Mag. 4.4 earthquake - Tonga (Samoa) on Tuesday, 25 April 1978 at 17:01 (GMT)

Mag. 4.4 earthquake - Tonga (Samoa) on Tuesday, 25 April 1978 at 17:01 (GMT)

Light magnitude 4.4 earthquake at 166 km depth

Date & time: 25 Apr 1978 17:01:17 UTC
Magnitude: 4.4
Depth: 166.0 km
Epicenter latitude / longitude: 15.429°S / 173.155°W (Samoa)
Nearest volcano: Curacoa (59 km / 37 mi)
Nearby towns and cities:
90 km (56 mi) NE of Hihifo (Tonga) (pop: 815) --> See nearby quakes!
207 km (129 mi) SSW of Vailoa (pop: 769) --> See nearby quakes!
215 km (133 mi) SSW of Mulifanua (pop: 4,510) --> See nearby quakes!
220 km (136 mi) SSW of Asau (pop: 6,640) --> See nearby quakes!
222 km (138 mi) SW of Fasito‘outa (pop: 2,100) --> See nearby quakes!
232 km (144 mi) SW of Apia (pop: 40,400) --> See nearby quakes!
234 km (146 mi) SSW of Safotu (pop: 1,210) --> See nearby quakes!
241 km (150 mi) SW of Lufilufi (pop: 1,070) --> See nearby quakes!
289 km (179 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
293 km (182 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> 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
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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.
MagnitudeDepthLocationSource
M 4.4166 kmTonga (Samoa)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Earlier earthquakes in the same area

Mag. 4.4 earthquake - Tonga (Samoa) on Tuesday, 25 April 1978 at 17:01 (GMT)
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