- Tonga on Sunday, 23 July 2000 at 21:43 (GMT)
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Light magnitude 4.4 earthquake at 33 km depth
Depth: 33.0 km
Epicenter latitude / longitude: 16.881°S / 173.866°W (Tonga)
Nearest volcano: Tafahi (116 km / 72 mi)
Nearby towns and cities:
103 km (64 mi) S of Hihifo (pop: 815) --> See nearby quakes!
197 km (123 mi) N of Neiafu (pop: 4,320) --> See nearby quakes!
330 km (205 mi) N of Pangai (pop: 1,740) --> See nearby quakes!
407 km (253 mi) SSW of Apia (Samoa) (pop: 40,400) --> See nearby quakes!
446 km (277 mi) SW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
471 km (293 mi) SSE of Mata-Utu (Hahake, Wallis & Futuna) (pop: 1,200) --> See nearby quakes!
483 km (300 mi) WNW of Alofi (Niue) (pop: 624) --> See nearby quakes!
490 km (304 mi) NNE of Kolonga (pop: 1,100) --> See nearby quakes!
494 km (307 mi) NNE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
494 km (307 mi) NNE of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1011 joules (69.8 megawatt hours, equivalent to 60 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 4.4||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.