Moderate mag. 5.5 earthquake - Tonga (Samoa) on Saturday, 8 April 1995 at 14:28 (GMT)

Moderate mag. 5.5 earthquake - Tonga (Samoa) on Saturday, 8 April 1995 at 14:28 (GMT)

Moderate magnitude 5.5 earthquake at 33 km depth

Date & time: 8 Apr 1995 14:28:37 UTC
Magnitude: 5.5
Depth: 32.8 km
Epicenter latitude / longitude: 15.216°S / 173.319°W (Samoa)
Nearest volcano: West Mata (48 km / 30 mi)
Nearby towns and cities:
97 km (60 mi) NNE of Hihifo (Tonga) (pop: 815) --> See nearby quakes!
196 km (122 mi) SSW of Vailoa (pop: 769) --> See nearby quakes!
202 km (126 mi) SSW of Asau (pop: 6,640) --> See nearby quakes!
207 km (129 mi) SW of Mulifanua (pop: 4,510) --> See nearby quakes!
215 km (134 mi) SW of Fasito‘outa (pop: 2,100) --> See nearby quakes!
220 km (137 mi) SSW of Safotu (pop: 1,210) --> See nearby quakes!
227 km (141 mi) SW of Apia (pop: 40,400) --> See nearby quakes!
238 km (148 mi) SW of Lufilufi (pop: 1,070) --> See nearby quakes!
296 km (184 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
300 km (187 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: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 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 5.533 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 of the 5.5 quake Tonga (Samoa) 8 April 1995 14:28 GMT

More info
Recorded aftershocks, latest first (6 quakes):
  • 25 May 1995 05:44 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 07 May 1995 22:38 UTC
    | M 6.0 |
    20.5 km (12.7 mi) depth
    |
    23 km (15 mi) distance
    | USGS | Strong mag. 6.0 earthquake - 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
    |
    9 km (6 mi) distance
    | USGS | Details
  • 13 Apr 1995 06:56 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details
  • 08 Apr 1995 17:12 UTC
    | M 5.5 |
    33 km (20.5 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 08 Apr 1995 16:35 UTC
    | M 5.4 |
    31 km (19.3 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Moderate mag. 5.5 earthquake - Tonga (Samoa) on Saturday, 8 April 1995 at 14:28 (GMT)
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