Earthquakes, and their associated tsunami (chapter 7), are by far the costliest geohazard, accounting for US$636 billion in economic losses between 2000 and 2019. The top six deadliest earthquakes saw the loss of over 650,000 lives (2000–2019).
Image from: https://www.esa.int/ESA_Multimedia/Videos/2015/02/Earthquake_monitoring_with_radar_satellites/%28lang%29/en
CREDIT
ESA/DLR (animation data: Copernicus data 2014/ESA Insarap study/NORUT/COMET/University of Leeds)