Aegean Tension IndexA daily escalation/de-escalation index for Cyprus, Greece and Türkiye across the Aegean and Eastern Mediterranean, from open-source indicators & warnings. A heuristic, not a forecast.

Index42 / 100
24 h change−5.3
StatusELEVATED
Warning signalNo spikes
Assessment18 Oct 2026
Last updated05:55 UTC9 Nov 2026

What changed · 18 Oct 2026

A new NAVTEX dispute emerged over the Eastern Mediterranean waters hosting the multinational Eunomia 2026 exercise and the planned Great Sea Interconnector cable survey, after Türkiye's Antalya station challenged Greek NAVTEX authority there; no new airspace-violation count was found for today. Separately, the Republic of Cyprus and the Turkish Cypriot administration's leaders jointly attended a bicommunal festival in the Pyla buffer-zone village, a modestly positive signal amid otherwise stalled Cyprus talks.

  • Military posture: 5/10 · Türkiye issued a counter-NAVTEX disputing Greek authority over the area for the Eunomia 2026 exercise (Greece, Republic of Cyprus, France, Italy; live fire due 19 Oct south of Kastellorizo/Meis).
  • Diplomatic / political: 4/10 · President Christodoulides and Turkish Cypriot leader Erhurman jointly attended the Pyla bicommunal festival, calling it a 'message of peace'; no démarche or ministerial warning was reported.
  • Economic / informational: 5/10 · Athens said it would proceed with Great Sea Interconnector seabed surveys without Turkish permission after Ankara's NAVTEX challenged Greek jurisdiction over the route.
  • EW / SIGINT: 3/10 · No GNSS jamming, spoofing or radar-interference reports linked to Greece, the Republic of Cyprus or Türkiye were found for today; scored at the routine default.

Sources

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