World Seismic intensity 5 or lower in Saitama and Tochigi, earthquake directly hitting the Tokyo metropolitan area What is the relationship with the Chiba Prefecture Eastern Offshore Earthquake?Expert “Conventional seismic activity” March 21, 2024 by admin March 21, 2024 March 21, 2024 Just after 9 a.m. on March 21st, an earthquake with a seismic intensity of lower 5 was …