Moderate mag. 5.7 earthquake - Samoa Islands Region on Friday, 26 August 1988 at 07:33 (GMT)

Moderate mag. 5.7 earthquake - Samoa Islands Region on Friday, 26 August 1988 at 07:33 (GMT)

Moderate magnitude 5.7 earthquake at 78 km depth

Date & time: 26 Aug 1988 07:33:27 UTC
Magnitude: 5.7
Depth: 77.8 km
Epicenter latitude / longitude: 15.37°S / 172.933°W (Samoa)
Nearest volcano: Curacoa (84 km / 52 mi)
Nearby towns and cities:
113 km (70 mi) NE of Hihifo (Tonga) (pop: 815) --> See nearby quakes!
192 km (119 mi) SSW of Vailoa (pop: 769) --> See nearby quakes!
196 km (122 mi) SSW of Mulifanua (pop: 4,510) --> See nearby quakes!
204 km (127 mi) SSW of Fasito‘outa (pop: 2,100) --> See nearby quakes!
208 km (129 mi) S of Asau (pop: 6,640) --> See nearby quakes!
212 km (132 mi) SW of Apia (pop: 40,400) --> See nearby quakes!
220 km (137 mi) SW of Lufilufi (pop: 1,070) --> See nearby quakes!
221 km (137 mi) SSW of Safotu (pop: 1,210) --> See nearby quakes!
264 km (164 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
269 km (167 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: 2.2 x 1013 joules (6.22 gigawatt hours, equivalent to 5351 tons of TNT or 0.3 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.
MagnitudeDepthLocationSource
M 5.778 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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Aftershocks of the 5.7 quake Samoa Islands Region 26 August 1988 07:33 GMT

More info
Recorded aftershocks, latest first (1 quakes):
  • 26 Aug 1988 09:36 UTC
    | M 5.4 |
    33 km (20.5 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Moderate mag. 5.7 earthquake - Samoa Islands Region on Friday, 26 August 1988 at 07:33 (GMT)
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