Major mag. 7.8 earthquake - Scotia Sea on Sunday, 17 November 2013

Major magnitude 7.8 earthquake - South Atlantic Ocean, Antarctica, on Sunday, November 17, 2013 06:04:55

Major magnitude 7.8 earthquake - South Atlantic Ocean, Antarctica, on Sunday, November 17, 2013 06:04:55

Major magnitude 7.8 earthquake at 10 km depth

17 Nov 09:19 UTC: First to report: USGS after 14 minutes.
Date & time: 17 Nov 2013 09:04:55 UTC
Local time at epicenter: Sunday, November 17, 2013 06:04:55
Magnitude: 7.8
Depth: 10.0 km
Epicenter latitude / longitude: 60.2959°S / 46.362°W (South Atlantic Ocean, Antarctica)
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.2 x 1016 joules (8784 gigawatt hours, equivalent to 7.6 x 106 tons of TNT or 472.4 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 7.510 kmScotia SeaGFZ
M 7.630 kmSCOTIA SEAEMSC
M 7.810 kmScotia SeaUSGS
M 7.810 kmScotia SeaGeoAu

shake map
(shakemap: USGS)

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Navarro Ridge, Albion Ca. / not felt : My well started free flowing on Sunday. It lasted for about 1/2 a day. I first observed this type of happening after the China Olympic E.Q. when the well free flowed for 3 days. My weak water bearing aquifer is in a confined marine terrace. The well is located at the top of the steep Navarro Ridge approximately 60 feet east of a fault trace. The easterly springs on the sides of the ridge also started free flowing. My neighbor to the west of the fault has been unable to develop water.
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Aftershocks

More info
Recorded aftershocks, latest first (60 quakes):
  • 30 Oct 2015 07:18 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    262 km (163 mi) distance
    | EMSC | Details
  • 30 Oct 2015 03:26 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    277 km (172 mi) distance
    | EMSC | Details
  • 30 Oct 2015 03:18 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    284 km (176 mi) distance
    | EMSC | Details
  • 22 Oct 2015 01:17 UTC
    | M 5.3 |
    10 km (6.2 mi) depth
    |
    52 km (32 mi) distance
    | GFZ | Details
  • 06 Sep 2015 05:15 UTC
    | M 4.8 |
    10 km (6.2 mi) depth
    |
    138 km (86 mi) distance
    | EMSC | Details
  • 13 Jul 2015 04:43 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    227 km (141 mi) distance
    | EMSC | Details
  • 10 Oct 2014 05:14 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    201 km (125 mi) distance
    | USGS | Details
  • 06 Oct 2014 19:50 UTC
    | M 4.8 |
    2 km (1.2 mi) depth
    |
    191 km (119 mi) distance
    | EMSC | Details
  • 06 Jun 2014 04:38 UTC
    | M 5.1 |
    10 km (6.2 mi) depth
    |
    308 km (191 mi) distance
    | EMSC | Details
  • 22 Feb 2014 22:39 UTC
    | M 5.5 |
    10.1 km (6.3 mi) depth
    |
    47 km (29 mi) distance
    | USGS | Details
  • 16 Feb 2014 08:25 UTC
    | M 4.8 |
    9.9 km (6.2 mi) depth
    |
    29 km (18 mi) distance
    | USGS | Details
  • 08 Feb 2014 19:50 UTC
    | M 6.0 |
    18.3 km (11.4 mi) depth
    |
    64 km (40 mi) distance
    | USGS | Very strong mag. 6.0 earthquake - South Atlantic Ocean, Antarctica, on Saturday, February 08, 2014 16:50:36
  • 11 Jan 2014 20:18 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    62 km (38 mi) distance
    | USGS | Details
  • 26 Dec 2013 16:09 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    228 km (142 mi) distance
    | EMSC | Details
  • 25 Dec 2013 07:07 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    144 km (89 mi) distance
    | USGS | Details
  • 24 Dec 2013 15:17 UTC
    | M 4.8 |
    14.8 km (9.2 mi) depth
    |
    143 km (89 mi) distance
    | USGS | Details
    • Show all

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Earlier earthquakes in the same area

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