Venus boasts an abundance of volcano and volcano-like structures.
Synthetic aperture radar images of the surface have revealed extensive
evidence of volcanism, including lava flows and edifices. Volcanic
activity is further supported by crater statistics, and analysis of
topography and gravity data. Unique to Venus, coronae are
quasi-circular, volcano-tectonic features exhibiting diverse volcanic
characteristics. Despite this, volcanism is often under-represented in
formation models. We identify a new subset of coronae that display
topographic change subsequent to the emplacement of lava flows within
their fracture annuli, pointing to the critical role of volcanism in the
formation of these coronae. Through spherical-harmonic distribution
analysis, we find that this new subset is spatially related to the full
coronae database, pointing to an intrinsic process of coronae formation.
Furthermore, coronae exhibit strong correlations and similar spectral
shapes at low spherical harmonic degrees with large volcanoes,
suggesting a shared geodynamic origin. Our findings underscore the
pivotal role of volcanism in coronae formation and highlight the need
for future research that integrates magmatic processes into geophysical
models.