The Concord Fault, which runs through Bay Area neighborhoods in Concord and Walnut Creek is in a different location than previously understood. It could produce a major earthquake in the Bay Area.

There are many types of maps – Forest Service maps, Bureau of Land Management maps, and highway maps to name a few. Some show general features and points of interest.

California wildfire managers are offering an interactive view of the massive Line Fire in San Bernardino County. A 3D map shows the current fire perimeter, indicated in red, over a topographic view… ...

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Abstract: This paper presents a method for the reconnection of contour lines from scanned color images of topographical maps based on graphics processing unit (GPU) implementation. The extraction of ...

When you compare the March 14 map with the one issued in early October (see above), the start of the rainy season, you can see a tremendous improvement in drought conditions across California.

Contour Lines vs. Reality As reliable as a topographic map might be, it can’t reveal every detail of the terrain. A 20-foot-high cliff or a 30-foot deep ditch could exist between two 40-foot ...