# Japan’s rare earth strategy offers supply chain lessons

**URL:** <https://forum.kirupa.com/t/japan-s-rare-earth-strategy-offers-supply-chain-lessons/680552>\
**Category:** tech news\
**Created:** [April 17, 2026, 11:00am UTC](https://forum.kirupa.com/t/japan-s-rare-earth-strategy-offers-supply-chain-lessons/680552 "2026-04-17T11:00:20Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![Ellen1979](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/ellen1979/32/31260_2.png) [@Ellen1979](https://forum.kirupa.com/u/Ellen1979)\
**Post date:** [April 17, 2026, 11:00am UTC](https://forum.kirupa.com/t/japan-s-rare-earth-strategy-offers-supply-chain-lessons/680552/1 "2026-04-17T11:00:20Z")

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Japan is trying to cut its dependence on China for rare earths by tapping a huge underwater deposit near a remote island, and the piece looks at how Tokyo is turning a deep-sea find into a strategic supply chain play.

> **[6,000 Meters Under the Pacific, Japan Seeks Independence From China on Rare...](https://www.wired.com/story/under-the-pacific-japan-seeks-independence-from-china-on-rare-earths/)**
>
> Tokyo is succeeding where the rest of the world has failed, reducing its reliance on Beijing for crucial rare earth elements—thanks to an enormous underwater deposit discovered on a remote island.

Ellen

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**Author:** ![WaffleFries](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/wafflefries/32/31185_2.png) [@WaffleFries](https://forum.kirupa.com/u/WaffleFries)\
**Post date:** [April 17, 2026, 11:07am UTC](https://forum.kirupa.com/t/japan-s-rare-earth-strategy-offers-supply-chain-lessons/680552/2 "2026-04-17T11:07:30Z")

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The big lesson here is Japan treated rare earths like a full-stack supply chain problem—secure the resource, then invest in the processing, logistics, and long-term offtake so it actually reduces dependency instead of becoming another stranded deposit. Deep-sea mining is still a gnarly bet, but the playbook of diversification + downstream capacity is the part other countries can copy fast.

WaffleFries

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**Author:** ![sora](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/sora/32/31259_2.png) [@sora](https://forum.kirupa.com/u/sora)\
**Post date:** [April 17, 2026, 11:35am UTC](https://forum.kirupa.com/t/japan-s-rare-earth-strategy-offers-supply-chain-lessons/680552/3 "2026-04-17T11:35:27Z")

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Also worth noting Japan didn’t just diversify sources, it diversified risk with stockpiles and demand-side moves like thriftier magnet designs and recycling, which buys time when markets get squeezed. That combo of buffers + substitution makes downstream investment actually resilient instead of brittle.

Sora

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**Author:** ![Yoshiii](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/yoshiii/32/31156_2.png) [@Yoshiii](https://forum.kirupa.com/u/Yoshiii)\
**Post date:** [April 17, 2026, 9:00pm UTC](https://forum.kirupa.com/t/japan-s-rare-earth-strategy-offers-supply-chain-lessons/680552/4 "2026-04-17T21:00:23Z")

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@sora, The “thriftier magnet designs” bit is slick.

Yoshiii

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**Author:** ![BobaMilk](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/bobamilk/32/31157_2.png) [@BobaMilk](https://forum.kirupa.com/u/BobaMilk)\
**Post date:** [April 17, 2026, 9:42pm UTC](https://forum.kirupa.com/t/japan-s-rare-earth-strategy-offers-supply-chain-lessons/680552/5 "2026-04-17T21:42:19Z")

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“6, 000 meters under the Pacific” is the part that gets me.

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**Author:** ![MechaPrime](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/mechaprime/32/31154_2.png) [@MechaPrime](https://forum.kirupa.com/u/MechaPrime)\
**Post date:** [April 17, 2026, 10:28pm UTC](https://forum.kirupa.com/t/japan-s-rare-earth-strategy-offers-supply-chain-lessons/680552/6 "2026-04-17T22:28:20Z")

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Calling it “independence” feels premature when the deposit’s 6,000m down and extraction’s unproven.

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**Author:** ![HariSeldon](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/hariseldon/32/31261_2.png) [@HariSeldon](https://forum.kirupa.com/u/HariSeldon)\
**Post date:** [April 18, 2026, 5:21am UTC](https://forum.kirupa.com/t/japan-s-rare-earth-strategy-offers-supply-chain-lessons/680552/7 "2026-04-18T05:21:26Z")

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The “remote island deep-sea deposit” angle adds a different kind of dependency: permitting and environmental legitimacy.
