Earthquakes in Kermadec Islands Region
Reported by EMSC today.
It is the 6th strongest of the 9 detections recorded within 20 km of this point since 29 July 2026. Another comparable one was recorded here earlier the same day.
What the source measured
EMSC reported: KERMADEC ISLANDS REGION
EMSC recorded magnitude 5.3 at a depth of -30 km.
The seismic region given by the source is KERMADEC ISLANDS REGION.
Nearby, since 29 July 2026
- August 8, 2026 · score 6 · 12.8 km
- July 30, 2026 · score 22 · 12.9 km
- August 13, 2026 · score 21 · 13.7 km
How we know
Confirmed by 2 independent sources, including EMSC.
Our own score for this event is 18 out of 100, at 70 % 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) | 18 / 100 |
| Our confidence | 70% |
| Coordinates | -28.6656, -176.4527 |
| Nearest City | Nuku‘alofa (846 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-04T12:00:00.660Z |
| Source | https://www.seismicportal.eu/eventdetail.html?unid=20260904_0000161 |
Score Breakdown
Technical Details
| Mag | 5.3 |
| Depth | -30 |
| MagType | mb |
| Region | KERMADEC ISLANDS REGION |
| Auth | EMSC |
| SourceId | 2055699 |
| Gfz Mag | 5.32 |
| Gfz Depth | 10 |
| Gfz MagType | mb |
| Gfz Region | Kermadec Islands Region |
| MergedSources | [{"id":"gfz_gfz2026rijn","source":"gfz","severity":"medium","severityValue":42.56,"timestamp":1788523196030,"latitude":-28.738,"longitude":-176.146}] |
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.
Want to know when something happens in this area?
Calamity.live data shows a earthquake event with CalamityScore 18/100, in Kermadec Islands Region, based on data from emsc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.