Mag. 4.6 earthquake - Tonga on Tuesday, 30 October 1984 at 08:47 (GMT)
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Light magnitude 4.6 earthquake at 122 km depth
Depth: 121.7 km
Epicenter latitude / longitude: 15.679°S / 174.275°W (Tonga)
Nearest volcano: Tafu-Maka (35 km / 22 mi)
Nearby towns and cities:
60 km (37 mi) WNW of Hihifo (pop: 815) --> See nearby quakes!
298 km (185 mi) SW of Asau (Samoa) (pop: 6,640) --> See nearby quakes!
317 km (197 mi) SW of Mulifanua (Samoa) (pop: 4,510) --> See nearby quakes!
326 km (202 mi) SW of Fasito‘outa (Samoa) (pop: 2,100) --> See nearby quakes!
332 km (206 mi) N of Neiafu (pop: 4,320) --> See nearby quakes!
336 km (209 mi) SE of Mata-Utu (Hahake, Wallis & Futuna) (pop: 1,200) --> See nearby quakes!
339 km (211 mi) SW of Apia (Samoa) (pop: 40,400) --> See nearby quakes!
410 km (255 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
414 km (257 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
615 km (382 mi) N of Nuku'alofa (pop: 22,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 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 4.6||122 km||Tonga||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.