Major mag. 7.2 earthquake - 187km SSE of Bristol Island, South Sandwich Islands on Monday, 15 July 2013
Major magnitude. 7.3 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Monday, July 15, 2013 12:03:43

Major magnitude 7.3 earthquake at 31 km depth
15 Jul 14:21 UTC: First to report: USGS after 17 minutes.
Local time at epicenter: Monday, July 15, 2013 12:03:43
Magnitude: 7.3
Depth: 31.0 km
Epicenter latitude / longitude: 60.8679°S / 25.1436°W

Nearest volcano: Thule Islands (171 km / 106 mi)
Nearby towns and cities:
198 km (123 mi) SE of Thule Island --> See nearby quakes!
281 km (174 mi) SSE of Montagu Island --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1015 joules (1562 gigawatt hours, equivalent to 1.3 x 106 tons of TNT or 84 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 7.3 | 10 km | South Sandwich Islands Region | GFZ |
M 7.3 | 24 km | SOUTH SANDWICH ISLANDS REGION | EMSC |
M 7.3 | 31 km | 218km SSE of Bristol Island, South Sandwich Islands | USGS |
M 7.3 | 31 km | SSE of Bristol Island, South Sandwich Islands | GeoAu |
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 7.3 quake South Atlantic Ocean, South Georgia & South Sandwich Islands, Monday, July 15, 2013 12:03:43
More info
Recorded aftershocks, latest first (33 quakes):- 08 Jul 2015 22:25 UTC| M 4.8 |35 km (21.7 mi) depth|239 km (148 mi) distance| USGS | Details
- 08 Jul 2015 07:15 UTC| M 5.1 |10 km (6.2 mi) depth|270 km (168 mi) distance| USGS | Details
- 08 Jul 2015 07:08 UTC| M 4.8 |22 km (13.7 mi) depth|232 km (144 mi) distance| EMSC | Details
- 20 Jun 2015 05:32 UTC| M 5.5 |125 km (77.7 mi) depth|159 km (99 mi) distance| EMSC | Details
- 12 Jun 2015 03:18 UTC| M 4.7 |125 km (77.7 mi) depth|154 km (96 mi) distance| EMSC | Details
- 27 May 2015 03:24 UTC| M 4.8 |70 km (43.5 mi) depth|232 km (144 mi) distance| EMSC | Details
- 26 May 2015 23:51 UTC| M 5.6 |30 km (18.6 mi) depth|233 km (145 mi) distance| EMSC | Details
- 26 May 2015 23:41 UTC| M 5.6 |30 km (18.6 mi) depth|229 km (142 mi) distance| EMSC | Details
- 26 May 2015 23:26 UTC| M 5.4 |32 km (19.9 mi) depth|247 km (153 mi) distance| USGS | Details
- 24 May 2015 21:06 UTC| M 5.8 |36.6 km (22.7 mi) depth|152 km (94 mi) distance| USGS | Details
- 17 May 2015 19:43 UTC| M 5.4 |11.7 km (7.3 mi) depth|239 km (149 mi) distance| USGS | Details
- 30 Apr 2015 10:19 UTC| M 5.8 |10 km (6.2 mi) depth|101 km (63 mi) distance| GFZ | Details
- 17 Apr 2015 16:53 UTC| M 4.9 |35 km (21.7 mi) depth|101 km (63 mi) distance| USGS | Details
- 16 Apr 2015 23:27 UTC| M 5.0 |103.7 km (64.4 mi) depth|184 km (115 mi) distance| USGS | Details
- 15 Apr 2015 13:27 UTC| M 4.8 |10 km (6.2 mi) depth|225 km (140 mi) distance| GFZ | Details
- 23 Feb 2015 18:28 UTC| M 4.7 |69 km (42.9 mi) depth|113 km (70 mi) distance| EMSC | Details
Show all
Earlier earthquakes in the same area
Major magnitude. 7.3 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Monday, July 15, 2013 12:03:43Click here to search our database for earlier earthquakes in the same area since 1900!