Sediki Thompson, 29, of Marin City sits at a computer designing ... There are hiking daypacks with county park passes, maps and wildlife guides that can be borrowed for a week.

A major tsunami could swamp significant swaths of the Northern California coastline, according to hazard maps reviewed by ... Richmond and Marin County; and some areas near Silicon Valley ...

A new study from the U.S. Geological Survey finds that groundwater in Appalachia, the Gulf Coast and California is ...

A moderately strong, 5.2-magnitude earthquake struck in Southern California on Monday, according to the United States Geological ... the shake-severity map. The San Diego County Sheriff’s ...

“His knowledge about the hydrogeology of our area was unmatched,” said Mark Thein, Olmsted County commissioner ... to look at Minnesota soils and geology maps,” Griffith said.

That zone is not just a line on a map, but a 50-mile-wide zone of fault ... in Oakland and caused extensive damage in San Francisco's Marin a District — was on an oblique fault very close ...

And while there are multiple federal agencies with some role in those waters, what we know about them and how we use them (including the Fish and Wildlife Service, the U.S. Geological Survey ...

Check out the Blue Hills Felsenmeer in Western Rusk County. It’s a unique geological formation much like a “sea ... You’ll find the Felsenmeer about 3 miles in. Click her for a map. Happy exploring!

And, equipped with a drill and a one million-watt laser, the rover is leaving no stone unturned (or unvaporized) as it studies the chemistry and geology ... s Marin County, just north of San ...

There is a now a petition to close the road where four high school students were killed recently in west Marin County. There is a growing memorial on San Geronimo Valley Road in west Marin County ...

Marin County needs affordable housing for its employees, and like some other jurisdictions around the Bay Area, the county is trying to build homes for its own workers and teachers. At Tuesday's ...

The Peninsula is not the only area with a vehicle cemetery in the Bay Area. Marin County Parks has plenty of examples, including a tragic tale of history repeating itself. At Mount Tamalpais ...