Ora Caldera
The Ora Caldera is an extinct Permian supervolcano in the Southern Alps of northern Italy. This and caldera was formed by a supereruption 277–274 million years ago that produced more than of rhyodacitic-rhyolitic ignimbrite. The ignimbrite from this eruption forms the Ora Formation, which represents the youngest eruptive unit of the Athesian Volcanic Group.
Details
- Age
- 274 Ma
- Type
- Caldera
- Country
- Italy
- Geology
- Rhyolite
- Orogeny
- Alps
- Area Km2
- 1680
- Width Km
- 42
- Formed By
- Trans-tensional
- Length Km
- 40
- Elevation M
- 234
- Last Eruption
- 274 Ma
- Volcanic Belt
- Athesian Volcanic Group