Right now
The most recent data we hold from ISC arrived 49 minutes ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by ISC today.
It is the only one we have recorded within 20 km of this point since 8 September 2026.
What the source measured
ISC reported: Tonga Islands
ISC recorded magnitude 5.2 at a depth of 35 km.
The seismic region given by the source is Tonga Islands.
How we know
One source: ISC. Not yet confirmed by a second, independent source.
Our own score for this event is 11 out of 100, at 57 % 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 | Medium |
| Calamity Score (ours) | 11 / 100 |
| Our confidence | 57% |
| Coordinates | -18.8490, -173.9420 |
| Nearest City | Nuku‘alofa (287 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-08T09:51:12.000Z |
| Source | http://www.isc.ac.uk/cgi-bin/web-db-run?event_id=646389691&out_format=IMS1.0&request=COMPREHENSIVE |
Score Breakdown
Technical Details
| Mag | 5.2 |
| Depth | 35 |
| MagType | M |
| Region | Tonga Islands |
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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