820/26

SÉCURITÉ

Seismographic survey in Ionian Sea by RV Sarmiento de Gamboa, 19 Jun-29 Jul 2026

No longer in forceReceived 21 Jun 2026, 00:00 UTCArchived 31 Oct 2026, 12:08 UTC

Warning text

Positions open on the map

NAVWARN 820/26 NAVWARN 772/2026 CANCELED IONIAN SEA. SEISMOGRAPHIC SURVEY. BY RV SERMIENTO DE GAMBOА FROM 19 JUNE 2026 UNTIL 29 JULY 2026 IN THE SEA AREA BOUNDED BY: 39 21 46N – 020 11 45E 39 23 28N – 019 10 22E 38 48 01N -018 59 57E 36 29 56N – 018 59 57E 35 13 29N – 021 41 40E 34 48 36N – 021 41 49E 34 42 49N – 021 58 33E 35 03 41N – 022 02 24E 36 37 07N – 022 19 41E WIDE BERTH REQUESTED 3NM

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Analysis

No longer in force

Cancelled by 946/26 (archived)

A seismographic (seismic) survey is conducted in the Ionian Sea by RV SERMIENTO DE GAMBOА. The survey area is defined by a polygon of positions given in the warning. The survey was scheduled from 19 June 2026 until 29 July 2026. Vessels are requested to give a wide berth of 3 NM.

Type: Survey operations · severity moderate
Feed: Survey operationsAll warnings of this kind on the map, or as an API feed.
Location: Ionian Sea
Validity: From 19 Jun 2026, 00:00 UTC
Until 29 Jul 2026, 23:59 UTCFROM 19 JUNE 2026 UNTIL 29 JULY 2026
Activity periods: 19 Jun 2026, 00:00 UTC - 29 Jul 2026, 23:59 UTC (Survey period)
Hazards: seismographic survey, towed seismic gear
Cancels: NAVWARN 772/2026

Worked out automatically from the warning text on 28 Sept 2026, 06:37 UTC. It can be wrong: the official warning text is the authority.

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This warning's analysis also has:

Action for mariners
Keep-clear distance
Ships named
Translations
Nearby lights and rescue centres

The action for mariners, the keep-clear distance, contacts, ships named, translations and the nearby lights and rescue centres come with Lagom and every higher plan, and with the API plans. The official warning text above is always free.

See the plans

Keywordswide berth requested

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