Earthquake in South Sandwich Islands Region
Reported by USGS today.
Another comparable one was recorded here earlier the same day.
What the source measured
USGS reported: South Sandwich Islands region
Nearby, since 30 August 2026
- August 30, 2026 · score 17 · 3.2 km
- August 30, 2026 · score 17 · 7.0 km
- August 30, 2026 · score 17 · 7.0 km
How we know
Confirmed by 2 independent sources, including USGS.
Our own score for this event is 10 out of 100, at 70 % 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) | 10 / 100 |
| Our confidence | 70% |
| Coordinates | -56.4575, -27.0033 |
| Nearest City | Ushuaia (2560 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-30T03:55:28.753Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/us7000tcwd |
Score Breakdown
Technical Details
| Mag | 5.1 |
| Depth | 135.69 |
| Tsunami | false |
| Sig | 400 |
| Emsc Mag | 5.1 |
| Emsc Depth | -135 |
| Emsc MagType | mb |
| Emsc Region | SOUTH SANDWICH ISLANDS REGION |
| Emsc Auth | EMSC |
| Emsc SourceId | 2053090 |
| MergedSources | [{"id":"emsc_20260830_0000054","source":"emsc","severity":"medium","severityValue":40.8,"timestamp":1788062129090,"latitude":-56.5026,"longitude":-27.0902}] |
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 10/100, in South Sandwich Islands Region, based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.