Why US-Iran war over Hormuz is threatening the Gulf’s waters

The United States-Iran warfare is progressively being fought astatine sea, with some sides targeting lipid tankers and different vessels successful and astir the Strait of Hormuz.

On September 8, the US struck 5 Iranian lipid tankers, provoking an Iranian onslaught connected Jordan’s Al-Azraq airbase.

Recommended Stories

• list 1 of 4How South Korea finds itself trapped successful the US-Iran war
• list 2 of 4Saudi-Houthi warring successful Yemen escalates: What happened, and what’s next?
• list 3 of 4BRICS acme whitethorn beryllium the lone spot different Iran ceasefire tin beryllium built
• list 4 of 4Qatar says reopening Strait of Hormuz ‘unconditionally’ is simply a priority

Just 3 days earlier, the US besides deed 3 different Iranian tankers. Those strikes came aft Iran launched ballistic missiles towards a US craft bearer and a navy destroyer adjacent the Strait, according to US Central Command. Iran excessively subsequently said it had targeted 3 lipid tankers travelling done what it called an “unauthorised route” successful the Strait, arsenic good arsenic 3 US-linked vessels elsewhere.

The tit-for-tat attacks person turned Hormuz into a imaginable biology tinderbox. With tankers carrying millions of barrels of crude and petroleum products passing done oregon waiting astir the waterway, a palmy onslaught could trigger a fire, a sinking – oregon a large lipid spill.

Oil tankers trapped astir Hormuz

As of September 7, MarineTraffic information shows 42 tankers waiting to transit the Strait of Hormuz, portion hundreds of different vessels are waiting oregon moving dilatory successful the wider Gulf of Oman and Gulf region. Of those tankers, 18 are carrying oil.

While it is not known precisely however overmuch — if immoderate — crude they were carrying, these vessels person an estimated combined capableness to transportation 1.76 cardinal cubic metres of lipid and petroleum products – cargo that could beryllium astatine hazard if attacks connected commercialized shipping continue.

How overmuch lipid is that?

That — 1.76 cardinal cubic metres of crude lipid — is astir 11.1 cardinal barrels of oil, and is equivalent to astir 11 percent of the world’s regular lipid demand.

It is besides capable lipid to capable astir 714 Olympic-sized swimming pools.

Now ideate the biology damage. A large tanker onslaught oregon sinking could merchandise millions of litres of lipid into the Gulf – perchance contaminating coastlines, fisheries and fragile marine ecosystems.

And dissimilar an lipid spill connected land, lipid astatine oversea tin dispersed implicit a immense area, carried by currents and winds acold from the archetypal tract of the accident.

How galore ships person been deed successful caller days?

On September 5, US Central Command (CENTCOM) said its forces struck 3 Iranian crude-oil tankers — 1 disconnected Kharg Island, Iran’s main oil-export hub; different adjacent Jask; and a third, an unladen tanker, successful the Gulf of Oman aft its unit was ordered to wantonness ship.

The strikes marked a caller escalation successful attacks connected lipid shipping successful the region.

Since the commencement of the war, astatine slightest 75 ships person been attacked, with astatine slightest 21 seafarers killed. Of those vessels, 2 incidents person resulted successful insignificant lipid spills, portion six person caused fires.

A spill already spreading disconnected Oman

Oil has been leaking from the Caroline Bezengi since it ran aground astir 22 nautical miles (41km) disconnected Oman aft its unit reported a suspected detonation successful aboriginal June. Reuters estimates the tanker was carrying 800,000 barrels of oil.

Oman’s Environment Authority warned that the spill could impact astir 40km (25 miles) of coastline adjacent Ras Madraka, arsenic good arsenic Masirah Island.

On August 3, the Minoan Pioneer, a Liberian-flagged bulk carrier, was struck by an unidentified projectile disconnected Oman and caught fire.

Satellite imagery taken connected August 10 showed a ample slick adjacent Qeshm Island, portion different slick was detected adjacent Sirri Island. Experts said the Qeshm slick apt came from the Minoan Pioneer, but could not independently corroborate its source.

The damaged and fractional sunk lipid tanker Caroline Bezengi, astatine oversea disconnected the seashore of Oman, connected a day fixed arsenic August 6, 2026 [File: Ambrey/Handout via Reuters]

What is the interaction of tankers being attacked connected marine life?

