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Two earthquakes with magnitudes M4.4 and M4.8 occurred near the Sanriku coast, both with a depth of 10km.

Public SafetyWeatherConflictApr 20, 2026score 0.172 posts · 0 replies across 1 instances
The thread reports two earthquakes occurring near the Sanriku coast, with magnitudes M4.4 and M4.8, both with a depth of 10km. Both events have triggered tsunami warnings. The information is provided by the Japan Meteorological Agency.

Claims

Two earthquakes with magnitudes M4.4 and M4.8 occurred near the Sanriku coast, both with a depth of 10km.
Parent: Natural DisastersEntity: EarthquakesImpact: neutralDate: Apr 20, 2026Target: The occurrence and magnitude of the earthquakes
Tsunami warnings have been issued following the earthquakes near the Sanriku coast.
Parent: Tsunami WarningsEntity: Tsunami AlertsImpact: neutralDate: Apr 20, 2026Target: The issuance of tsunami warnings

Source posts

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ℹ️ 最大震度1 震源･震度情報 20日18時6分頃発生 震源三陸沖/深さ10km/規模M4.4 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。
0 boosts · 0 favs · 0 replies · Apr 20, 2026
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ℹ️ 最大震度2 震源･震度情報 20日18時49分頃発生 震源三陸沖/深さ10km/規模M4.8 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。
0 boosts · 0 favs · 0 replies · Apr 20, 2026