Mag. 4.4 earthquake - Tonga on Thursday, 11 May 1978 at 17:53 (GMT)
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Light magnitude 4.4 earthquake at 333 km depth
Depth: 333.0 km
Epicenter latitude / longitude: 15.112°S / 173.999°W (Tonga)
Nearest volcano: West Mata (27 km / 17 mi)
Nearby towns and cities:
96 km (60 mi) NNW of Hihifo (pop: 815) --> See nearby quakes!
230 km (143 mi) SW of Asau (Samoa) (pop: 6,640) --> See nearby quakes!
252 km (157 mi) SW of Safotu (Samoa) (pop: 1,210) --> See nearby quakes!
255 km (158 mi) SW of Mulifanua (Samoa) (pop: 4,510) --> See nearby quakes!
265 km (164 mi) SW of Fasito‘outa (Samoa) (pop: 2,100) --> See nearby quakes!
279 km (174 mi) WSW of Apia (Samoa) (pop: 40,400) --> See nearby quakes!
363 km (226 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
367 km (228 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
394 km (245 mi) N of Neiafu (pop: 4,320) --> See nearby quakes!
682 km (424 mi) N 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||333 km||Tonga||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.