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Story summary
- On April 18, 2026, two earthquakes struck Omachi in northern Nagano, Japan.
- The first quake measured 5.0 at 1:20 PM and the second 5.1 at 2:54 PM.
- The Japan Meteorological Agency warned of aftershocks of similar intensity in the coming week.
- Shinkansen services between Karuizawa and Itoigawa were temporarily suspended.
- Japan accounts for about 20% of the world's earthquakes of magnitude 6 or greater.
