* Astronomy

Lassen Peak (also known as Mount Lassen) is the southernmost active volcano in the Cascade Range.
Lassen Peak is the only volcano in the Cascades other than Mount St. Helens to erupt during the 20th century. On May 22, 1915, a powerful explosive eruption at Lassen Peak devastated nearby areas, and it rained volcanic ash as far away as 320 km to the east
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Manzanita Lake and Lassen Peak

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