Explore cutting-edge geophysical research and applications in this Frontiers of Geophysics Lecture presented by Dr. Marcia McNutt, Director of the United States Geological Survey. Delve into a wide range of topics including Light Detection and Ranging (LiDAR) technology, earthquake early warning systems, airborne geophysics for volcano monitoring, and unmanned aircraft applications. Learn about atmospheric rivers, geophysical studies in Afghanistan, and discoveries on Mercury and the Moon. Investigate emerging technologies such as biochar, mass spectrometers, and plasma torches. Examine environmental concerns like arsenic contamination and gas hydrates. This comprehensive lecture offers insights into the latest advancements in geophysical sciences and their practical applications in addressing global challenges.