A magnitude 5.9 earthquake struck Japan at around 2:00 a.m. Sunday morning. The quake registered a lower 5 on Japan’s seven-level seismic intensity scale in Ibaraki Prefecture.
According to the Japan Meteorological Agency (JMA), during a 5 tremor, “most people feel fear and feel the need to hold onto something. Dishes on shelves and books on bookshelves may fall.”
No Tsunami Warning Issued
The quake’s epicenter was located in southern Ibaraki Prefecture at a depth of 70 kilometers.
No tsunami warning has been issued.
Tokyo Areas Affected
Tokyo’s Adachi Ward experience around a 5 on the seismic scale.
The following Tokyo areas experienced around a 4 on the seismic scale:
- Chiyoda Ward
- Chuo Ward
- Minato Ward
- Shinjuku Ward
- Bunkyo Ward
- Taito Ward
- Sumida Ward
- Koto Ward
- Ota Ward
- Setagaya Ward
- Shibuya Ward
- Nakano Ward
- Suginami Ward
- Toshima Ward
- Kita Ward
- Arakawa Ward
- Itabashi Ward
- Nerima Ward
- Katsushika Ward
- Edogawa Ward
- Chofu City
- Koganei City
Staying Informed on Earthquake Information
One of the scariest things about natural disasters is not being able to rely on your mobile device. Tokyo Metropolitan Government keeps its Disaster Prevention Homepage updated with the newest evacuation information.
There are also a variety of helpful apps for earthquake safety. The Japan Tourism Agency has created the Safety Tips app for multilingual support that alerts users when there is an earthquake of magnitude four or higher or if there is a tsunami warning, as well as displaying evacuation tips. The NERV app shows real-time shaking throughout Japan, and estimated propagation in the affected areas.
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- An Essential Earthquake Survival Guide: How To Be Prepared for Japan’s Megaquake
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Updated On August 23, 2026
