Mag. 4.9 earthquake - South Atlantic Ocean, Antarctica, on 11 Oct 9:39 pm (GMT -3) -
This quake was likely an aftershock of the 5.8 quake South Atlantic Ocean, Antarctica, 2 Oct 7:17 am (GMT -3), which had occurred 10 days earlier.

Light magnitude 4.9 earthquake at 10 km depth
12 Oct 01:06 UTC: First to report: EMSC after 26 minutes.
Local time at epicenter: 11 Oct 9:39 pm (GMT -3)
Magnitude: 4.9
Depth: 10.0 km
Epicenter latitude / longitude: 62.48°S / 58.22°W

Nearest volcano: Penguin Island (45 km / 28 mi)
Nearby towns and cities:
37 km (23 mi) SSE of Napier Rock Island --> See nearby quakes!
Weather at epicenter at time of quake:
Mist
-2°C (28 F), humidity: 92%, wind: 12 m/s (24 kts) from N
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Mist

Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) 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 4.9 | 10 km | South Shetland Islands, Antarctica | EMSC |
M 4.9 | 10 km | South Shetland Islands, Antarctica | USGS |
M 4.7 | 10 km | TFAIAS (Argentina), Antarctica | INPRES |
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 Earlier earthquakes in the same area since 1900
Mag. 4.9 earthquake - South Atlantic Ocean, Antarctica, on 11 Oct 9:39 pm (GMT -3)- Date / time UTC| Mag |Depth|Age|Distance| Details
- 17 Nov 2013 09:04| 7.8 |10km / 6.2mi|7 years ago|676km / 420mi| Scotia Sea
- 04 Aug 2003 04:37| 7.6 |10km / 6.2mi|17 years ago|813km / 505mi| Scotia Sea (Antarctica)
- 15 Jun 1970 11:14| 7.2 |10km / 6.2mi|51 years ago|961km / 597mi| Tierra Del Fuego, Argentina Region
- 25 Nov 2013 06:27| 7.0 |10km / 6.2mi|7 years ago|976km / 606mi| South Atlantic Ocean
- 08 Feb 1971 21:04| 7.0 |12.5km / 7.8mi|50 years ago|190km / 118mi| South Shetland Islands (Antarctica)
- 15 Jan 2012 13:40| 6.6 |8km / 5mi|9 years ago|203km / 126mi| South Shetland Islands (Antarctica)
- 17 Jun 1992 08:39| 6.2 |10km / 6.2mi|29 years ago|242km / 150mi| South Shetland Islands (Antarctica)
- 19 Apr 1964 14:12| 6.1 |10km / 6.2mi|57 years ago|222km / 138mi| South Shetland Islands (Antarctica)
- 15 Jan 2012 14:21| 6.0 |10km / 6.2mi|9 years ago|214km / 133mi| South Shetland Islands (Antarctica)
- 18 Jan 1981 03:06| 6.0 |22km / 14mi|40 years ago|213km / 132mi| South Shetland Islands (Antarctica)
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