Strong mag. 6.9 earthquake - Samoa Islands Region (American Samoa) on Thursday, 28 September 2006 at 06:22 (GMT)

Strong mag. 6.9 earthquake  - Samoa Islands Region (American Samoa) on Thursday, 28 September 2006 at 06:22 (GMT)

Strong magnitude 6.9 earthquake at 28 km depth

Date & time: 28 Sep 2006 06:22:09 UTC###AGESTRINGCOPY###
Magnitude: 6.9
Depth: 28.0 km
Epicenter latitude / longitude: 16.592°S / 172.033°W (American Samoa)
Nearest volcano: Tafahi (198 km / 123 mi)
Nearby towns and cities:
201 km (125 mi) ESE of Hihifo (Tonga) (pop: 815)
288 km (179 mi) SSW of Tāfuna (Tualauta, Western District) (pop: 11,000)
307 km (191 mi) S of Mulifanua (Samoa) (pop: 4,510)
308 km (191 mi) S of Apia (Tuamasaga, Samoa) (pop: 40,400)
309 km (192 mi) NE of Neiafu (Vava‘u, Tonga) (pop: 4,320)
348 km (216 mi) S of Asau (Vaisigano, Samoa) (pop: 6,640)
376 km (234 mi) SW of Ta`ū (pop: 873)
606 km (376 mi) NNE of Nuku‘alofa (Nuku'alofa, Tongatapu, Tonga) (pop: 22,400)
Primary data source: USGS
Estimated released energy: 1.4 x 1015 joules (392 gigawatt hours, equivalent to 3.4 x 105 tons of TNT or 21.1 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 6.928 kmSamoa Islands region (American 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 6.9 quake Samoa Islands Region (American Samoa) 28 September 06:22 UTC

More info
Recorded aftershocks, latest first (28 quakes):
  • 13 Mar 2007 12:18 UTC
    | M 4.7 |
    45 km (28 mi) depth
    |
    38 km (24 mi) distance
    | USGS | Details
  • 11 Mar 2007 15:08 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    162 km (101 mi) distance
    | USGS | Details
  • 04 Mar 2007 06:39 UTC
    | M 4.0 |
    10 km (6.2 mi) depth
    |
    108 km (67 mi) distance
    | USGS | Details
  • 27 Feb 2007 17:01 UTC
    | M 5.1 |
    8.2 km (5.1 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 22 Feb 2007 21:35 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    112 km (69 mi) distance
    | USGS | Details
  • 22 Feb 2007 09:17 UTC
    | M 4.1 |
    15 km (9.3 mi) depth
    |
    122 km (76 mi) distance
    | USGS | Details
  • 23 Jan 2007 03:35 UTC
    | M 4.9 |
    92.1 km (57.2 mi) depth
    |
    164 km (102 mi) distance
    | USGS | Details
  • 17 Jan 2007 00:35 UTC
    | M 4.5 |
    35 km (21.7 mi) depth
    |
    162 km (100 mi) distance
    | USGS | Details
  • 13 Jan 2007 20:20 UTC
    | M 4.6 |
    35 km (21.7 mi) depth
    |
    70 km (44 mi) distance
    | USGS | Details
  • 11 Jan 2007 14:45 UTC
    | M 4.8 |
    10 km (6.2 mi) depth
    |
    138 km (86 mi) distance
    | USGS | Details
  • 07 Jan 2007 06:23 UTC
    | M 4.7 |
    15 km (9.3 mi) depth
    |
    136 km (84 mi) distance
    | USGS | Details
  • 22 Dec 2006 22:33 UTC
    | M 4.8 |
    35 km (21.7 mi) depth
    |
    101 km (63 mi) distance
    | USGS | Details
  • 22 Dec 2006 21:20 UTC
    | M 4.2 |
    10 km (6.2 mi) depth
    |
    162 km (101 mi) distance
    | USGS | Details
  • 20 Dec 2006 20:57 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    167 km (104 mi) distance
    | USGS | Details
  • 16 Dec 2006 22:27 UTC
    | M 4.2 |
    35 km (21.7 mi) depth
    |
    139 km (87 mi) distance
    | USGS | Details
  • 07 Dec 2006 20:44 UTC
    | M 5.4 |
    10 km (6.2 mi) depth
    |
    63 km (39 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

Strong mag. 6.9 earthquake - Samoa Islands Region (American Samoa) on Thursday, 28 September 2006 at 06:22 (GMT)
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