Strong mag. 6.2 earthquake - South Georgia & the South Sandwich Is. [Sea] on Monday, 4 September 2017

Strong mag. 6.0 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Monday, 4 September 2017 at 08:07 (GMT)

Strong mag. 6.0 earthquake  - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Monday, 4 September 2017 at 08:07 (GMT)

Strong magnitude 6.0 earthquake at 40 km depth

4 Sep 08:18 UTC: First to report: EMSC after 11 minutes.
Sep 4 08:19: Magnitude recalculated from 6.0 to 6.1.
Hypocenter depth recalculated from 65.0 to 80.0 km.
Sep 4 08:30: Magnitude recalculated from 6.1 to 6.0.
Hypocenter depth recalculated from 80.0 to 40.0 km.
Date & time: 4 Sep 2017 08:07:36 UTC
Magnitude: 6
Depth: 40.0 km
Epicenter latitude / longitude: 57.79°S / 25.71°W (South Atlantic Ocean, South Georgia & South Sandwich Islands)
Nearest volcano: Michael (54 km / 34 mi)
Nearby towns and cities:
79 km (49 mi) NNE of Montagu Island --> See nearby quakes!
207 km (128 mi) NNE of Thule Island --> See nearby quakes!
200 km (124 mi) SE of Zavodovski Island --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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 6.040 km SOUTH SANDWICH ISLANDS REGIONEMSC
M 6.220 kmSouth Georgia & the South Sandwich Is. [Sea]INGV
M 6.185 kmSouth Sandwich Islands RegionGeoAu
M 6.035 km- 149km NNE of Bristol Island, South Sandwich IslandsUSGS

shake map
(shakemap: 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 6.0 quake South Atlantic Ocean, South Georgia & South Sandwich Islands, 4 September 2017 08:07 GMT

More info
Recorded aftershocks, latest first (5 quakes):
  • 28 Feb 2018 16:15 UTC
    | M 4.9 |
    35 km (21.7 mi) depth
    |
    23 km (14 mi) distance
    | USGS | Details
  • 27 Dec 2017 10:11 UTC
    | M 4.7 |
    116.4 km (72.3 mi) depth
    |
    33 km (20 mi) distance
    | USGS | Details
  • 17 Dec 2017 14:06 UTC
    | M 4.9 |
    35 km (21.7 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 30 Nov 2017 23:09 UTC
    | M 4.8 |
    35 km (21.7 mi) depth
    |
    35 km (22 mi) distance
    | USGS | Details
  • 06 Sep 2017 13:45 UTC
    | M 4.9 |
    35 km (21.7 mi) depth
    |
    35 km (22 mi) distance
    | EMSC | Details

Earlier earthquakes in the same area

Strong mag. 6.0 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Monday, 4 September 2017 at 08:07 (GMT)
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