List of largest rifts and valleys in the Solar System
Following are the longest, widest, and deepest rifts and valleys in various worlds of the Solar System.
List
| World | Rift/Valley | Length | Max. width | Max. depth | Notes |
|---|---|---|---|---|---|
| Venus | Baltis Vallis | 068006,800 km (4,200 mi) | 00033 km (2 mi) | A lava channel | |
| Earth | Atlantic Ocean | 10000 ≈10,000 km (6,000 mi) | 06000 ≈6,000 km (4,000 mi) | 0787.758 km (4.821 mi) | Length taken to be that of the Mid-Atlantic Ridge. (The ridge also has a secondary rift valley running its length.) The width is an average taken along the spreading ridges (Georgia–Senegal, Brazil – Bight of Benin, etc.). The greatest depth is the Romanche Trench. (The Puerto Rico Trench is not part of the rift system.) |
| Great Rift Valley | 06000 6,000 km (3,700 mi) | 00220 220 km (140 mi) | 02 2 km (1 mi) | Width and depth are those of the Red Sea Rift, discounting continental shelves < 200 m deep. (These may not be the extremes of the whole rift system.) Length of the Red Sea section 2,250 km (1,400 mi). | |
| West Antarctic Rift | |||||
| Keweenawan Rift | 02000 2,000 km (1,200 mi) | 00070 70 km (40 mi) | 0027 0.27 km (0.17 mi) | Width & depth Isle Royale – Keweenaw Peninsula; may not be widest point. | |
| Colca Canyon | 04164.160 km (2.58 mi) | ||||
| Cotahuasi Canyon | 03543.535 km (2.197 mi) | ||||
| Moon | Vallis Snellius | 00592 592 km (368 mi) | 00030 ≈ 30 km (20 mi)? | Width assumed to be approx. that of Vallis Rheita | |
| Mars | Valles Marineris | 04000 3,769 km (2,342 mi) | 00200 200 km (100 mi) | 0400 7 km (4 mi) | |
| Kasei Valles | 01780 1,780 km (1,110 mi) | 00200 200 km (100 mi) | 025 2–3 km | ||
| Tiu Valles | 01780 1,720 km (1,070 mi) | ||||
| Ares Vallis | 01700 1,700 km (1,100 mi) | ||||
| Vesta | equatorial channels | 01700 Possibly up to 1,700 km (1,100 mi) | Length may be as much as the 1790-km circumference of Vesta | ||
| Divalia Fossa | 00465 approx. 465 km (290 mi) | ≈ 22 km | Compression fracture from Rheasilvia | ||
| Saturnalia Fossa | 00365 at least 365 km (230 mi) | ≈ 39 km | 365 km visible at one point; rest in northern shadow. Compression fracture from Veneneia. | ||
| Europa | ? | ? | 00020 More than 20 km (10 mi) | Moon of Jupiter | |
| Tethys | Ithaca Chasma | 020002,000 km (1,000 mi) | 00100100 km (60 mi) | 04003–5 km (2–3 mi) | Moon of Saturn. Ithaca span approx. 75% the circumference of the Moon. |
See also
- List of largest craters in the Solar System
- List of tallest mountains in the Solar System
- List of largest lakes and seas in the Solar System
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See also: Formation and evolution of the Solar System, list of the Solar System's objects by discovery date, by orbit, and by radius or mass, and the Solar System Portal | |||||||||||||||||||||||||||||||||||||||||
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