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.

Index59 / 100
24 h change+9.8
StatusTENSE
Warning signalSpike · 1 category
Assessment24 Sep 2026
Last updated05:55 UTC9 Nov 2026

What changed · 24 Sep 2026

Turkey's "Denizkurdu-I" fleet exercise peaks today across the Aegean and three other seas alongside a new month-long unilateral NOTAM over Aegean airspace/sea areas (met by a Greek counter-NOTAM), while a Greek-Turkish media rhetoric war intensifies and the Cyprus-Crete interconnector cable survey dispute stays unresolved ahead of an expected October start.

  • Military posture: 6/10 · Turkish Denizkurdu-I fleet exercise (Black Sea/Marmara/Aegean/E.Med) peaks today (Distinguished Visitors Day); Greek navy, submarines and surveillance assets deployed across the Aegean in response.
  • Diplomatic / political: 4/10 · Erdogan's UNGA remarks reasserted Blue Homeland and Cyprus recognition demands under a dialogue framing; Greek FM Gerapetritis held the line on dialogue without concessions, no bilateral meeting held.
  • Economic / informational: 5/10 · Turkish and Greek outlets traded escalating accusations (Greece cast as bad neighbor and Israel's pawn) while the Cyprus-Crete Great Sea Interconnector survey jurisdiction dispute remains unresolved ahead of a possible October start.
  • EW / SIGINT: 4/10 · No newly reported jamming or radar-emission incidents today; elevated EW activity is plausible given the multi-sea Turkish exercise but is unconfirmed in open sources.

Sources

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