Twin earthquakes shocked California today, just four miles from San Bernardino, registering at about 3.5 on the Richter scale, as X quickly lit up with posts that said the quake felt like 'jolts ...

San Mateo County launched its new Tsunami Hazard Area Dashboard on Monday as part of a broader effort to better prepare for ...

San Mateo County may now opt out of a multicounty regional transit measure meant to dig Caltrain and BART out of their ...

Now, San Mateo County residents can use an online tool called a ‘ Tsunami Hazard Area Dashboard ’ to see what areas will be ...