Latest from Sibley Volcano

When was the last volcanic eruption in the Bay Area? Where was it?

October 01, 2006 by Michael Ellis

You can easily visit the 10-million-year-old Sibley Volcano (see Voice of the Volcano, April-June 2005) in the hills above Oakland. ...

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Make a ripple effect by giving to Bay Nature today. Marbled murrelet floating in ocean.