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The Japan Meteorological Agency has issued an earthquake warning indicating a higher possibility of a magnitude 8 or greater earthquake in the region.

Public SafetyWeatherApr 20, 2026score 0.272 posts · 0 replies across 2 instances
The thread discusses the issuance of an earthquake warning for the areas around Hokkaido and the Sanriku coast, indicating a higher possibility of a magnitude 8 or greater earthquake and urging disaster preparedness for a week. The information is sourced from the Japan Meteorological Agency and the Cabinet Office.

Claims

The Japan Meteorological Agency has issued an earthquake warning indicating a higher possibility of a magnitude 8 or greater earthquake in the region.
Parent: Public SafetyEntity: Earthquake WarningImpact: negativeDate: Apr 20, 2026 - Apr 21, 2026Target: The issuance of the earthquake warning and the associated risk assessment.
Residents in Hokkaido to Chiba are advised to take a week of disaster preparedness measures due to the increased risk of a major earthquake.
Parent: Disaster ManagementEntity: Disaster PreparednessImpact: neutralDate: Apr 20, 2026 - Apr 21, 2026Target: The recommended disaster preparedness measures and their effectiveness.

Source posts

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https://www.wacoca.com/news/2816986/ 【速報】「北海道・三陸沖後発地震注意情報」発表　北海道～千葉では1週間防災対応を　気象庁・内閣府（TBS NEWS DIG Powered by JNN） #BreakingNews #NEWS #ニュース速報
0 boosts · 0 favs · 0 replies · Apr 20, 2026
#breakingnews#news#ニュース速報
@[email protected]
https://www.wacoca.com/news/2817283/ 「北海道・三陸沖後発地震注意情報」発表　北海道～千葉では1週間防災対応を 「M8以上の巨大地震の可能性普段より高まる」津波警報は注意報に　気象庁・内閣府（TBS NEWS DIG Powered by JNN） #HOKKAIDO #北海道
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#hokkaido#北海道
@[email protected]
「北海道・三陸沖後発地震注意情報」発表 北海道～千葉では1週間防災対応を 「M8以上の巨大地震の可能性普段より高まる」津波警報は注意報に 気象庁・内閣府 (4/20 20:55 Yahoo!ニュース) https://news.yahoo.co.jp/articles/9e5eec7f55286629c045eab60c5d37febbf2e9f4
0 boosts · 0 favs · 0 replies · Apr 20, 2026