Moderate mag. 5.8 earthquake - South Pacific Ocean, 256 km south of Apia, Tuamasaga, Samoa, on Monday, 22 June 1964 at 00:16 (GMT)

Moderate mag. 5.8 earthquake  - South Pacific Ocean, 256 km south of Apia, Tuamasaga, Samoa, on Monday, 22 June 1964 at 00:16 (GMT)

Moderate magnitude 5.8 earthquake at 15 km depth

Date & time: 22 Jun 1964 00:16:25 UTC
Magnitude: 5.8
Depth: 15.0 km
Epicenter latitude / longitude: 16.013°S / 172.53°W (South Pacific Ocean, Samoa)
Nearest volcano: Tafahi (129 km / 80 mi)
Nearby towns and cities:
248 km (154 mi) SSW of Mulifanua (pop: 4,510) --> See nearby quakes!
253 km (157 mi) SSW of Fasito‘outa (pop: 2,100) --> See nearby quakes!
256 km (159 mi) SSW of Apia (pop: 40,400) --> See nearby quakes!
258 km (160 mi) SSW of Lufilufi (pop: 1,070) --> See nearby quakes!
269 km (167 mi) SW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
275 km (171 mi) SW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
278 km (172 mi) S of Asau (pop: 6,640) --> See nearby quakes!
285 km (177 mi) S of Safotu (pop: 1,210) --> See nearby quakes!
437 km (272 mi) NW of Alofi (Niue) (pop: 624) --> See nearby quakes!
496 km (308 mi) SE of Mata-Utu (Hahake, Wallis & Futuna) (pop: 1,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.2 x 1013 joules (8.78 gigawatt hours, equivalent to 7558 tons of TNT or 0.5 atomic bombs!) 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.
M 5.815 kmSamoa Islands regionUSGS
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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More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.

Earlier earthquakes in the same area

Moderate mag. 5.8 earthquake - South Pacific Ocean, 256 km south of Apia, Tuamasaga, Samoa, on Monday, 22 June 1964 at 00:16 (GMT)
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