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Western California Volcano Observatory research maps geonarrative

August 12, 2026

The USGS California Volcano Observatory website hosts a series of interactive maps (geonarrative) which let you explore the plate tectonics and volcanic rocks of western California. The link at the top of the page takes you to the geonarrative.

For detailed information about this geonarrative go to: https://www.usgs.gov/observatories/calvo/science/western-california-volcano-research-maps-geonarrative

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