No worry about seismic intensity 4 tsunami in Ibaraki prefecture 5:36 on June 4

There was an earthquake around 5:31 am on the 4th.
There are no worries about the tsunami caused by this earthquake.
The epicenter is off Ibaraki prefecture, the depth of the epicenter is 50 km, and the magnitude indicating the magnitude of the earthquake is estimated to be 4.7.
The seismic intensity of each municipality is as follows.
Seismic intensity 4 is Hitachi City, Ibaraki Prefecture, Hokoda City, Ibaraki Prefecture, Tokai Village, Ibaraki Prefecture.