Earthquake off the coast of northern Japan – 9 Nov 2025

A powerful earthquake struck off the coast of Iwate Prefecture in northern Japan at about 5:03 p.m. local time on Sunday, 9 November 2025.

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11/10/20251 min read

Earthquake off the coast of northern Japan – 9 Nov 2025

What happened

  • A powerful earthquake struck off the coast of Iwate Prefecture in northern Japan at about 5:03 p.m. local time on Sunday, 9 November 2025. (AP News)

  • The initial magnitude was reported at around 6.7, then revised by the Japan Meteorological Agency (JMA) to ~6.9. (AP News)

  • The quake struck at a depth of approximately 16 km beneath the sea surface. (AP News)

Tsunami & coastal impact

  • A tsunami advisory was issued for coastal areas of Iwate. (Reuters)

  • Small tsunami waves of about 10–20 cm were observed in locations such as Ofunato and Kuji. (The Japan Times)

  • The advisory was lifted around three hours later when no significant waves materialised. (AP News)

Damage & effects

  • So far, no major injuries or large-scale damage have been reported. (euronews)

  • Transport systems were briefly affected: the Tōhoku Shinkansen train line had temporary suspensions due to power issues. (The Japan Times)

  • Nuclear power plants in the region were confirmed to have no immediate abnormalities. (Reuters)

Outlook & warnings

  • Authorities emphasised the possibility of strong aftershocks in the next few days. (CBS News)

  • Residents in coastal zones were urged to stay alert and avoid shoreline areas until full clearance.

If you like, I can check detailed seismic data, which exact municipalities felt the strongest shaking, and whether infrastructure (electricity, transport) is still disrupted. Would you like me to pull that?