Strong mag. 6.7 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Wednesday, 14 September 1966 at 23:18 (GMT)

Strong magnitude 6.7 earthquake at 20 km depth
Magnitude: 6.7
Depth: 20.0 km
Epicenter latitude / longitude: 60.244°S / 27.199°W

Nearest volcano: Thule Islands (89 km / 55 mi)
Nearby towns and cities:
89 km (55 mi) S of Thule Island --> See nearby quakes!
209 km (130 mi) SSW of Montagu Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1014 joules (197 gigawatt hours, equivalent to 1.7 x 105 tons of TNT or 10.6 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 6.7 | 20 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.
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There are no user reports for this quake yet. If you felt it Aftershocks of the 6.7 quake South Atlantic Ocean, South Georgia & South Sandwich Islands, 14 September 1966 23:18 GMT
More info
Recorded aftershocks, latest first (2 quakes):- 11 Oct 1966 06:25 UTC| M 6.1 |20 km (12.4 mi) depth|41 km (26 mi) distance| USGS | Strong mag. 6.1 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Tuesday, 11 October 1966 at 06:25 (GMT)
- 15 Sep 1966 11:51 UTC| M 6.2 |20 km (12.4 mi) depth|15 km (10 mi) distance| USGS | Strong mag. 6.2 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Thursday, 15 September 1966 at 11:51 (GMT)
Earlier earthquakes in the same area
Strong mag. 6.7 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Wednesday, 14 September 1966 at 23:18 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!