After the ceasefire agreement, the Strait of Hormuz is tense once again — the "maritime chokepoint" shaking Japan's fuel, logistics, and prices

After the ceasefire agreement, the Strait of Hormuz is tense once again — the "maritime chokepoint" shaking Japan's fuel, logistics, and prices

Strait of Hormuz Tensions Rise Again—The "Maritime Choke Point" Shaking Japan's Fuel, Logistics, and Prices

Iran has announced the re-closure of the Strait of Hormuz. According to an article by dpa-AFX reported by a German financial information site, Iran's central military command has expressed its intention to once again block the passage of all vessels, citing the failure to uphold the ceasefire in southern Lebanon included in the framework agreement between the U.S. and Iran, as well as the military presence of Israeli forces in southern Lebanon.

However, it is important to note that "Iran declaring a blockade" and "an actual complete blockade being in place" are not the same. The U.S. military has countered, stating that passage through the Strait of Hormuz continues and that they are monitoring to ensure freedom of navigation. In other words, the current crisis is not only about military actions but also involves a "war of information" and "market war," where declarations, threats, effective control, decisions by shipping companies, insurance premiums, and the psychology of the crude oil market overlap.

Still, for Japan, this news cannot be dismissed as a distant Middle Eastern event. The Strait of Hormuz is a crucial point for energy transportation connecting the Persian Gulf and the Indian Ocean. The U.S. Energy Information Administration has positioned this strait as the world's most important oil transportation chokepoint. Japan relies heavily on the Middle East for its crude oil, with the Agency for Natural Resources and Energy indicating that the dependency on the Middle East for Japan's crude oil imports in fiscal 2023 is 94.7%. This is an extremely high level compared to the U.S. and European OECD countries.

In other words, every time the Strait of Hormuz becomes unstable, Japan faces questions like "Will the crude oil arrive?" "How much will it cost?" and "Will alternative procurement be timely?" The recent announcement by Iran has reignited these concerns.

The Crisis Originates from Lebanon's Situation and Ceasefire Violations

The direct reason cited by Iran for the blockade declaration is the failure to uphold the ceasefire in southern Lebanon. According to the article, Hezbollah and the Israeli military are accusing each other of ceasefire violations. Hezbollah is a significant ally for Iran in the region, and the situation in Lebanon is deeply tied to Iran's security strategy.

The complexity of the Middle East situation lies here. Even with a framework agreement between the U.S. and Iran, Israel, Hezbollah, Lebanon, Gulf countries, shipping companies, insurance markets, and energy companies operate under different logics. Military clashes in one location can shake maritime traffic elsewhere and further impact global crude oil prices.

For Iran, the Strait of Hormuz is a powerful card both militarily and diplomatically. Even if they do not completely control the strait, merely indicating the possibility of a blockade causes shipping companies to be cautious, and tanker operation decisions become more prudent. If insurance premiums rise, transportation costs increase. If transportation is delayed, it affects procurement plans for refineries, power companies, and chemical manufacturers. The market reacts not only to "whether it is actually closed" but also to the risk of "it might close."


For Japan, the Biggest Issue is Not "Distance" but "Dependency"

The Strait of Hormuz is far from Japan. However, in terms of energy structure, the distance is extremely close. Japan can produce almost no crude oil domestically, and its import sources are heavily skewed towards the Middle East. According to the Agency for Natural Resources and Energy, Japan's crude oil self-sufficiency rate has long been below 0.5%, with Middle East dependency exceeding 90% of its imports.

Due to this structure, tensions in the Strait of Hormuz are directly linked to Japan's gasoline prices, aviation fuel, diesel, kerosene, electricity rates, logistics costs, and even supply concerns for petrochemical products. The impact is not just a problem for car users. Fields that use oil as a raw material or fuel are wide-ranging, including truck transportation, fishing, agriculture, construction, medical supplies, packaging materials, resins, paints, and chemical fibers.

On social media, there are reactions not only about "gasoline becoming more expensive" but also concerns like "will logistics stop?" "will naphtha shortages affect manufacturing?" and "the impact on electricity bills is scary." Especially concerns about logistics, construction, and chemicals indicate that this crisis affects not only consumers' wallets but also companies' supply chains.


