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A magnitude 7.7 earthquake occurred off the coast of Sanriku, Japan, with a depth of 19-20 km, leading to the issuance of tsunami warnings and emergency earthquake alerts.

Public SafetyApr 20, 2026score 0.302 posts · 1 replies across 1 instances
The thread discusses a strong earthquake with a magnitude of M7.7 that occurred off the coast of Sanriku, Japan, at a depth of 19-20 km. It mentions the issuance of tsunami warnings and emergency earthquake alerts. The posts provide factual details about the earthquake's characteristics and the associated safety measures.

Claims

A magnitude 7.7 earthquake occurred off the coast of Sanriku, Japan, with a depth of 19-20 km, leading to the issuance of tsunami warnings and emergency earthquake alerts.
Parent: Natural DisastersEntity: Earthquake in SanrikuImpact: negativeDate: Apr 20, 2026Target: The occurrence and impact of the earthquake and associated tsunami warnings.

Source posts

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ℹ️ 最大震度5強 震源･震度情報 20日16時52分頃発生 震源三陸沖/深さ19km/規模M7.7 津波警報等（大津波警報・津波警報あるいは津波注意報）を発表中です。 この地震について、緊急地震速報を発表しています。
1 boosts · 0 favs · 1 replies · Apr 20, 2026
@[email protected]
ℹ️ 最大震度5強 震源･震度情報 20日16時52分頃発生 震源三陸沖/深さ20km/規模M7.7 津波警報等（大津波警報・津波警報あるいは津波注意報）を発表中です。 この地震について、緊急地震速報を発表しています。
0 boosts · 0 favs · 0 replies · Apr 20, 2026
@[email protected]
ℹ️ 最大震度5強 震源･震度情報 20日16時52分頃発生 震源三陸沖/深さ20km/規模M7.7 津波警報等（大津波警報・津波警報あるいは津波注意報）を発表中です。 この地震について、緊急地震速報を発表しています。
0 boosts · 0 favs · 1 replies · Apr 20, 2026