Earthquakes in South Sandwich Islands Region
Reported by ISC today.
No stronger detection stands among the 9 recorded within 20 km of this point since 20 May 2026 — 3 others scored the same. The last comparable one was on 31 August 2026.
What the source measured
ISC reported: South Sandwich Islands region
ISC recorded magnitude 6.2 at a depth of 106 km.
The seismic region given by the source is South Sandwich Islands region.
Nearby, since 20 May 2026
- September 2, 2026 · score 26 · 6.0 km
- September 2, 2026 · score 26 · 6.0 km
- September 2, 2026 · score 24 · 7.0 km
How we know
Confirmed by 2 independent sources, including ISC.
Our own score for this event is 26 out of 100, at 62 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Earthquakes |
| Severity | High |
| Calamity Score (ours) | 26 / 100 |
| Our confidence | 62% |
| Coordinates | -56.1650, -27.8470 |
| Nearest City | Ushuaia (2518 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-02T21:46:55.850Z |
| Source | http://www.isc.ac.uk/cgi-bin/web-db-run?event_id=646355039&out_format=IMS1.0&request=COMPREHENSIVE |
Score Breakdown
Technical Details
| Mag | 6.2 |
| Depth | 106.4 |
| MagType | Mw |
| Region | South Sandwich Islands region |
| Scedc Mag | 6.2 |
| Scedc Depth | 125.91 |
| Scedc MagType | w |
| Scedc Region | ###.# km ( ###.# mi) SE (az= 142.2) from Fortuna Foothills, AZ |
| MergedSources | [{"id":"scedc_10251318","source":"scedc","severity":"high","severityValue":62,"timestamp":1788385617617,"latitude":-56.2062,"longitude":-27.9085}] |
Safety Information
If you feel shaking: Drop, Cover, and Hold On. Move away from windows, heavy objects, and exterior walls. After shaking stops, check for injuries and structural damage. Be prepared for aftershocks, which can occur minutes to months after the mainshock. Follow instructions from local emergency management authorities.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens in this area?
Calamity.live data shows a earthquake event with CalamityScore 26/100, in South Sandwich Islands Region, based on data from isc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.