (123 mi) NNW of Kolonga (pop: 1,100) --> See nearby quakes!
209 km (130 mi) WSW of Neiafu (pop: 4,320) --> See nearby quakes!
224 km (139 mi) NNW of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
444 km (276 mi) SSW of Hihifo (pop: 815) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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 4.7249 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. 4.7 earthquake - Tonga on Sunday, 24 July 1983 at 17:50 (GMT)
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