- Tonga (Samoa) on Saturday, 8 April 1995 at 16:35 (GMT)

- Tonga (Samoa) on Saturday, 8 April 1995 at 16:35 (GMT)

Strong magnitude 5.4 earthquake at 31 km depth

Date & time: 8 Apr 1995 16:35:35 UTC
Magnitude: 5.4
Depth: 31.0 km
Epicenter latitude / longitude: 15.302°S / 173.413°W (Samoa)
Nearest volcano: West Mata (43 km / 27 mi)
Nearby towns and cities:
209 km (130 mi) SW of Vailoa (pop: 769) --> See nearby quakes!
215 km (134 mi) SSW of Asau (pop: 6,640) --> See nearby quakes!
221 km (137 mi) SW of Mulifanua (pop: 4,510) --> See nearby quakes!
229 km (143 mi) SW of Fasito‘outa (pop: 2,100) --> See nearby quakes!
233 km (145 mi) SSW of Safotu (pop: 1,210) --> See nearby quakes!
241 km (150 mi) SW of Apia (pop: 40,400) --> See nearby quakes!
252 km (156 mi) SW of Lufilufi (pop: 1,070) --> See nearby quakes!
313 km (194 mi) WSW of Pago Pago (Ma'Oputasi, American Samoa) (pop: 11,500) --> See nearby quakes!
373 km (232 mi) SE of Mata-Utu (Hahake, Wallis & Futuna) (pop: 1,200) --> See nearby quakes!
559 km (347 mi) NW of Alofi (Niue) (pop: 624) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 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 5.431 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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Aftershocks

More info
Recorded aftershocks, latest first (5 quakes):
  • 25 May 1995 05:44 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    2 km (1 mi) distance
    | USGS | Details
  • 07 May 1995 22:38 UTC
    | M 6.0 |
    20.5 km (12.7 mi) depth
    |
    21 km (13 mi) distance
    | USGS | - Tonga (Samoa) on Sunday, 7 May 1995 at 22:38 (GMT)
  • 05 May 1995 18:51 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 13 Apr 1995 06:56 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 08 Apr 1995 17:12 UTC
    | M 5.5 |
    33 km (20.5 mi) depth
    |
    8 km (5 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

- Tonga (Samoa) on Saturday, 8 April 1995 at 16:35 (GMT)
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