M6.1 earthquake – Fiji Islands Region
A magnitude 6.1 earthquake struck in the Fiji Islands region at 06:21 local time (17:21 UTC) on 6 Nov 2026, at a depth of 535 km, according to USGS, GFZ and INGV.
Reported by 3 agencies · revised from M5.7
Data: USGS, GFZ, INGV · updated 2026-11-05 21:50 UTC · reviewed
- Magnitude
- 6.1strong
moment magnitude (W phase) (mww)
revised from 5.7 - Depth
- 535 km
- Status
- Reviewed
- Origin time
- 2026-11-05 17:21:45 UTC
- Local: 6 Nov 2026, 06:21:45 (Pacific/Tongatapu)
- Epicentre
- 21.198° S, 178.714° W
Circles show this event and others within 142 km from 7 days before to 30 days after. Lines: plate boundaries and GEM active faults. Open on the live map
Nearby places
| Place | Distance | Est. shaking |
|---|---|---|
| No towns within 400 km. This is a remote area. | ||
Shaking is an estimate from the intensity prediction equation of Allen, Wald & Worden (2012), not an observation. Local ground and buildings can change it by a level or more.
Every agency's solution
Agencies locate earthquakes with their own stations and methods, so their numbers differ. We match reports of the same event by time, distance and magnitude and show them side by side. The headline uses USGS, which has been reviewed by an analyst.
| Agency | Magnitude | Depth | Epicentre | Time offset | Status |
|---|---|---|---|---|---|
| GFZGFZ via GEOFON, GFZ Helmholtz Centre for Geosciences | 6.1 Mwwas 5.6 | 529.6 km | 21.10° S, 178.73° W | +0.7 s | Automatic · 2 revisions |
| USGSheadlineUSGS NEIC via U.S. Geological Survey | 6.1 mww | 535 km | 21.20° S, 178.71° W | – | Reviewed · 1 revision |
| INGVSURVEY-INGV-A via Istituto Nazionale di Geofisica e Vulcanologia | 5.8 Mwp | 546.5 km | 21.20° S, 178.59° W | +1.0 s | Automatic |
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How big was it?
Can cause damage over tens of kilometres, depending on depth, local ground and how buildings are built.
It released roughly the energy of 21 kt of TNT. Magnitude is logarithmic: each whole step means about 32 times more energy and 10 times larger waves on a seismogram. Depth matters too: at 535 km this was a deep earthquake, which spreads shaking over a wider area but less intensely.
M6.1 releases about 32× the energy of M5.1, and its waves are about 10× taller on a seismogram. Energy: 21 kt of TNT vs 674 t of TNT.
Each square is the energy of one M5.1. Energy from log₁₀E = 1.5M + 4.8.
Aftershocks and nearby activity
3 later earthquakes within 142 km; the largest was M5.8 7 days ago. Aftershock rates usually fall off roughly in proportion to 1/time.
Mainshock M6.1
3 later earthquakes nearby. Aftershock rates typically fall off roughly as 1/time (Omori's law).
| Time after mainshock (hours) | Magnitude | Depth (km) |
|---|---|---|
| 0.00 | 5.8 | 547 |
| 45.73 | 4.5 | 572 |
| 147.28 | 4.4 | 393 |
Did you feel it?
Reports from people help show where shaking was strong. They are anonymous and shown here in aggregate.
Reports on SeismoAtlas
No reports yet.
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Event id gfz2026vsbi. First recorded here 5 Nov 2026, 17:28:53 UTC. Solutions: GFZ (geofon:gfz2026vsbi); USGS (usgs:us7000tw8r); INGV (ingv:47017071). Cite as: SeismoAtlas, “M6.1 earthquake – Fiji Islands Region”, https://seismoatlas.com/earthquake/gfz2026vsbi-m6-1-earthquake-fiji-islands-region, data from USGS, GFZ, INGV.
JSON: /api/v1/events/gfz2026vsbi. SeismoAtlas is not an official warning service.