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Hole-in-the-Ground

Hole-in-the-Ground
Hole-in-the-Ground. / Rhiannon Boyle, Flickr / CC BY-NC-ND 2.0

WorldBlue  In short

Large, circular maar – a volcanic explosion crater. Its diameter is some 1,600 m, the floor is around 150 m below the surroundings but the rim around the crater – 35 to 65 m high. This maar formed some 13.5 – 18 thousand years ago.

4.3 out of 10 stars 42.8%

GPS coordinates
43.41088 N 121.19795 W
Location, address
North America, United States, Oregon, Lake County, north from county road 5-11A, some 10 km north-west from Fort Rock village

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