Tracking dike propagation leading to the 2018 Kīlauea eruption

In May 2018, a major eruption occurred in the lower East Rift Zone of Kīlauea volcano. The started with collapse Pu'u 'Ō'ō crater followed by large downrift dike intrusion for more than 20 km well instrumented region. This volcanic event is rare opportunity to infer dynamics magma transfer that often difficult capture. this study, we use seismological records migration dike. We detect, pick and locate 6000 earthquakes during course intrusion. Using these locations together near-field seismic amplitudes, can precisely reconstruct progression over time. show consistent logarithmic model growth connected feeding chamber. decrease pressure inside reservoir also propagation derived from our observations. work encourages real time monitoring intrusions combination data physical models.