terrestrial phenomena
Technical term used in geography and earth science to refer to natural phenomena occurring on or within the Earth, such as earthquakes, volcanic activity, and erosion. Not an everyday word.
Geomorphology is the study of terrestrial phenomena such as earthquakes and volcanic activity.
Compound of 地 (chi, 'earth, ground') and 象 (shō, 'phenomenon, image'). The reading is on'yomi. The term is a technical coinage modeled after similar words like 気象 (kishō, 'weather phenomena').