| name | discoverer | image | geology | type | Area (m²) | elevation (m) | Range | date discovered | Depth (m) | Height (m) | city | Website | administrative división | continent | Country | latitude (°) | Width (m) | Length (m) | longitude (°) | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ear of Dionysius |  | 400 | Syracuse, Sicily | website | Sicily | Europe | Italy | 37.0666656494 | 65 | 15.2666664124 | Map |