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
Magnitude: 6
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.
| Magnitude | Depth | Location | Source |
| M 6.0 | 67 km | South Sandwich Islands region | 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!
Aftershocks of the 6.0 quake South Sandwich Islands Region 25 April 1973 21:34 GMT
More info
Recorded 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
Earlier earthquakes in the same area
Strong mag. 6.0 earthquake - South Sandwich Islands Region on Wednesday, 25 April 1973 at 21:34 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
