Seismic tremors reveal a shallow fragment of ancient tectonic plate beneath Northern California, helping explain damaging ...
Eastern California is the perhaps the best place in the country to learn geology. The deserts beyond the Sierra Nevada host glacial features, volcanoes and rivers. Beautiful stratigraphic layers are ...
In the warm afternoons of early autumn, Bay Area residents head for the Coast Range north of San Francisco. They hike, picnic and pluck flowers atop Mount Tamalpais and its sister hills, which ...
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