Earthquake alerts were issued for a seismic event in the Japan Sea region on April 20, 2026, with the first report indicating a magnitude of 4.7 and the final report indicating a magnitude of 4.4.

Public SafetyApr 20, 2026score 0.172 posts · 0 replies across 1 instances

The thread reports on two earthquake alerts in the Japan Sea, providing details about the magnitude, depth, and estimated maximum intensity of the tremors. The information is factual and serves to inform the public about seismic activity in the region.

Claims

Parent: Natural DisastersEntity: Earthquake alertsImpact: neutralDate: Apr 20, 2026 - Apr 23, 2026Target: Earthquake alerts

Source posts

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■■緊急地震速報(第1報)■■ 三陸沖で地震 最大震度 2(推定) [詳細] 2026/04/20 17:30:07発生 M4.7 深さ 20km #earthquake

0 boosts · 0 favs · 0 replies · Apr 20, 2026

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■■緊急地震速報(最終報)■■ 三陸沖で地震 最大震度 2(推定) [詳細] 2026/04/20 18:06:59発生 M4.4 深さ 20km #earthquake

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■■緊急地震速報(最終報)■■ 三陸沖で地震 最大震度 3(推定) [詳細] 2026/04/20 21:56:46発生 M5.6 深さ 20km #earthquake

0 boosts · 0 favs · 0 replies · Apr 20, 2026

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■■緊急地震速報(第4報)■■ 三陸沖で地震 最大震度 2(推定) [詳細] 2026/04/20 23:15:27発生 M4.7 深さ 20km #earthquake

0 boosts · 0 favs · 0 replies · Apr 20, 2026

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■■緊急地震速報(第5報)■■ 三陸沖で地震 最大震度 2(推定) [詳細] 2026/04/20 23:15:27発生 M4.7 深さ 20km #earthquake

0 boosts · 0 favs · 0 replies · Apr 20, 2026

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■■緊急地震速報(第4報)■■ 三陸沖で地震 最大震度 2(推定) [詳細] 2026/04/21 14:29:10発生 M5.1 深さ 20km #earthquake

0 boosts · 0 favs · 0 replies · Apr 21, 2026

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■■緊急地震速報(第6報)■■ 三陸沖で地震 最大震度 3(推定) [詳細] 2026/04/21 14:29:10発生 M5.4 深さ 20km #earthquake

0 boosts · 0 favs · 0 replies · Apr 21, 2026

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■■緊急地震速報(第5報)■■ 三陸沖で地震 最大震度 2(推定) [詳細] 2026/04/22 09:01:11発生 M4.7 深さ 20km #earthquake