41.   Matthes said the station registers seismic waves which pulse through the Earth.

42.   Maria de la Luz Calderon rode the seismic waves that rolled through her apartment building.

43.   Moment magnitude is related to the size of the earthquake fault and the amount the ground slips, as determined by analysis of seismic waves.

44.   Romanowicz and Yuancheng Gung were able to develop images that indicate the presence of the superplumes by measuring the movement of seismic waves through the Earth.

45.   The agency said there was no fear of tsunami, seismic waves caused by undersea disturbances such as earthquakes, as a result of the temblor.

46.   The agency said there was no fear of tsunami, seismic waves caused by undersea disturbances such as volcanic activity or earthquakes.

47.   The agency said there was no fear of tsunami, seismic waves caused by undersea disturbances such as earthquakes or volcanic activity.

48.   The agency said there was no danger of tsunami, or seismic waves caused by undersea disturbances such as volcanic activity or undersea earthquakes.

49.   The agency said there was no sign of tsunami, or seismic waves caused by undersea disturbances such as earthquakes or volcanic activity.

50.   The magnitude is related to the size of the earthquake fault and the amount the ground slips, as determined by analysis of seismic waves.