Moderate mag. 5.4 earthquake - Tonga (Samoa) on Wednesday, 9 November 2005 at 08:00 (GMT)

Moderate mag. 5.4 earthquake - Tonga (Samoa) on Wednesday, 9 November 2005 at 08:00 (GMT)

Moderate magnitude 5.4 earthquake at 31 km depth

Date & time: 9 Nov 2005 08:00:27 UTC
Magnitude: 5.4
Depth: 31.2 km
Epicenter latitude / longitude: 15.271°S / 173.637°W (Samoa)
Nearest volcano: West Mata (23 km / 14 mi)
Nearby towns and cities:
78 km (48 mi) NNE of Hihifo (Tonga) (pop: 815) --> See nearby quakes!
221 km (137 mi) SW of Vailoa (pop: 769) --> See nearby quakes!
223 km (138 mi) SSW of Asau (pop: 6,640) --> See nearby quakes!
235 km (146 mi) SW of Mulifanua (pop: 4,510) --> See nearby quakes!
242 km (151 mi) SSW of Safotu (pop: 1,210) --> See nearby quakes!
244 km (152 mi) SW of Fasito‘outa (pop: 2,100) --> See nearby quakes!
257 km (160 mi) SW of Apia (pop: 40,400) --> See nearby quakes!
269 km (167 mi) SW of Lufilufi (pop: 1,070) --> See nearby quakes!
330 km (205 mi) WSW of Tāfuna (Tualauta, American Samoa) (pop: 11,000) --> See nearby quakes!
334 km (208 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: 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 of the 5.4 quake Tonga (Samoa) 9 November 2005 08:00 GMT

More info
Recorded aftershocks, latest first (4 quakes):
  • 19 Dec 2005 16:04 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 16 Dec 2005 03:58 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    26 km (16 mi) distance
    | USGS | Details
  • 16 Dec 2005 00:55 UTC
    | M 4.2 |
    10 km (6.2 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 21 Nov 2005 20:17 UTC
    | M 5.2 |
    10 km (6.2 mi) depth
    |
    25 km (16 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Moderate mag. 5.4 earthquake - Tonga (Samoa) on Wednesday, 9 November 2005 at 08:00 (GMT)
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