Summary
After a magnitude 7.5 earthquake hit north-eastern Japan on Monday, officials warned about the chance of a future large-scale earthquake, known as a megaquake. They said there's a high chance of such an event happening in the Nankai Trough area in the next 30 years and advised the public to be ready, although they did not issue an evacuation order.
Key Facts
- A magnitude 7.5 earthquake recently occurred in north-eastern Japan.
- There is a 60-90% chance of a megaquake hitting the Nankai Trough area in the next 30 years.
- A megaquake could trigger a tsunami over 20 meters tall, affecting Tokyo and nearby areas.
- Officials predict that a megaquake could cause around 300,000 deaths and immense economic damage.
- Residents in seven prefectures in Japan have been told to stay alert and prepare for emergencies.
- The officials did not issue an evacuation order, but advised on checking evacuation routes and preparing emergency kits.
- Japan experiences about 1,500 earthquakes annually due to its location on the "Ring of Fire."
- The Nankai Trough has a history of causing deadly earthquakes about every 100 years.
