Achievements in Volcano Research in the Earthquake and Volcano Hazards Observation and Research Program from 2019 to 2023: Towards Prediction of Volcanic Eruptions by Building Volcanic Activity Transition Models

The prediction of volcanic eruptions and eruption hazards is important to mitigate volcanic hazards. The purpose of the Volcano Program Promotion Panel in the Research Program on Earthquake and Volcanic Observations is to elucidate the conditions and logic of the event branch of volcanic activities,