Japan — Iwate Prefecture

Impact: Japan — Iwate Prefecture's Kuji port recorded the highest tsunami wave of 70 centimeters following the earthquake.

Impact: The 7.7-magnitude earthquake struck off the coast of northern Japan — Iwate Prefecture, leading to tsunami waves and evacuation directives for its residents.

Impact: Japan — Iwate Prefecture was directly affected by the earthquake and tsunami, with ports detecting waves and evacuation orders issued for its residents.

Impact: Japan — Iwate Prefecture was the location off whose coast the 6.1-magnitude earthquake struck, and it is an area that has been experiencing a series of recent tremors.

Impact: Japan — Iwate Prefecture's Pacific coast was among the prefectures that could see a tsunami, and Kuji port in Japan — Iwate Prefecture measured a tsunami after the earlier quake.