Earthquake in Southwest Indian Ridge
Reported by GFZ yesterday.
What the source measured
GFZ reported: Southwest Indian Ridge
Nearby, since 29 August 2026
- August 29, 2026 · score 16 · 0.0 km
- August 29, 2026 · score 17 · 4.8 km
- August 29, 2026 · score 17 · 8.0 km
How we know
Confirmed by 2 independent sources, including GFZ.
Our own score for this event is 16 out of 100, at 67 % 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) | 16 / 100 |
| Our confidence | 67% |
| Coordinates | -31.9070, 57.0020 |
| Nearest City | Saint-Joseph (1179 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-29T03:40:07.030Z |
| Source | https://geofon.gfz-potsdam.de/eqinfo/event.php?id=gfz2026qwxy |
Score Breakdown
Technical Details
| Mag | 5.07 |
| Depth | 10 |
| MagType | mb |
| Region | Southwest Indian Ridge |
| Isc Mag | 5.07 |
| Isc Depth | 10 |
| Isc MagType | mb |
| Isc Region | Southwest Indian Ridge |
| MergedSources | [{"id":"isc_646263230","source":"isc","severity":"medium","severityValue":40.56,"timestamp":1787974807030,"latitude":-31.907,"longitude":57.002}] |
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 16/100, in Southwest Indian Ridge, based on data from gfz. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.