Fukuoka Submits Petition to Become Japan’s ‘Secondary Capital’ — 5ch: ‘That’s Less a Backup, More a Front-Line Base’

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The story

On September 5, Fukuoka Governor Seitaro Hattori, together with the mayors of Fukuoka City and Kitakyushu City, submitted a petition to the government seeking designation as a “secondary capital” — a stand-in for the capital’s functions in the event of a disaster. The petition was received by the minister in charge of promoting secondary capital development. The secondary capital concept gained real momentum as an extension of the “Osaka Metropolis Plan” championed by the Osaka Ishin no Kai, and besides Fukuoka, several other municipalities — including Hokkaido, Aichi, and Hiroshima — have also put themselves forward as candidates. On 5ch, the thread ranged from whether Fukuoka is actually suitable from a disaster-preparedness standpoint, to comparisons with other candidate regions like Osaka.

On the “secondary capital” concept, which would back up Tokyo’s capital functions during a disaster or other emergency:

On September 5, Fukuoka Governor Hattori and others submitted a petition to the government calling for the prefecture to be designated the secondary capital.

On the 5th, three officials — Fukuoka Governor Hattori, Fukuoka City Mayor Takashima, and Kitakyushu City Mayor Takeuchi — appeared together at the Ministry of Internal Affairs and Communications in Tokyo. The three jointly handed Minister Fujii, who oversees secondary capital development promotion, a petition calling for realizing “Fukuoka Prefecture as secondary capital.”

Source: news.yahoo.co.jp / Original article here

What people said

2AnonymousOct 5, 2026 22:56
That's less a backup, more a front-line base.
182AnonymousOct 6, 2026 00:45
Re: #2
During the First Sino-Japanese War, the Imperial Headquarters relocated to Hiroshima and it became a front-line command post, you know.
24AnonymousOct 5, 2026 23:03
Once the budget's approved, they'll probably head to Hawaii for an 'inspection trip' to work out the secondary capital plan, right?
197AnonymousOct 6, 2026 01:07
Re: #24
You know exactly how it works, lol
72AnonymousOct 5, 2026 23:20
Even if the Nankai Trough or a Tokai megaquake hits, northern Kyushu's coastal cities have a good chance of keeping their industry and functions intact.
Though if Mt. Aso erupts, it's game over for Japan anyway — so let's just set that scenario aside.
80AnonymousOct 5, 2026 23:23
Re: #72
The disaster angle is just a pretext for pushing the secondary capital plan, so it's pointless. Osaka and Aichi are arguably the riskiest of all.
81AnonymousOct 5, 2026 23:25
Fukuoka City, sort out your subway and rail network a bit first.
96AnonymousOct 5, 2026 23:33
Re: #81
That kind of thing doesn't matter anyway — this only really moves with Osaka at the center. Everywhere else is just bait to get more municipalities on board with the secondary capital idea.
99AnonymousOct 5, 2026 23:39
Re: #96
You're seeing it right. This whole thing started because Osaka Ishin wanted to push the secondary capital plan and dragged other municipalities into it. Any city jumping on this bandwagon is a fool, lol
116AnonymousOct 5, 2026 23:46
Re: #99
I see that too… and I see they want to get it done while the Takaichi administration is in power.

That said, if it ends up being Fukuoka, Hokkaido, or Aichi instead of Osaka, that'd actually be interesting.
So I'm not against the secondary capital idea itself.
104AnonymousOct 5, 2026 23:41
I think eastern Japan would be better. If you make the secondary capital a city in western Japan — where power can't easily be shared across the grid — people in eastern Japan won't accept being stuck with rolling blackouts because of it.
158AnonymousOct 6, 2026 00:19
Re: #104
During the Great East Japan Earthquake, power-sharing broke down and there were rolling blackouts everywhere, remember?

In the first place, Kansai Electric is the dominant player in the power industry — eastern Japan's power situation, hamstrung by its nuclear plants, is expensive and weak to begin with.

<Market Cap>
1. Kansai Electric Power — approx. ¥2.99 trillion
2. Chubu Electric Power — approx. ¥1.95 trillion
3. Tokyo Electric Power — approx. ¥1.14 trillion
124AnonymousOct 5, 2026 23:51
You'd think the question would be whether "Fukuoka Metropolis" gets placed in Fukuoka City or Kitakyushu City, right?

But plot twist — the secondary capital government building goes in Tagawa City.
162AnonymousOct 6, 2026 00:24
Re: #124
Given the big names in the current administration, it might actually end up in Iizuka.
163AnonymousOct 6, 2026 00:26
Re: #124
Terrible access, lol
189AnonymousOct 6, 2026 00:59
Re: #124
And now, here's footage of the secondary capital's Coming-of-Age Day ceremony!
127AnonymousOct 5, 2026 23:56
Everyone's saying Fukuoka or Sapporo, but just put it in Niigata.

And while you're at it, tear down Kasumigaseki (Tokyo's central government district) and scatter it across the regions.
129AnonymousOct 5, 2026 23:58
Re: #127
Niigata's not a bad shout actually — it's got a big plain.
137AnonymousOct 6, 2026 00:04
Re: #127
No good — too exposed to invasion from China or North Korea.
142AnonymousOct 6, 2026 00:08
Putting the secondary capital in disaster-prone Kyushu is outrageous.
194AnonymousOct 6, 2026 01:00
Re: #142
Well, if a disaster hits Kyushu first, I'd want secondary-capital Fukuoka to take full responsibility for the recovery.
187AnonymousOct 6, 2026 00:58
Considering the risks of a Nankai Trough quake or a Mt. Fuji eruption, Fukuoka is the only way to go.
188AnonymousOct 6, 2026 00:59
Re: #187
Forgetting about typhoons, are we?

Background and Key Points of This Debate

“Secondary capital” isn’t a legally defined status — it’s still at the stage where multiple municipalities are voluntarily putting themselves forward as backup locations for capital functions. The debate gained real traction as an extension of the “Osaka Metropolis Plan” championed by Osaka Ishin no Kai, and besides Fukuoka, candidates include Hokkaido, Aichi, Hiroshima, and Miyagi, though there’s no unified selection criteria. The thread split between those arguing priority should go to regions with lower risk from major disasters like the Nankai Trough earthquake, and those countering that Kyushu itself faces earthquake, volcanic, and typhoon risks — a question that really calls for expert disaster-risk assessment rather than being settled by internet impressions alone.

*This article is excerpted and summarized from the 5ch (News Speed+) thread “Petition Submitted for Realizing ‘Fukuoka Prefecture as Secondary Capital’.”

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