1. the scientific study of earthquakes and the movement of waves through the Earth

Examples

• She earned her PhD in seismology and now works for the U.S. Geological Survey.
• Advances in seismology have helped scientists better predict earthquake activity.
• The university’s seismology department monitors seismic activity across the region.
• Modern seismology uses sophisticated instruments to detect even minor ground movements.
• His research in seismology focuses on how earthquake waves travel through different rock layers.
• The seismology lab recorded unusual seismic patterns before the volcanic eruption.