Fort Rock Volcanic Field Volcano
Updated: 25. Apr. 2024 00:28 GMT -
Maar(s) 1712 m / 5617 ft
Oregon, United States, 43.39°N / -121.14°W
Aktueller Status: (wahrscheinlich) erloschen (0 von 5)
Oregon, United States, 43.39°N / -121.14°W
Aktueller Status: (wahrscheinlich) erloschen (0 von 5)
[smaller] [larger]
Ausbrüche des Fort Rock Volcanic Field: None during the past 10,000 years
Less than few million years ago (Pleistocene)
Letzte Erdbeben in der Nähe
| Uhrzeit | Mag. / Tiefe | Entfernung / Ort | |||
Beschreibung
A large group of tuff rings, tuff cones, and maars occupies the Fort Rock-Christmas Lake Valley basin S of Newberry volcano. The 64 x 40 km basin was occupied a Pliocene to late-Pleistocene lake, through which eruptions of basaltic magma occurred along faults cutting diagonally across the basin and adjacent highland. The volcanic field is named for Fort Rock, a spectacular wave-cut tuff ring that was breached by wave erosion. The Table Rock tuff ring and maar complex lies at the SE end of the field. Spectacular maars such as Hole-in-the-Ground and Big Hole are located near Gighway 31. Hole-in-the-Ground was formed as recently as between 13,500 and 18,000 years ago.---
Source: Smithsonian / GVP volcano information
Latest satellite images
