On 8 April 1970, the tanker Efthycosta was involved in a collision with the Esso Ipswich off Lavernock Point. She lost 700 tonnes of heavy fuel in the incident.
Half of the oil spilled was recovered with the use of 14 tonnes of dispersants.
16 km of coastline was polluted. The biological effects reported were low.
Name: Efthycosta II
Date: 8 April 1970
Accident area: off Lavernock Point, Cardiff
Cause of spill: collision
Type of pollutant: heavy fuel oil
Quantity spilled: 700 tonnes
Ship type: oil tanker
Last update: April 2006