Oil slick from MSC Elsa 3 continues to pose threat to marine ecosystem

The satellite images of the oil slick from the sunken ship MSC Elsa 3

The prospect of oil spill from the container vessel MSC Elsa 3, operated by Mediterranean Shipping Company (MSC), which sank off the Kochi coast on the night of May 24 while en route from Vizhinjam to Kochi, continues to be a threat to the marine ecosystem as the plan for extracting oil from the ship remains uncertain.

“We observed, with the help of satellite images, that the oil slick from the ship measured approximately 9.3 km long in the sea with a visible silver/metallic reflection on June 1, and by June 9, the slick still had a length of about 2.3 km,” according to Avinash Chanchal, Deputy Program Director, Greenpeace South Asia.

According to the latest report submitted by the Directorate General of Shipping (DGS), though significant progress has been made in capping the fuel oil tanks and stabilising the wreckage, the critical oil extraction phase is pending and is dependent on weather conditions. Any further delay could push the extraction timeline dangerously close to the peak monsoon season, increasing environmental risks and limiting salvage windows.

The salvage operations have been going on under the supervision of the DGS, with coordination involving agencies including the Indian Coast Guard, State Disaster Management Authorities, shipowners, salvors, and other stakeholders. The salvors have submitted an updated oil recovery plan from the ship with an estimated time of around 24–26 days, which too is subject to weather conditions.

The offshore weather continues to present challenges. As per the latest weather forecast dated June 15, winds of 20-25 knots from the southwest persist over the southeast Arabian Sea, with poor visibility over the next 3–5 days. The DGS has directed the salvors to submit both optimistic and realistic deadlines accounting for prevailing monsoon conditions.

According to environmentalists, the shipping company must comply with its obligation to urgently remove the remainder of the oil left in the MSC Elsa 3 tanks — out of over 450 tonnes — to avoid further damage to the region’s unique marine environment and local economy. Besides, actual damage to ecosystems and local livelihoods must be duly compensated by the MSC.

The Kerala State Disaster Management Authority (KSDMA) made clear that the oil slick from the ship has been capped successfully recently by the salvors, other than minor leaks. However, the dedicated oil extraction from the ship could be completed in July, considering the prevailing weather conditions, said KSDMA sources.

Published - June 16, 2025 11:59 pm IST