Reported by ISC today.
The last comparable one was on 28 June 2026.
What the source measured
ISC reported: Fiji Islands region
ISC recorded magnitude 5.0 at a depth of 555 km.
The seismic region given by the source is Fiji Islands region.
Nearby, since 28 June 2026
- August 31, 2026 · score 16 · 0.0 km
- June 28, 2026 · score 2 · 1.4 km
- September 1, 2026 · score 16 · 5.6 km
How we know
One source: ISC. Not yet confirmed by a second, independent source.
Our own score for this event is 9 out of 100, at 57 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Earthquake |
| Severity | low |
| Calamity Score (ours) | 9 / 100 |
| Our confidence | 57% |
| Coordinates | -20.4300, -178.0310 |
| Nearest City | Nuku‘alofa (305 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-31T23:29:12.570Z |
| Source | http://www.isc.ac.uk/cgi-bin/web-db-run?event_id=646265638&out_format=IMS1.0&request=COMPREHENSIVE |
Score Breakdown
Technical Details
| Mag | 4.96 |
| Depth | 555.2 |
| MagType | mb |
| Region | Fiji Islands region |
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.
Want to know when something happens near Nuku‘alofa?
Calamity.live data shows a earthquake event with CalamityScore 9/100, in Fiji Islands Region (Tonga), based on data from isc. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.