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Eruptions of hot ash, pumice, and gas formed a pyroclastic flow deposit 75,000 years ago that can be seen at the base of the cliffs of Paulina Creek Falls.
The youngest of these types of deposits is the approximately 1,300 year old Paulina Lake pyroclastic flow. Two campgrounds are located on that deposit, which can be found along the southern shore of Paulina Lake. These infrequent but extraordinarily hot and fast moving flows would travel quickly down the slopes of Newberry and be very destructive.
Eruptions of hot ash, pumice, and gas formed a pyroclastic flow deposit 75,000 years ago that can be seen at the base of the cliffs of Paulina Creek Falls.
The youngest of these types of deposits is the approximately 1,300 year old Paulina Lake pyroclastic flow. Two campgrounds are located on that deposit, which can be found along the southern shore of Paulina Lake. These infrequent but extraordinarily hot and fast moving flows would travel quickly down the slopes of Newberry and be very destructive.