The following is an earthquake alert issued by the Japan Meteorological Agency.
Day and Time: Dec. 18, 2020, 8:36 p.m.
Epicenter: Off Niijima and Kozu islands in Izu islet chain south of Tokyo. N 34.5, E 139.3
Depth: 10 kilometers
Preliminary magnitude: 4.7
Seismic intensity scale: 4 out of maximum 7
Note: No tsunami warning issued.