Past conflicts similar Operation Desert Storm — successful which the US fought Iraq aft Saddam Hussein’s forces had invaded Kuwait — besides near a bequest of biology pollution.

As Iraqi forces retreated they acceptable Kuwaiti lipid wells connected fire. These burned for months, and unleashed millions of gallons of lipid into the bluish Gulf seashore which damaged Kuwaiti and Saudi Arabian coastlines for decades.

Over 770km of coastline from confederate Kuwait to Abu Ali Island successful Saudi Arabia were engulfed successful lipid and tar, wiping retired the section marine ecosystems.

Allied forces bombings and lipid slick adjacent Al Khiran astatine the Kuwaiti borderline In Saudi Arabia connected January 26, 1991. [Georges Merillon/Gamma-Rapho via Getty Images]

The harm from the lipid spill was colossal and destroyed coastline sediments, marine taxon and ecosystems.

Thirty 5 years later, the US-Israel warfare connected Iran has erstwhile again imperilled the fragile marine ecosystem. US airstrikes person pounded Iranian vessels and lipid tankers adjacent the Iranian seashore line. Iran has retaliated with akin strikes against ships and tankers from different countries.

The Gulf contains resilient coral reefs and mangrove forests that past successful 1 of the world’s hottest and astir saline marine environments.

The enclosed h2o is simply a shallow, semi-enclosed oversea supporting coral reefs, seagrass beds, mangroves, mudflats and brackish marshes.

These habitats are captious feeding and nursery grounds for fish, turtles, dugongs and migratory birds, portion supporting fisheries and protecting coastlines.

With constricted h2o speech with the wider Indian Ocean, contamination tin spot added unit connected the Gulf’s marine ecosystems.

A presumption of the vibrant underwater satellite astatine 1 of Musandam’s fashionable diving sites successful Khasab, Oman connected August 28, 2025 [Mahmut Serdar Alakus/Anadolu via Getty Images]

A survey by the University of South Florida successful June stated that based connected outer imagery, the lipid spills successful Gulf and Strait of Hormuz were 4 times arsenic overmuch successful March than the twelvemonth before.

The probe squad noted precocious instances of lipid leaks from vessels trapped successful the strait and astir trapped vessels.

Oil spills laic connected apical of the water, and harm and poison marine life, pollute the water, and smother coral reefs and mangroves.

Dr. Hussein Samh al Masroori, Associate Professor astatine Sultan Qaboos University, speaking to Al Jazeera says that lipid and petroleum hydrocarbons tin straight impact fish, corals, plankton and different marine organisms. Fish eggs and larvae tin beryllium peculiarly vulnerable.

“Sensitive habitats specified arsenic coral reefs, mangroves, seagrass beds and coastal sediments whitethorn clasp pollutants for overmuch longer,” helium says. “There tin besides beryllium indirect effects done changes successful h2o quality, food-web productivity, food organisation and perchance spawning oregon migration patterns. For fisheries, this tin construe into reduced sportfishing opportunities, higher costs and nonaccomplishment of income for coastal communities.”

Oil tin besides go trapped successful sediments, covering formation soil and mud – similar successful the lawsuit of the 1991 lipid spill disconnected the Gulf.

Oiled Seabird, Gulf Oil Spill, 1991 [Photo by Corbis via Getty Images]

Oil spills tin smother different marine life, from microscopic plankton and food larvae to coral reefs, seagrass and mangroves.

The Gulf countries chiefly trust connected desalination arsenic the superior root of h2o for the entirety of its astir 65 cardinal population. Iran besides has respective desalination plants on its confederate coast, immoderate of which person travel nether onslaught by the US. There are astir 15 cardinal radical surviving on the seashore of Iran.

Al Masoori explains further that lipid contamination adjacent seawater intakes tin impact raw-water quality, interfere with attraction processes and, successful terrible situations, necessitate impermanent operational restrictions.

“The existent hazard depends greatly connected the determination of the spill, currents, region and extent of the intake, and attraction technology.” says al Masroori.

He adds that modern monitoring, modelling and precocious attraction systems tin substantially trim the risk. The precedence is aboriginal detection truthful contaminated h2o tin beryllium prevented from entering desalination systems.