Qualla: Taiwan Strait

Taiwan Strait: Introduction

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit NASA, US, Public domain. In 1955, an American Air Force general drew an imaginary line down the middle of a body of water and changed the geopolitics of Asia. General Benjamin O. Davis Jr. defined the 'median line' of the Taiwan Strait, after which the United States pressured both the People's Republic of China and the Republic of China not to cross it. For six decades, military aircraft from both sides mostly honored that invisible boundary - a remarkable feat of restraint over 180 kilometers of open water. Then, in 2019, PLA warplanes crossed it for the first time in twenty years. By 2020, Beijing had formally denied the line ever existed. The Taiwan Strait, 126 kilometers wide at its narrowest point, remains one of the most dangerous bodies of water on the planet.

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Image: NASA, US | Public domain

Taiwan Strait: A Shallow Sea with Deep Consequences

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit Jpliu168, CC BY-SA 4.0. The Taiwan Strait sits entirely on Asia's continental shelf, almost nowhere exceeding 150 meters in depth. This shallowness shapes everything about it. Islands dot the waterway - Kinmen and Matsu, controlled by Taiwan, sit just kilometers from mainland China's Fujian Province coa...

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Image: Jpliu168 | CC BY-SA 4.0

Taiwan Strait: The Line That Never Was

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit 劉姝妤, CC BY-SA 4.0. The Davis Line was never a treaty, never a legal boundary, never formally acknowledged by either side. It was a tacit understanding, enforced by American pressure during the height of the Cold War. Between 1954 and 2019, military craft generally observed it, crossing only three t...

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Image: 劉姝妤 | CC BY-SA 4.0

Taiwan Strait: Waterway of the World

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit Jidanni, CC0. Beneath the geopolitical tension, the Taiwan Strait functions as one of the world's busiest shipping corridors. Nearly every vessel traveling to or from the major ports of Northeast Asia - Tokyo, Shanghai, Busan, Taipei - passes through these waters. Fishermen have worked the str...

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Image: Jidanni | CC0

Taiwan Strait: Wind and Power

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit NASA, US, Public domain. Taiwan is building major wind farms in the strait, turning the same persistent winds that once filled the sails of Chinese fishing junks into electricity. The shallow continental shelf that makes the strait so strategically vulnerable also makes it ideal for offshore wind turbine...

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Image: NASA, US | Public domain

Taiwan Strait: The Water Between

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit NASA, US, Public domain. The Taiwan Strait connects the South China Sea to the East China Sea, though which body of water it properly belongs to depends on whom you ask. The International Hydrographic Organization's current agreement places the strait's waters within the South China Sea. A proposed new e...

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Image: NASA, US | Public domain