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Significant earthquake

This summarises a recorded earthquake only; it is not a warning or a prediction. Follow AFAD and the competent authorities for official statements and guidance.

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4.8

south of the Fiji Islands

27 October 2026, 18:31:41 (+03) 2026-10-27 15:31:41 UTC

3 sources: EMSC, USGS, GFZ mb
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Magnitude
4.8 mb
Depth
496.8 km
Coordinates
-23.7421, -179.8379
Data consistency
96/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
4
Last 30 days
10

Approximate energy released

≈ 239 t TNT

1.00e+12 J

Approximated with the Gutenberg–Richter relation (log E = 1.5 M + 4.8); depends on magnitude type. Gutenberg & Richter (1956).

Did you feel this earthquake?

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Community reports

Based on voluntary reports from users; not an instrumental measurement or official intensity. For official information follow AFAD and Kandilli Observatory announcements.

Impact information reported by sources

  • USGS Earthquake Hazards Program Tsunami flag: No

These values are automatic products of the respective agency, not an assessment by this platform. For tsunami warnings follow the Kandilli Observatory Regional Earthquake-Tsunami Monitoring Center and AFAD.

Nearby places

No records.

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

12 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 0
  • M4 10
  • M5 2
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 0
  • 20–40 km 0
  • 40–70 km 0
  • 70–150 km 0
  • 150+ km 12

Largest previous earthquakes within 100 km

Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).

Comparison with past records

…

No earlier earthquakes are recorded in this area.

  • Source:

Where does this earthquake come from?

Source comparison

Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
SOUTH OF FIJI ISLANDS
 4.8 mb 508.4 km 15:31:42.710 Δt 0.92 sn · 9.35 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
south of the Fiji Islands
 4.8 mb 496.8 km 15:31:41.795 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
South of Fiji Islands
 4.7 mb 509.7 km 15:31:42.700 Δt 0.91 sn · 11.5 km · ΔM -0.1 Original record

This value summarises agreement between sources; it is not a measure of scientific accuracy. Euro-Mediterranean Seismological Centre (EMSC-CSEM) — CC BY 4.0 U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government) GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0

Revision history

  1. 28.10.2026 18:47:05 · EMSC · update

    depth: 527 → 508.4 latitude: -23.8141 → -23.8265 longitude: -179.7832 → -179.8384 magnitude: 5 → 4.8 time: 2026-10-27T15:31:43.260+00:00 → 2026-10-27T15:31:42.710+00:00

  2. 28.10.2026 18:24:38 · USGS · update

    depth: 509.07 → 496.78 latitude: -23.7469 → -23.7421 longitude: -179.7358 → -179.8379 magnitude: 5 → 4.8 time: 2026-10-27T15:31:42.073+00:00 → 2026-10-27T15:31:41.795+00:00

  3. 28.10.2026 18:24:38 · SISTEM · recompute

    depth: 509.07 → 496.78 latitude: -23.7469 → -23.7421 longitude: -179.7358 → -179.8379 magnitude: 5 → 4.8 time: 2026-10-27T15:31:42.073Z → 2026-10-27 15:31:41.795+00:00

  4. 27.10.2026 19:08:53 · SISTEM · recompute

    source count: 2 → 3 confirming sources: emsc,usgs → emsc,usgs,gfz

  5. 27.10.2026 18:57:45 · SISTEM · recompute

    source count: 1 → 2 confirming sources: usgs → emsc,usgs

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