The Argument of "We Have Reserves, So It's Okay" and Its Limitations

On social media, there are many voices saying, "Japan has oil reserves, so there's no need to panic immediately." This is partly true. The Agency for Natural Resources and Energy states that as of February 2026, Japan has about eight months' worth of oil reserves. These reserves consist of national reserves held by the government, private reserves held by private companies as an obligation, and joint reserves with oil-producing countries like the UAE, Saudi Arabia, and Kuwait.

In fact, in past responses, the Japanese government has decided to release national reserve crude oil. Amid a significant reduction in crude oil imports from the Middle East, they have shown a stance of utilizing reserves to ensure a stable supply of petroleum products. Reserves are the last line of defense in Japan's energy security.

However, the fact that "there are reserves" does not mean that "prices won't rise," "logistics won't be affected," or "all industries will operate as usual." Reserves are a mechanism to alleviate concerns about quantity, not a panacea that solves everything from market prices, transportation costs, refinery operations, to the supply-demand of each type of petrochemical raw material.

For example, the nature of crude oil varies by production area. Depending on whether it is heavy or light, or has high or low sulfur content, there are types that are easier or harder to process at domestic refineries. Even if alternative procurement sources are expanded to the U.S. or Latin America, issues of transportation distance, arrival timing, price, and refining suitability remain. Furthermore, if there is a shortage of not only crude oil but also petrochemical raw materials like naphtha, it could have a chain reaction affecting packaging materials, medical supplies, agricultural materials, and electronic component-related materials.

Therefore, the reactions on social media of "we have reserves, so stay calm" and "reserves alone are not reassuring" both capture parts of reality. While short-term panic should be avoided, caution is needed as prolonged issues could have widespread impacts on the Japanese economy.


U.S. Counters with "Passage Continues," Highlighting the Importance of Information Assessment

What should be noted in this news is the discrepancy between Iran's announcement and the U.S. explanation. Reports from Reuters and others indicate that while Iran announced the closure of the Strait of Hormuz, the U.S. Central Command claims commercial vessel passage continues. The U.S. side also asserts that Iran does not completely control the strait.

This discrepancy is reflected in reactions on social media. There are skeptical views such as "Is it really blocked?" "Is it a declaration to shake the market?" and "If the U.S. is keeping it open, isn't the actual impact limited?" On the other hand, some voices suggest that if shipping companies deem it dangerous and avoid it, it could have effects close to an actual blockade.

In modern chokepoint crises, a blockade is not only about warships physically blocking a strait. If mines, drones, missiles, capture risks, insurance premium spikes, military activities around ports, and voluntary avoidance by shipping companies overlap, the actual volume of passage decreases. In other words, even if a strait is "open" formally, it can become "difficult to pass through" commercially.

For Japanese readers, it is important not to be swayed by breaking news or sensational headlines on social media, and to distinguish which information is a "declaration," which is the "actual passage situation," and which is a "market forecast."


It's Not Just Gasoline Prices, But Also Electricity Bills and Logistics Costs

The first thing that tends to be noticed in Japan is gasoline prices. Since it is directly connected to commuting, delivery, travel, and local life, there is a strong reaction on social media like "Is gasoline going up again?" Especially in rural areas where car dependency is high, rising gasoline prices directly impact household finances.

However, a bigger issue is logistics costs and electricity bills. If diesel prices rise, truck transportation costs increase. Transportation costs could be passed on to the prices of food, daily necessities, building materials, and industrial products. The rise in fuel costs also affects fishing and agriculture, potentially impacting food prices.

Regarding electricity, not only crude oil but also the market psychology of other fuels like LNG and coal is affected. The Agency for Natural Resources and Energy states that LNG procurement has diversified more than crude oil, with Middle East dependency at about 10%. Additionally, as of March 1, 2026, power and gas companies hold nearly 4 million tons of LNG inventory, equivalent to a year's worth of LNG imports delivered via the Strait of Hormuz. Thus, while LNG is not as directly dependent on the Middle East as crude oil, the fear of rising energy prices worldwide remains.

On social media, there are also spreading voices like "I'm worried about not just gasoline but also electricity bills" and "If logistics costs rise, it will affect all prices." For consumers, it is not just the price display at gas stations but also the reflection in electricity bills, delivery charges, food prices, and dining out prices a few months later that may be less visible and increase the sense of burden.


