2024.12.27 16:30 2024-12-24 Uncommon Seismic Trace Collections (USTCs): Observations, Origins, and their Applications to Explore Earths Deep Interior 2024.12.27 () 16:30 , 2821 : Over the past 30 years, observational seismology has seen rapid growth. In this presentation, I will review the early forward modeling approaches used to interpret rare and previously unknown seismic arrivals and discuss how these techniques contributed to our understanding of Earth's seismic structure.