Moderate mag. 5.0 earthquake - South Pacific Ocean, 409 km north of Nuku\'alofa, Tongatapu, on Monday, 28 February 2011 at 02:03 (GMT)
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Moderate magnitude 5.0 earthquake at 13 km depth
Depth: 13.1 km
Epicenter latitude / longitude: 17.703°S / 173.807°W (South Pacific Ocean, Tonga)
Nearest volcano: Fonualei (65 km / 40 mi)
Nearby towns and cities:
107 km (67 mi) N of Neiafu (pop: 4,320) --> See nearby quakes!
194 km (121 mi) S of Hihifo (pop: 815) --> See nearby quakes!
242 km (150 mi) NNE of Pangai (pop: 1,740) --> See nearby quakes!
404 km (251 mi) NNE of Kolonga (pop: 1,100) --> See nearby quakes!
409 km (254 mi) NNE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
409 km (254 mi) NNE of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
499 km (310 mi) SW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
505 km (314 mi) SW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 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 5.0||13 km||Tonga||USGS|
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Aftershocks of the 5.0 quake South Pacific Ocean, 409 km north of Nuku'alofa, Tongatapu, 28 February 2011 02:03 GMT
More infoRecorded aftershocks, latest first (1 quakes):
- 13 Apr 2011 15:27 UTC| M 4.3 |32.7 km (20.3 mi) depth|9 km (6 mi) distance| USGS | Details