News commentator Collin Rugg on X, formerly Twitter, with a screenshot of the earthquake alert: "My entire building was shaking." USGS seismologist Elizabeth Cochran told Newsweek that the quake ...

Monday's 5.2 magnitude temblor marked another success for California's early earthquake warning system, with users in some ...

Several residents in Ostego County, Michigan, received an alert about an earthquake on Monday, but local officials say it was ...