Mag. 4.9 earthquake - Tonga on Wednesday, 26 October 1983 at 02:44 (GMT)

Mag. 4.9 earthquake - Tonga on Wednesday, 26 October 1983 at 02:44 (GMT)

Light magnitude 4.9 earthquake at 277 km depth

Date & time: 26 Oct 1983 02:44:28 UTC
Magnitude: 4.9
Depth: 277.1 km
Epicenter latitude / longitude: 18.928°S / 175.213°W (Tonga)
Nearest volcano: Metis Shoal (46 km / 29 mi)
Nearby towns and cities:
133 km (83 mi) WSW of Neiafu (pop: 4,320) --> See nearby quakes!
134 km (83 mi) NW of Pangai (pop: 1,740) --> See nearby quakes!
246 km (153 mi) N of Kolonga (pop: 1,100) --> See nearby quakes!
246 km (153 mi) N of Nuku'alofa (pop: 22,400) --> See nearby quakes!
246 km (153 mi) N of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
269 km (167 mi) N of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
363 km (226 mi) SSW of Hihifo (pop: 815) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 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 4.9277 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. 4.9 earthquake - Tonga on Wednesday, 26 October 1983 at 02:44 (GMT)
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