The Tools, People, and Moments That Built a Geophysics Career

“Models are still the bread and butter in gravity and magnetics interpretation. Interpreters still have to condition the data properly, and that's half technical, half art.” Betty Johnson shares how her early career in gravity and magnetics grew from curiosity, hands‑on learning, and rapidly changing technology. She explains how potential field methods remain valuable for addressing energy, water, and climate challenges because they are affordable, scalable, and deeply rooted in Earth’s history. Her reflections underscore the importance of high-quality data, solid fundamentals, and ongoing learning. KEY TAKEAWAYS > Gravity and magnetics remain essential because they are cost‑effective, scalable, and useful across many energy and environmental applications. > Strong fundamentals in physics, geology, and modeling help interpreters make better decisions and collaborate across disciplines. > Good data, field experience, and continuous learning are critical for building a long and impactful geophysics career. LINKS * Read "The Meter Reader—The tools of the trade in gravity and magnetics, 1978–1988" at https://doi.org/10.1190/tle44090738.1 * Elizabeth A. Johnson, "Gravity and magnetic analyses can address various petroleum issues" at https://doi.org/10.1190/1.1437844 * Elizabeth A. E. Johnson, "Use higher resolution gravity and magnetic data as your resource evaluation progresses" at https://doi.org/10.1190/1.1437846 THIS EPISODE SPONSORED BY STRYDE STRYDE enables high-resolution subsurface imaging that helps emerging sectors such as CCS, hydrogen, geothermal, and minerals de-risk and accelerate exploration - delivered through the industry’s fastest, most cost-efficient, and agile seismic solution. Discover more about STRYDE at https://stryde.io/what-we-do. ABOUT SEISMIC SOUNDOFF Seismic Soundoff showcases conversations addressing the challenges of energy, water, and climate. Produced by the Society of Exploration Geophysicists (SEG) and hosted by Andrew Geary of 51 features, these episodes celebrate and inspire the geophysicists of today and tomorrow. Three new episodes monthly. See the full archive at https://seg.org/resources/podcast/.