In what the agency hopes will spur a major leap in American geoscience, the U.S. Geological Survey has released a new mapping tool that allows anyone to peer into the earth beneath their feet. Dubbed ...

SACRAMENTO -- The California Geological Survey has released updated tsunami hazard maps for seven counties to help users determine whether they are in areas at risk for inundation and for planning.

Ever wanted to know more about the ground beneath your feet? Well, thanks to a new geologic map of the lower 48 states of the USA, now you can – and in more detail than ever before. Geologic maps are ...

Geologic maps don’t make headlines. You probably haven’t seen one unless you work in energy, construction, or science. Yet, over the past century, these documents have quietly shaped the way we build, ...

California has remapped evacuation zones for regions, including parts of the Bay Area, that may be impacted on the rare chance a tsunami were to hit the state. The California Geological Survey on ...

Wondering, “Was there an earthquake now?” Track the **latest earthquakes and aftershocks in California with this interactive map. Data is proudly provided by the U.S. Geological Survey (USGS).