Pacific isle famed for a fierce WWII flag-raising moment

This clue leads to Iwo Jima. The sections below explain what it refers to, why it matches the clue, and why it may be appearing in the current trend cycle.

Iwo Jima is one of the Japanese Volcano Islands, which lie south of the Bonin Islands and together with them make up the Ogasawara Archipelago. Together with the Izu Islands, they make up Japan's Nanpō Islands. Although 1,200 km (750 mi) south of Tokyo on Honshu, Iwo Jima is administered as part of the Ogasawara Subprefecture of the Tokyo Metropolitan Government.

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The clue points to a small Pacific island noted for an iconic photograph of U.S. Marines raising the flag; that event happened on Iwo Jima. Iwo Jima is a Japanese volcanic island far south of Tokyo, part of the Ogasawara Archipelago and administered by Tokyo Metropolis.