Strong mag. 6.3 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Saturday, 28 February 2009 at 14:33 (GMT)

Strong mag. 6.3 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Saturday, 28 February 2009 at 14:33 (GMT)

Strong magnitude 6.3 earthquake at 15 km depth

Date & time: 28 Feb 2009 14:33:06 UTC
Magnitude: 6.3
Depth: 15.0 km
Epicenter latitude / longitude: 60.525°S / 24.796°W (South Atlantic Ocean, South Georgia & South Sandwich Islands)
Nearest volcano: Thule Islands (187 km / 116 mi)
Nearby towns and cities:
184 km (114 mi) SE of Thule Island --> See nearby quakes!
250 km (155 mi) SSE of Montagu Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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 6.315 kmSouth Sandwich 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 6.3 quake South Atlantic Ocean, South Georgia & South Sandwich Islands, 28 February 2009 14:33 GMT

More info
Recorded aftershocks, latest first (6 quakes):
  • 15 Jun 2009 18:24 UTC
    | M 4.6 |
    21.8 km (13.5 mi) depth
    |
    46 km (29 mi) distance
    | USGS | Details
  • 30 May 2009 06:47 UTC
    | M 5.5 |
    10 km (6.2 mi) depth
    |
    73 km (45 mi) distance
    | USGS | Details
  • 19 May 2009 01:39 UTC
    | M 4.7 |
    13.4 km (8.3 mi) depth
    |
    44 km (27 mi) distance
    | USGS | Details
  • 21 Mar 2009 09:15 UTC
    | M 4.8 |
    10 km (6.2 mi) depth
    |
    14 km (8 mi) distance
    | USGS | Details
  • 20 Mar 2009 23:17 UTC
    | M 4.7 |
    35 km (21.7 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 12 Mar 2009 05:18 UTC
    | M 5.5 |
    10 km (6.2 mi) depth
    |
    65 km (41 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Strong mag. 6.3 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Saturday, 28 February 2009 at 14:33 (GMT)
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