Neenach Volcano is an extinct Miocene volcano in the Coastal Ranges of California. After formation, the volcanic field was split by a fault in the San Andreas Fault Zone, and over the last 23 million years, both halves of the volcano have moved about 195 miles (314 kilometers) apart.
Neenach Volcano is an extinct Miocene volcano in the Coastal Ranges of California. After formation, the volcanic field was split by a fault in the San Andreas Fault Zone, and over the last 23 million years, both halves of the volcano have moved about 195 miles (314 kilometers) apart.
Source: Wikipedia "Neenach Volcano" · CC BY-SA 4.0
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