An oil spill from a grounded, sanctioned tanker off the coast of Oman has expanded rapidly to cover roughly 390 to 800 square kilometers, threatening protected marine wildlife reserves. The vessel, identified as the Caroline Bezengi, has been stranded near Qibliyah Island following an explosion reported on June 8.
What began as a maritime distress call in early summer has evolved into a mounting environmental emergency off the Arabian Peninsula. The Caroline Bezengi, a 274-meter Suezmax tanker carrying nearly 1 million barrels of crude oil, remains grounded and increasingly submerged off the rocky coastline of Qibliyah Island in southwest Oman. Satellite imagery reviewed by international monitors reveals that crude oil is leaking and spreading quickly across the region, putting vulnerable marine ecosystems on high alert.
Discrepancies in Spill Size and Satellite Tracking
Monitoring organizations and state authorities report differing measurements for the spreading slick, reflecting the challenges of tracking oil drift during peak monsoon season. Oman’s government stated that an oil slick covered an area of approximately 390 square kilometers, extending northeast from the Hallaniyat Islands toward the mainland and coming within seven kilometers of the shore at its nearest point. Meanwhile, environmental groups tracking the disaster via satellite data report even larger footprints. Wim Zwijnenburg of PAX, a Dutch organization tracking environment in conflicts, noted that a spill of oil sheen covered nearly 800 square kilometers as of August 7.
Greenpeace Germany offered a detailed timeline of the expansion. Nina Noelle, an environmental disaster expert with the group, stated that satellite imagery indicated the spill covered 45 square kilometers up until July 26, expanding to around 150 square kilometers by August 2, and reaching roughly 600 square kilometers by August 4. Thick black patches of oil had reached the southern and western shores of Qibliyah Island. Zwijnenburg observed that while parts of the slick consisted of a thin, easily dispersed oil sheen stretching up to 90 kilometers long, heavy oil had fouled local coastlines.
Sanctions, Shadow Fleets, and the Black Sea Origin
The crippled vessel operates within a controversial sphere of global maritime trade. The Caroline Bezengi is part of Russia’s shadow fleet, which utilizes aging and often poorly maintained tankers to circumvent Western sanctions on Russian oil exports. The United Kingdom, the European Union, Canada, and Switzerland have imposed sanctions on the tanker for activities intended to destabilize Ukraine or support the Russian government. Geospatial data from SynMax Maritime indicates that the Cameroon-flagged tanker loaded its cargo and left the Black Sea port of Novorossiysk in Russia in May before sustaining damage in the Arabian Sea.
Maritime security sources reported that the vessel’s crew first signaled difficulties on June 8 off the southern Yemeni port of Mukalla following an onboard blast. The ship last transmitted a public AIS tracking signal on June 11. Greenpeace Germany and other reports indicate that the ship’s owners are based in Shanghai. Prior to the grounding, Oman’s Ministry of Transport, Communications and Information Technology had ordered the owners to remove the ship and its cargo by July 23, though it remains unclear whether the owners responded to the directive.
Threats to Marine Reserves and Protected Wildlife
The unfolding disaster threatens a sensitive ecological sanctuary. The affected waters form part of the Arabian Sea reserve, a marine protected area that serves as a vital habitat for endangered wildlife, including petrels and the rare Arabian Sea humpback whale. Environmental experts warn that prolonged leakage from the deteriorating hull poses severe risks to these coastal ecosystems. Greenpeace Germany warned of an imminent risk of an unprecedented oil disaster from a broken tanker, urging immediate international action and assistance.
Omani Response and Unresolved Salvage Efforts
Oman’s Environment Authority stated that authorities are utilizing satellite images, field surveys, and technical models to observe the area and tackle the leak near the Hallaniyat Islands. Officials confirmed that response teams remain ready to implement necessary procedures to mitigate impacts on marine life and navigation safety. However, major questions remain regarding active containment. It is not immediately clear whether Omani authorities have successfully boarded the vessel or whether active salvage operations are underway to secure the remaining crude oil.
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