7.4 Magnitude Earthquake Hits Northeast Japan, Tsunami Warning Issued
A 7.4 magnitude earthquake struck Japan’s northeast coast on the 20th at 16:53 local time, the Japan Meteorological Agency said. The quake reached a maximum intensity of Shindo 5-strong on Japan’s scale.
Tsunami warnings and advisories
The Japan Meteorological Agency issued tsunami warnings and advisories after the quake. A tsunami warning was issued by the agency for several coastal zones.
- Tsunami warning: central coastal Hokkaido.
- Tsunami warning: coastal Iwate Prefecture.
- Tsunami advisory: coastal Aomori Prefecture.
- Tsunami advisory: coastal Miyagi Prefecture.
- Tsunami advisory: eastern Pacific coast of Hokkaido.
Later, the JMA upgraded the Pacific coast of Aomori Prefecture to a tsunami warning.
Predicted tsunami heights
JMA released estimated wave heights for affected coasts.
| Area | Predicted height |
|---|---|
| Iwate and central Pacific coast of Hokkaido | About 3 meters |
| Aomori Pacific coast and Miyagi | About 1 meter |
Impact and reporting
Tokyo experienced noticeable shaking from the quake. No further impact details were provided in the initial bulletin.
Filmogaz.com reported the developments based on Japan Meteorological Agency announcements. Authorities continued to monitor the situation and update warnings as needed.
