Mag. 4.9 earthquake - Tonga on Wednesday, 26 October 1983 at 02:44 (GMT)
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Light magnitude 4.9 earthquake at 277 km depth
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
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 4.9||277 km||Tonga||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.