The International Energy Agency (IEA) has confirmed that the closure of the Strait of Hormuz constitutes the most severe disruption to global oil supplies on record, cutting off approximately 8 million barrels per day (8% of global supply) in March. In an immediate response to stabilize volatile markets, member nations have orchestrated the largest coordinated release of strategic reserves in history, totaling 400 million barrels.
This unprecedented event now tops the list of historical oil shocks, surpassing previous major crises:
- The 1973-1974 Arab Oil Embargo: Triggered by the Yom Kippur War, OAPEC producers slashed output and embargoed Western nations supporting Israel. The US faced shortages of 2-3 million bpd, and prices nearly quadrupled from $2.90 to $11.65 per barrel, leading to the creation of the IEA itself.
- The 1978-1979 Iranian Revolution: The collapse of the Shah’s government removed 4.8 million bpd from the market (7% of global supply). Prices more than doubled by 1980, fueling US inflation and contributing to a severe recession.
- The 1990-1991 Gulf Crisis: Iraq’s invasion of Kuwait removed 4.3 million bpd from markets. The IEA activated its first coordinated emergency response, preparing 2.5 million bpd for release as prices jumped from $17 to $36 per barrel.
- Hurricanes Katrina and Rita (2005): Consecutive hurricanes slammed the US Gulf Coast, shutting in up to 1.53 million bpd of production. The US loaned crude from the Strategic Petroleum Reserve and participated in a 30-million-barrel IEA coordinated release.
- 2022 Russian Invasion of Ukraine: The ensuing scramble to replace Russian supplies caused prices to spike over 50%, reaching levels not seen since 2008. The US responded by releasing 180 million barrels from reserves and implementing price caps to limit Russian revenue.
