Mag. 4.7 earthquake - Tonga on Sunday, 23 December 2001 at 15:42 (GMT)
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Light magnitude 4.7 earthquake at 33 km depth
Depth: 33.0 km
Epicenter latitude / longitude: 15.832°S / 173.92°W (Tonga)
Nearest volcano: Tafahi (21 km / 13 mi)
Nearby towns and cities:
19 km (12 mi) NW of Hihifo (pop: 815) --> See nearby quakes!
292 km (181 mi) SSW of Asau (Samoa) (pop: 6,640) --> See nearby quakes!
301 km (187 mi) SW of Mulifanua (Samoa) (pop: 4,510) --> See nearby quakes!
309 km (192 mi) SW of Fasito‘outa (Samoa) (pop: 2,100) --> See nearby quakes!
311 km (193 mi) SSW of Safotu (Samoa) (pop: 1,210) --> See nearby quakes!
314 km (195 mi) N of Neiafu (pop: 4,320) --> See nearby quakes!
321 km (199 mi) SW of Apia (Samoa) (pop: 40,400) --> See nearby quakes!
382 km (237 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
386 km (240 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
606 km (376 mi) NNE of Nuku'alofa (pop: 22,400) --> 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
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 4.7||33 km||Tonga||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.