Rising From the Ashes - Crater Lake, OR
Posted by: Groundspeak Premium Member saopaulo1
N 42° 54.694 W 122° 08.570
10T E 569966 N 4751350
One of a few signs at Sinnott Memorial Overlook in Crater Lake National Park. Many of the plaque here deal with the lake's geological history.
Waymark Code: WMYXB2
Location: Oregon, United States
Date Posted: 08/05/2018
Published By:Groundspeak Premium Member Volcanoguy
Views: 3

Wizard Island is a distinctive volcanic feature rising over 760 feet from the lake surface. Former several centuries after the eruption and collapse of Mount Mazama, the island is a miniature volcano called a cinder cone. About 7500 years old, it grew inside the caldera after Mount Mazama collapsed and while the caldera was filling with water.

A Volcano Inside a Volcano.

Wizard Island formed explosively on top of older lava flows that extend to the bottom of the lake. This cinder cone is evidence that Mount Mazama continued to be active even after its greatest eruption, and may be active in the future. Wizard Island is just one of the 20 cinder cones in the park.
Historic Topic: Geological

Group Responsible for placement: National Parks Service

Marker Type: Trail

Region: Southern Oregon

County: Klamath

State of Oregon Historical Marker "Beaver Board": Not listed

Web link to additional information: Not listed

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OregonTrailRanger visited Rising From the Ashes - Crater Lake, OR 11/27/2020 OregonTrailRanger visited it