Earthquake in South Sandwich Islands Region
Reported by USGS 30 days ago.
It is the 3rd strongest of the 8 detections recorded within 20 km of this point since 14 March 2026. The last comparable one was on 24 July 2026. One more was recorded here in the fortnight before it.
What the source measured
USGS reported: South Sandwich Islands region
Nearby, since 14 March 2026
- March 14, 2026 · score 17 · 5.2 km
- March 14, 2026 · score 18 · 5.5 km
- July 24, 2026 · score 8 · 11.5 km
How we know
Confirmed by 2 independent sources, including USGS.
Our own score for this event is 17 out of 100, at 68 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Earthquake |
| Severity | medium |
| Calamity Score (ours) | 17 / 100 |
| Our confidence | 68% |
| Coordinates | -58.6947, -25.3501 |
| Nearest City | Ushuaia (2608 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-31T18:58:13.113Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/us6000thb5 |
Score Breakdown
Technical Details
| Mag | 5.1 |
| Depth | 70.71 |
| Tsunami | false |
| Sig | 400 |
| Emsc Mag | 5.1 |
| Emsc Depth | -70.7 |
| Emsc MagType | mb |
| Emsc Region | SOUTH SANDWICH ISLANDS REGION |
| Emsc Auth | NEIC |
| Emsc SourceId | 2035610 |
| MergedSources | [{"id":"emsc_20260731_0000322","source":"emsc","severity":"medium","severityValue":40.8,"timestamp":1785524293113,"latitude":-58.6947,"longitude":-25.3501}] |
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 10 February 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.
Calamity.live data shows a earthquake event with CalamityScore 17/100, in South Sandwich Islands Region, based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.