| EPIGENE | Of geological events, taking place on the surface of the earth (7) |
| DISCUSS | Argue about athletic event taking place on Sunday |
| NEGEV | Origins of geological events seen in Nevada desert region (5) |
| DEEPTIME | Vast temporal scale of geological events |
| ACTION | Events taking place in a film or play (6) |
| BIENNIALS | Events taking place every two years (9) |
| ICEAGE | Geological event also known as a glacial epoch |
| DEADSEA | Lowest body of water on the surface of the Earth, in SW Asia bordered by Israel, Jordan and the West Bank (4,3) |
| EROSION | Process by which the surface of the earth is worn away by the action of natural forces |
| TYPOGRAPHER | A person who studies the natural features of the surface of the Earth (11) |
| SOIL | The top layer of the land surface of the earth (4) |
| GEOGRAPHY | The science of the surface of the earth and its inhabitants (9) |
| TOTALSOLARECLIPSE | Event taking place across parts of North America on Monday, represented in four spots in this puzzle |
| CHANCE | Likelihood, or probability, of an event taking place, expressed as a fraction or percentage (6) |
| OLYMPICGAMES | International multi-sport event taking place every fourth year (7,5) |
| PASSIONPLAY | Event taking place in Oberammergau every 10 years (7,4) |
| ONEG | Downward force felt on the surface of the earth, informally |
| ENDOGENY | Geological phenomenon below the surface of the earth |
| MAGMA | Hot molten rock that solidifies on the surface of the earth to form igneous rock (5) |
| CRATER | Bowl-shaped depression on the surface of the earth (6) |