Cerro Grande Volcano
Updated: May 8, 2024 13:44 GMT -
Fissure vent(s) unknown
Idaho, United States, 43.45°N / -112.83°W
Current status: (probably) extinct (0 out of 5)
Idaho, United States, 43.45°N / -112.83°W
Current status: (probably) extinct (0 out of 5)
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Cerro Grande volcano eruptions: None during the past 10,000 years
Less than few million years ago (Pleistocene)
Latest nearby earthquakes
Time | Mag. / Depth | Distance / Location |
Background
Several late-Pleistocene lava flows were erupted near Big Southern Butte. The North Robbers flow was radiocarbon dated 11,940 +/- 300 before present (BP); the Cerro Grande flow was dated at 10,780 +/- 300 BP.---
Source: Smithsonian / GVP volcano information
Cerro Grande Volcano Photos
Hiking towards the base of the Mackenney cone; Cerro Grande in the background. (Photo: Tom Pfeiffer)