Mag. 4.5 earthquake - Tonga on Friday, 28 December 2001 at 23:55 (GMT)
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Light magnitude 4.5 earthquake at 105 km depth
Depth: 105.3 km
Epicenter latitude / longitude: 16.231°S / 173.821°W (Tonga)
Nearest volcano: Tafahi (44 km / 27 mi)
Nearby towns and cities:
31 km (19 mi) S of Hihifo (pop: 815) --> See nearby quakes!
270 km (168 mi) N of Neiafu (pop: 4,320) --> See nearby quakes!
327 km (203 mi) SSW of Asau (Samoa) (pop: 6,640) --> See nearby quakes!
346 km (215 mi) SW of Apia (Samoa) (pop: 40,400) --> See nearby quakes!
394 km (245 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
399 km (248 mi) SW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
403 km (250 mi) N of Pangai (pop: 1,740) --> See nearby quakes!
414 km (257 mi) SE of Mata-Utu (Hahake, Wallis & Futuna) (pop: 1,200) --> See nearby quakes!
519 km (323 mi) NW of Alofi (Niue) (pop: 624) --> See nearby quakes!
565 km (351 mi) NNE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 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 4.5||105 km||Tonga||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.