We've know about P-waves for at least 60+ years. The "early warning" ability is dependent on the speed of light exceeding the propagation delay of physical moti

We've know about P-waves for at least 60+ years. The "early warning" ability is dependent on the speed of light exceeding the propagation delay of physical motion. In case anyone were unclear, there is no magic rock whispering AI that can predict an earthquake. Corralitos "anomaly" and characteristic foreshocks are wishful thinking. There are only alarms for when they are happening.