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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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6.6

LOYALTY ISLANDS

26 September 2026, 00:23:03 (+03) 2026-09-25 21:23:03 UTC

2 sources: EMSC, GFZ mw
Did you feel this earthquake?
Magnitude
6.6 mw
Depth
10.0 km
Coordinates
-21.2437, 168.6047
Data consistency
82/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
1
Last 30 days
1

Approximate energy released

≈ 120 kt TNT

5.01e+14 J

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

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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.

Nearby places

No records.

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

29 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 0
  • M4 13
  • M5 14
  • M6 2
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 29
  • 20–40 km 0
  • 40–70 km 0
  • 70–150 km 0
  • 150+ km 0

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 Displayed
LOYALTY ISLANDS
 6.6 mw 10.0 km 21:23:03.820 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Loyalty Islands
 6.7 Mw 10.0 km 21:23:04.100 Δt 0.28 sn · 10.77 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 GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0

Revision history

  1. 26.09.2026 12:36:49 · EMSC · update

    latitude: -21.2576 → -21.2437 longitude: 168.6056 → 168.6047 time: 2026-09-25T21:23:04.130+00:00 → 2026-09-25T21:23:03.820+00:00

  2. 26.09.2026 12:36:49 · SISTEM · recompute

    latitude: -21.2576 → -21.2437 longitude: 168.6056 → 168.6047 time: 2026-09-25T21:23:04.130Z → 2026-09-25 21:23:03.820+00:00

  3. 26.09.2026 00:45:20 · GFZ · update

    magnitude: 6.6 → 6.7 magnitude type: M → Mw

  4. 26.09.2026 00:43:19 · EMSC · update

    latitude: -21.2982 → -21.2576 longitude: 168.61 → 168.6056 time: 2026-09-25T21:23:03.309+00:00 → 2026-09-25T21:23:04.130+00:00

  5. 26.09.2026 00:43:19 · SISTEM · recompute

    latitude: -21.2982 → -21.2576 longitude: 168.61 → 168.6056 time: 2026-09-25T21:23:03.309Z → 2026-09-25 21:23:04.130+00:00

  6. 26.09.2026 00:41:13 · EMSC · update

    depth: 6.8 → 10 latitude: -21.2185 → -21.2982 longitude: 168.6061 → 168.61 time: 2026-09-25T21:23:03.910+00:00 → 2026-09-25T21:23:03.309+00:00 magnitude type: m → mw

  7. 26.09.2026 00:41:13 · SISTEM · recompute

    depth: 6.8 → 10 latitude: -21.2185 → -21.2982 longitude: 168.6061 → 168.61 time: 2026-09-25T21:23:03.910Z → 2026-09-25 21:23:03.309+00:00 magnitude type: m → mw

  8. 26.09.2026 00:40:13 · EMSC · update

    depth: 6.2 → 6.8 latitude: -21.2291 → -21.2185 longitude: 168.6068 → 168.6061 time: 2026-09-25T21:23:04.040+00:00 → 2026-09-25T21:23:03.910+00:00

  9. 26.09.2026 00:40:13 · SISTEM · recompute

    depth: 6.2 → 6.8 latitude: -21.2291 → -21.2185 longitude: 168.6068 → 168.6061 time: 2026-09-25T21:23:04.040Z → 2026-09-25 21:23:03.910+00:00

  10. 26.09.2026 00:37:11 · GFZ · update

    latitude: -21.215 → -21.181 longitude: 168.663 → 168.684 magnitude: 6.4 → 6.6 time: 2026-09-25T21:23:05.050+00:00 → 2026-09-25T21:23:04.100+00:00 magnitude type: mb → M

  11. 26.09.2026 00:35:54 · EMSC · update

    magnitude: 6.4 → 6.6 magnitude type: mb → m

  12. 26.09.2026 00:35:54 · SISTEM · recompute

    magnitude: 6.4 → 6.6 magnitude type: mb → m

  13. 26.09.2026 00:33:53 · EMSC · update

    depth: 5.9 → 6.2 latitude: -21.2153 → -21.2291 longitude: 168.6351 → 168.6068 time: 2026-09-25T21:23:04.290+00:00 → 2026-09-25T21:23:04.040+00:00

  14. 26.09.2026 00:33:53 · SISTEM · recompute

    depth: 5.9 → 6.2 latitude: -21.2153 → -21.2291 longitude: 168.6351 → 168.6068 time: 2026-09-25T21:23:04.290Z → 2026-09-25 21:23:04.040+00:00

  15. 26.09.2026 00:32:55 · EMSC · update

    depth: 31 → 5.9 latitude: -21.2598 → -21.2153 longitude: 168.6703 → 168.6351 time: 2026-09-25T21:23:07.230+00:00 → 2026-09-25T21:23:04.290+00:00

  16. 26.09.2026 00:32:55 · SISTEM · recompute

    depth: 31 → 5.9 latitude: -21.2598 → -21.2153 longitude: 168.6703 → 168.6351 time: 2026-09-25T21:23:07.230Z → 2026-09-25 21:23:04.290+00:00

  17. 26.09.2026 00:30:57 · SISTEM · recompute

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

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