Mag. 4.9 earthquake - South Atlantic Ocean, Antarctica, on 8 Oct 6:02 am (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 6 days earlier.
Light magnitude 4.9 earthquake at 10 km depth
8 Oct 09:47 UTC: First to report: USGS after 45 minutes.
Local time at epicenter: 8 Oct 6:02 am (GMT -3)
Magnitude: 4.9
Depth: 10.0 km
Epicenter latitude / longitude: 62.31°S / 58.2603°W
(South Atlantic Ocean, Antarctica)Nearest volcano: Penguin Island (29 km / 18 mi)
Nearby towns and cities:
18 km (11 mi) SSE of Napier Rock Island --> See nearby quakes!
323 km (200 mi) NE of East Melchior s Island --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds
-5°C (23 F), humidity: 92%, wind: 4 m/s (8 kts) from NNE
Primary data source: USGS (United States Geological Survey)
Broken Clouds
-5°C (23 F), humidity: 92%, wind: 4 m/s (8 kts) from NNEEstimated 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 | USGS |
| M 4.9 | 10 km | South Shetland Islands, Antarctica | EMSC |
| M 4.7 | 9 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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Earlier earthquakes in the same area
Mag. 4.9 earthquake - South Atlantic Ocean, Antarctica, on 8 Oct 6:02 am (GMT -3)
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