Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

Twin earthquakes shocked California today, just four miles from San Bernardino, registering at about 3.5 on the Richter scale ...

The post Google Maps Shows True Devastation of California Wildfires as Total Cost of the Damage Is Revealed appeared first on ...

Tracking and predicting sea level rise involves more than measuring the height of our oceans: Land along coastlines also ...

We work to ensure the City's financial integrity and accountability, making San Francisco a better place to live and work. Jointly prepared by the Mayor’s Office, Controller’s Office, and Board of ...