Mag. 4.9 earthquake - Tonga on Wednesday, 24 December 1980 at 07:33 (GMT)
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Tonga | Ha‘apai | Tongatapu | ʻEua | Vava‘u
Light magnitude 4.9 earthquake at 254 km depth
Depth: 254.0 km
Epicenter latitude / longitude: 19.739°S / 175.39°W (Tonga)
Nearest volcano: Tofua (34 km / 21 mi)
Nearby towns and cities:
109 km (68 mi) W of Pangai (pop: 1,740) --> See nearby quakes!
157 km (98 mi) N of Nuku'alofa (pop: 22,400) --> See nearby quakes!
157 km (98 mi) N of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
159 km (99 mi) NNW of Kolonga (pop: 1,100) --> See nearby quakes!
183 km (114 mi) NNW of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
191 km (119 mi) SW of Neiafu (pop: 4,320) --> 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||254 km||Tonga||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.