Companies Waver Between the "Risk of Holding Inventory" and "Risk of Not Holding It"

The Strait of Hormuz crisis forces difficult decisions on corporate management. If companies increase inventory fearing shortages of raw materials and fuel, warehouse costs and financial burdens increase. However, if they do not hold inventory and supply is disrupted, it could lead to production halts and delivery delays.

On social media, there are also reactions expressing concern about the impact on logistics and construction sites. In the construction industry, not only fuel but also many petroleum-derived materials like resins, insulation, paints, adhesives, and piping materials are used. In medical and agricultural fields, petroleum chemical products are used in packaging, containers, films, tubes, and hygiene products. The concern about naphtha shortages is due to such backgrounds.

The Japanese government has also set up information provision windows concerning fuel oil, lubricants, and petroleum-derived chemicals and products, showing a stance of addressing supply bottlenecks, hoarding, and unsold inventory. This indicates that the crisis is not merely a "crude oil price" issue but a supply network issue for each petroleum product.


What Should Japan Do—Short-term Reserves, Long-term Structural Reform

In the short term, the government and companies need to calmly manage inventory, reserves, alternative procurement, shipping information, and price pass-through measures. Consumers should also avoid panic buying or excessive anxiety based on uncertain information on social media. Hoarding of fuel and daily necessities could lead to confusion in logistics and sales sites.

On the other hand, in the long term, discussions on revising Japan's energy structure itself cannot be avoided. A state where over 90% of crude oil dependency is on the Middle East shakes the Japanese economy every time geopolitical risks rise. Of course, diversifying crude oil procurement sources is not easy. It involves quality, price, long-term contracts, transportation distance, refinery specifications, and diplomatic relations.

Nevertheless, it is necessary to realistically combine a wide range of options, including renewable energy, nuclear power, energy conservation, storage batteries, synthetic fuels, hydrogen and ammonia, electrification, logistics efficiency, and alternatives to petrochemical raw materials. Simply depleting reserves during each crisis will only repeat the same problem.


The Layers of Anxiety Reflected in Social Media Reactions in Japan

The reactions on social media can be broadly divided into four main layers.

First, there is the anxiety about life defense. Reactions like "Gasoline is going up again," "Electricity bills are scary," and "High prices are piling on" are seen. This is the most intuitive concern about the impact on household finances.

Second, there is the expectation for reserves. Posts encouraging calmness with "Japan has reserves" and "It's not going to run out immediately" are present. While important to prevent panic, it is also necessary to understand the limitations of reserves.

Third, there is concern about the supply chain. Voices pointing out the impact on logistics, construction, medical, agriculture, and petrochemical products are present. This perspective views the crisis not just as a "gasoline price" issue but as a "lifeblood of industry" issue.

Fourth, there is skepticism about information. Views like "Is it really blocked?" "The U.S. says passage continues," and "Is it a market-manipulative announcement?" are present. Amid Iran's declaration and the U.S. counterarguments, reactions seeking to scrutinize information are spreading.

These four reactions all reflect the reality of Japanese society. Households are sensitive to high prices, companies are anxious about logistics and raw materials, and the government is required to respond on both the reserve and diplomatic fronts.


Not a Distant Strait, but Part of Japan's Life Infrastructure

The Strait of Hormuz is distant on the map. However, within Japan's energy supply network, it is an extremely close location. Tensions arising there ripple through gasoline prices, electricity rates, logistics costs, product prices, corporate profits, and consumer psychology over weeks to months.

The recent blockade declaration by Iran has differing views on its effectiveness with the U.S., and it is not yet a stage to definitively declare a complete supply halt. However, the tension surrounding the strait affecting market and shipping decisions alone makes Japan's anxiety a reality.

What Japan needs is a stance that neither fears excessively nor is overly optimistic. Reserves exist. However, reserves alone cannot protect all prices and supply chains. Alternative procurement is progressing. However, it takes cost and time. The government is responding. However, if prolonged, bottlenecks in each industry may arise.

The Strait of Hormuz crisis poses a larger question than just "how much will gasoline rise today." It questions how much Japan entrusts its living infrastructure to the political and military risks of distant regions, and how to reduce those risks.


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