the place below the surface of the earth at which an earthquake has its origin
A reading was taken of the earth's tremors
the branch of geology that studies earthquakes
a dislocative earthquake
the length of duration of an earthquake as sensed by a seismograph
また地震
evacuation area for when an earthquake has occurred
the initial shock of an earthquake
an instrument used to record the data of an earthquake, called seismograph
an area where earthquakes periodically occur
A magnitude 1 earthquake was observed in Miyagi Prefecture.