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Strong mag. 6.5 earthquake - South Sandwich Islands Region on Sunday, 26 July 2020

Very strong mag. 6.4 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Sunday, July 26, 2020 at 00:54 GMT

Very strong mag. 6.4 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Sunday, July 26, 2020 at 00:54 GMT Very strong mag. 6.4 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Sunday, July 26, 2020 at 00:54 GMT

Very strong magnitude 6.4 earthquake at 10 km depth

26 Jul 01:03 UTC: First to report: GFZ after 9 minutes.
Jul 26 01:04: Magnitude recalculated from 6.5 to 6.4.

Earthquake details

Date & timeJul 26, 2020 00:54:00 UTC
Local time at epicenter
Depth10.0 km
Epicenter latitude / longitude60.9°S / 25.54°W (South Atlantic Ocean, South Georgia & South Sandwich Islands)
Antipode60.9°N / 154.46°E
Shaking intensityVery strong shaking near epicenter
Felt0 reports
Primary data sourceGFZ (German Research Centre for Geosciences)
Nearest volcanoThule Islands (190 km / 118 mi)
Nearby towns and cities
Estimated seismic energy released2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 atomic bombs!) | about seismic energy
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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.
6.410 kmSouth Sandwich Islands RegionGFZ
6.3100 kmSouth Sandwich Islands RegionEMSC
6.310 kmSouth Sandwich Islands regionUSGS
6.45.1 kmSouth Sandwich Islands RegionGeoAu
6.38.6 kmSouth Georgia & the South Sandwich Is. [Sea]INGV
6.410 kmSouth Sandwich Islands RegionBMKG


Seismic station: Hope Point, South Georgia Island (HOPE/II network) | Distance from quake: 981 km / 609 mi | Show on map | Station Info
Seismic station Hope Point, South Georgia Island: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
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Ushuaia tierra del fuego argentina / not felt   
IMG_202005... .jpg (public domain)IMG_202005... .jpg (public domain)


[More info]

Recorded aftershocks, latest first (3 quakes)

Date and timeMag
Sep 25, 2020 03:54
2 years ago

100 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Sep 3, 2020 22:52
2 years ago

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore
Jul 26, 2020 03:59
2 years ago

10 km
South Atlantic Ocean, South Georgia & South Sandwich IslandsMore

Earlier earthquakes in the same area

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