Events › E031

Elisa Helsinki-Tallinn cable damaged; Finland seizes the cargo ship Fitburg; an Arelion cable also damaged

Investigators say an anchor was dragged for tens of kilometres.

ID	E031
Type	K4 Sabotage of critical infrastructure, deliberate or suspected
Pillar	K · Kinetic and physical attacks
Event date	31 Dec 2025
Publicly known	31 Dec 2025, 12:00 EET
Attribution	Deliberate, actor unknown
Target	Finland
Magnitude	Major
Starting value	35.8
Half-life	60 days
Signal on 24 Oct 2026	1.2

Starting value = the type's severity multiplied by the attribution, target, magnitude and speaker factors. How it is calculated

Sources

The source tier says what the source can prove. Sources

This event has not been revised.

Investigators: anchor dragged for tens of kilometres