Experts say that while it has been quiet after Monday's quake, the risk of one or more aftershocks is not out of the question ...

San Francisco Fire Department: Tsunami alerts “not a false ... Thursday’s earthquake was “well above” established seismic thresholds that could cause a tsunami, according to Amy Palmer ...

The Pacific Northwest Seismic Network (PNSN) said the quake was not big enough to meet the alert threshold, but it was detected by the ShakeAlert system. However, the earthquake was not ...

TOKYO (AP) — Japan issued a tsunami advisory on Monday after a magnitude 6.6 earthquake struck the southwest of the country. The public warnings to stay away from coastal areas were later lifted.