【緊急速報】M7.6・震度6強地震が馬産地を直撃！北海道・青森の牧場への影響と阪神JFサイン考察（ユーザー投稿まとめ）

速報

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2025.12.092026.01.23

[Updated: 2026-01-23 20:15:54] Revised by AI Assistant

Analysis by AI

BREAKING NEWS: M7.6 Earthquake with Shindo 6-Strong Strikes Japan’s Key Horse Breeding Regions! Impact on Hokkaido & Aomori Farms, Plus Hanshin JF ‘Sign Bet’ Theories (User Summaries)

Immediate Reactions and Widespread Impact of the M7.6 Earthquake
Direct Impact on Japan’s Horse Breeding Regions: Hokkaido (Hidaka & Iburi) and Aomori
Horse Racing Fans’ ‘Sign Bet’ Theories for the Hanshin Juvenile Fillies
Further Information and Sources

Immediate Reactions and Widespread Impact of the M7.6 Earthquake
Direct Impact on Japan’s Horse Breeding Regions: Hokkaido (Hidaka & Iburi) and Aomori
Horse Racing Fans’ ‘Sign Bet’ Theories for the Hanshin Juvenile Fillies
Further Information and Sources

Immediate Reactions and Widespread Impact of the M7.6 Earthquake

On the late night of December 8, 2025, a powerful earthquake, initially reported as M7.2 but later upgraded to M7.6, with a maximum intensity of Shindo 6-strong (震度6強), struck off the coast of Aomori Prefecture. Tsunami warnings, predicting waves up to 3 meters high, were immediately issued for the Pacific coastal areas of Iwate, Aomori, and Hokkaido. Online communities frequented by horse racing enthusiasts quickly became a hub for real-time reactions, with users sharing their experiences of the unusually prolonged shaking and the unsettling alert sounds.

Users reported feeling the “long duration of the shaking” and expressed feeling “nauseous.” (Posts 3, 4)
Reports also confirmed the widespread impact, with tremors felt as far away as Tokyo (Shinjuku). (Posts 6, 32, 245)
Urgent warnings were shared: “A 3-meter tsunami is extremely dangerous; evacuate immediately. Waves and tsunamis are completely different.” (Post 75)
Amidst the alerts, some questioned the severity: “It’s changed to a tsunami warning, but it won’t be as bad as 3.11, will it?” (Post 48)

Direct Impact on Japan’s Horse Breeding Regions: Hokkaido (Hidaka & Iburi) and Aomori

The earthquake’s epicenter was alarmingly close to Japan’s vital horse breeding areas: Hokkaido’s Hidaka and Iburi regions, along with Aomori Prefecture. This proximity immediately sparked widespread concern among fans for the safety of the nation’s valuable racehorses and breeding stock. Initial reports indicated that Hidaka and Abira Town – home to major operations such as Northern Farm – experienced tremors around Shindo 5-weak (震度5弱). (Posts 7, 21, 31, 106)

“The horse breeding regions were hit directly,” one user noted. (Post 7)
A common sentiment was “Forget the people, what about the horses?!” (Post 11)
“Hidaka generally experienced Shindo 5-weak,” confirmed another. (Post 31)
Particular concern arose for coastal areas like Urakawa Town and the Monbetsu Racecourse in Hidaka, due to the tsunami warnings. Evacuation activities were reported in Urakawa Town. (Posts 54, 57, 111, 166)
The well-being of specific horses undergoing treatment in Hokkaido pastures, such as “Hayatenofukunusuke” (屈腱炎 – tendonitis) and “Win Variation” (ウインバリアシオン), was a key topic of discussion. (Posts 79, 92, 168, 197)
Some fans expressed a poignant hope, “May nothing like what happened to Wagnerian’s mother occur,” recalling past tragic incidents involving the safety of breeding mares during natural disasters. (Posts 141, 142)

Horse Racing Fans’ ‘Sign Bet’ Theories for the Hanshin Juvenile Fillies

Even amidst this unfolding emergency, a unique phenomenon surfaced within online horse racing communities: discussions about “sign bets” (サイン馬券) for the eagerly anticipated G1 Hanshin Juvenile Fillies (阪神ジュベナイルフィリーズ, Hanshin JF) scheduled for the following week. This distinct aspect of “keiba-ban” (競馬板 – horse racing forum) culture saw speculation linking the disaster’s magnitude and affected place names to potential race outcomes.

Shindo 6-strong Sign: The maximum intensity, “Shindo 6-strong” (震度6強), led many to focus on the “6th gate” (6枠) or “horse number 6.” (Posts 26, 52, 70)
3-meter Tsunami Sign: The predicted tsunami height of “3 meters” (3メートル) was interpreted as a sign pointing to the “3rd gate” (3枠) or “horse number 3.” (Posts 133, 143)
Related Keywords and Associations:
- Focus on “Magnitude” (M7.6) led to suggestions for “Magnitude-sired progeny” (M産駒). (Posts 81, 159, 169, 205)
- The word “tsunami” (津波) evoked thoughts of jockey “Tsumura” (津村), with some predicting his success. (Posts 53, 151, 227)
- The urgent evacuation calls from announcers were seen by some as a “sign” for “front-running horses” (逃げ馬). (Post 88)
- Discussions also revolved around specific bloodlines, including “Deep Impact” (ディープインパクト) (Post 56) and “Kizuna progeny” (キズナ産駒). (Post 97)

※Note: The above insights are based on speculative user posts within online forums. There is no causal link between earthquakes and horse racing results. Betting on horse races should always be done at your own discretion and risk.