Earthquake hits central Japan, injuring 22

Differing magnitude assessments from agencies

The Japan Meteorological Agency reported the earthquake at a magnitude of 5.7.

The U.S. Geological Survey assessed the strength of the quake at magnitude 5.5.

Injuries and structural damage reported

At least 22 people sustained injuries during the event. Some of these injuries occurred when residents fell down stairs while attempting to evacuate.

Television footage captured the extent of the physical damage across Aichi and Shizuoka prefectures. Reports showed shattered store windows and glass shards scattered across the streets.

Inside local businesses, the shaking caused further disruption. A bookstore reported piles of books knocked off the shelves by the force of the tremors.

Regional impact across Aichi and Shizuoka

The tremor impacted a broad region around Aichi prefecture. This included Hamamatsu city, the historic capitals of Kyoto and Nara, and neighboring Gifu and Yamanashi prefectures.

Official seismic assessments recorded the most intense shaking in Aichi. The quake was distant enough from Tokyo that it was not felt there.

Precautionary measures for bullet trains

Officials slowed Shinkansen bullet trains as a precaution following the quake. These services operated at reduced speeds in the affected zones.

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Ongoing aftershock and landslide warnings

Smaller aftershocks occurred soon after the main quake. Officials cautioned that strong aftershocks could occur in the coming days, possibly bringing mudslides and falling rocks.

Ayataka Ebita of the Japan Meteorological Agency told reporters to watch for mudslides, falling rocks, and rainfall-related effects. The agency reported no apparent change in the Nankai Trough plate.

Japan's seismic activity context

Japan sits at the volatile intersection of four major tectonic plates.

Japan experiences roughly 10 percent of the world’s major earthquakes, defined as magnitude 6.0 or higher, totaling thousands of smaller tremors each year. German Chancellor Friedrich Merz posted on X that “Germany stands shoulder to shoulder with Poland as a friend and partner during these difficult times”.