What should I do if I am in an area under a tsunami warning?
Evacuate immediately to higher ground or a designated evacuation center.
News / International
A series of earthquakes struck Japan on April 20, 2026, triggering tsunami alerts and raising concerns about further seismic activity. The main earthquake, with a magnitude of 7.4, hit off the coast of northeastern Japan, prompting warnings...
The 7.4 magnitude earthquake struck at a depth of approximately 10 kilometers, with the epicenter located off the coast of northeastern Japan. Tsunami warnings were issued for several prefectures, including Iwate, Hokkaido, and later, Aomori. These warnings prompted evacuations and heightened vigilance in coastal communities. Separately, Nagano Prefecture experienced a series of earthquakes, with the strongest measuring a震度5強 on the Japanese seismic intensity scale. The Meteorological Agency cautioned that the area around Nagano is prone to earthquakes due to active fault lines and that stronger tremors could occur in the coming days.
**How to Prepare**: - Review and update your emergency preparedness kit with essential supplies like water, food, medication, and a flashlight. - Familiarize yourself with local evacuation routes and procedures. - Secure loose objects in your home that could become hazards during an earthquake.
**Who This Affects Most**: - Residents of coastal areas in northeastern Japan are most immediately affected by the tsunami warnings and potential flooding. - Communities in Nagano Prefecture are at increased risk of structural damage and landslides due to the ongoing seismic activity.
Evacuate immediately to higher ground or a designated evacuation center.
震度5強 is a level on the Japanese seismic intensity scale indicating strong shaking that can make it difficult to walk and may cause damage to buildings.
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