Earthquakes in South Sandwich Islands Region
Right now
The most recent data we hold from ISC arrived 3 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by ISC 177 days ago.
It is the 3rd strongest of the 6 detections recorded within 20 km of this point since 19 March 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
ISC reported: South Sandwich Islands region
ISC recorded magnitude 5.1 at a depth of 35 km.
The seismic region given by the source is South Sandwich Islands region.
Nearby, since 19 March 2026
- March 19, 2026 · score 10 · 0.0 km
- March 19, 2026 · score 17 · 0.0 km
- July 18, 2026 · score 7 · 19.0 km
How we know
Confirmed by 2 independent sources, including ISC.
Our own score for this event is 10 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 v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Earthquakes |
| Severity | Medium |
| Calamity Score (ours) | 10 / 100 |
| Our confidence | 62% |
| Coordinates | -59.3270, -25.9880 |
| Nearest City | Ushuaia (2562 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-19T01:07:30.000Z |
| Source | http://www.isc.ac.uk/cgi-bin/web-db-run?event_id=645516990&out_format=IMS1.0&request=COMPREHENSIVE |
Score Breakdown
Technical Details
| Mag | 5.1 |
| Depth | 35 |
| MagType | M |
| Region | South Sandwich Islands region |
| Iris Mag | 5.1 |
| Iris Depth | 35 |
| Iris MagType | mb |
| Iris Region | SOUTH SANDWICH ISLANDS REGION |
| MergedSources | [{"id":"iris_12084065","source":"iris","severity":"medium","severityValue":40.8,"timestamp":1773882449000,"latitude":-59.3269,"longitude":-25.9885}] |
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.
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