But in an update to the study, the authors say they made an error in their calculations and the real levels were “an order of magnitude lower” than the EPA’s thresholds.

People who don’t have computers or smartphones can still get quake alerts on their cellphones — but only for those in which a higher magnitude or higher level of shaking is projected at their location.

"I have never seen a disaster of this magnitude on national soil," Bayrou said later in a post on X.

Los Angeles County is vast — and with a magnitude of yoga studios.

A strong 7.3 magnitude earthquake has struck near Vanuatu's capital Port Vila, damaging buildings and other infrastructure.