Strong mag. 6.0 earthquake - South Sandwich Islands Region on Wednesday, 25 April 1973 at 21:34 (GMT)
Strong magnitude 6.0 earthquake at 67 km depth
Depth: 67.0 km
Epicenter latitude / longitude: 59.281°S / 26.097°W (South Georgia & South Sandwich Islands)
Nearest volcano: Bristol Island (39 km / 24 mi)
Nearby towns and cities:
72 km (45 mi) ENE of Thule Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
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
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.
|M 6.0||67 km||South Sandwich Islands region||USGS|
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Aftershocks of the 6.0 quake South Sandwich Islands Region 25 April 1973 21:34 GMT
More infoRecorded aftershocks, latest first (3 quakes):
- 16 Sep 1973 10:19 UTC| M 4.5 |147 km (91.3 mi) depth|23 km (14 mi) distance| USGS | Details
- 24 Aug 1973 03:23 UTC| M 5.2 |65 km (40.4 mi) depth|34 km (21 mi) distance| USGS | Details
- 10 Jul 1973 12:23 UTC| M 5.0 |33 km (20.5 mi) depth|56 km (35 mi) distance| USGS | Details