Magnitude 6.9 Earthquake Strikes Off Japan's Iwate Coast; Tokyo Feels Tremors

A powerful magnitude 6.9 earthquake jolted the waters off the coast of Iwate Prefecture in northeastern Japan on the morning of May 25, according to the Japan Meteorological Agency. The seismic event occurred around 7:30 AM JST, with its epicenter located offshore at a depth of 50 kilometers.

The tremors were significant, registering an intensity of upper 6 on the Japanese seismic scale in many areas of Aomori Prefecture, which is close to the epicenter. Residents in Iwate and Miyagi prefectures also experienced strong shaking, with intensity 5 upper tremors. The quake's reach extended hundreds of kilometers, with noticeable shaking felt in high-rise buildings in Tokyo.

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Residents in areas that experienced strong shaking should continue to pay attention to the possibility of similar-scale earthquakes in the future.

Notably, some areas recorded a "long-period ground motion" of Grade 2. This type of seismic vibration, characterized by sustained shaking lasting over two seconds, can cause significant instability, making it difficult to walk without support and potentially causing objects on shelves to fall, especially in tall structures.

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The government will also proceed with disaster response based on accurate reports.

Authorities were quick to respond. The Japanese government immediately established a crisis management center at the Prime Minister's official residence and convened an emergency meeting of department heads. Prime Minister Fumio Kishida directed officials to swiftly assess damage, provide accurate and timely information to the public, and prioritize rescue and relief efforts for any potential casualties.

Prime Minister Kishida also took to social media platform X (formerly Twitter) to urge residents in heavily affected areas to remain vigilant for potential aftershocks. He assured the public that the government would act based on accurate reports. Fortunately, the Japan Meteorological Agency confirmed that there was no risk of a tsunami following the earthquake.

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When the Grade 2 long-period ground motion is observed, strong shaking is felt in high-rise buildings, making it difficult to walk without holding onto something, and tableware or books on shelves may fall.