Hecates Tholus
2001 Mars Odyssey THEMIS daytime infrared image mosaic | |
| Coordinates | 32°07′N 150°14′E / 32.12°N 150.24°E |
|---|---|
| Eponym | Hecate |
Hecates Tholus is a Martian volcano, notable for results from the European Space Agency's Mars Express mission which indicate a major eruption took place 350 million years ago. The eruption created a caldera 10 km in diameter on the volcano's western flank.
The volcano is at location 32.12°N 150.24°E, in the volcanic province Elysium, and has a diameter of 182 km. It is the northernmost of the Elysium volcanoes; the others are Elysium Mons and Albor Tholus. Hecates Tholus is in the Cebrenia quadrangle.