# Mount Okmok

- **Country:** United States
- **Coordinates:** 53.430000, -168.130000
- **Topo:** USGS Umnak B-1
- **Type:** Shield volcano with nested caldera
- **Location:** Umnak Island, Aleutian Islands, Alaska, US
- **Formed By:** Subduction zone volcanism
- **Elevation Ft:** 3519
- **Volcanic Arc:** Aleutian Arc
- **Last Eruption:** July to August 2008
- **Label Position:** right

![Photo of Mount Okmok](https://upload.wikimedia.org/wikipedia/commons/d/d1/OkmokCaldera.jpg)

**Source:** https://en.wikipedia.org/wiki/Mount_Okmok (Wikipedia, CC BY-SA)