Millions of Southern Californians, many with a sense of amusement, simultaneously crouched under tables and desks for two minutes of imagined seismic turmoil on Thursday in the biggest U.S ...

A magnitude 4.8 earthquake struck in the Gulf of California, east of Mexico's Baja California peninsula on Sunday, the U.S. Geological Survey said, and local authorities said there were no reports ...

An earthquake with a preliminary magnitude of 4.6 struck Ibaraki Prefecture, north of Tokyo, on Thursday morning, but there was no threat of a tsunami, the weather agency said. The quake occurred at ...

南部カリフォルニア地震センター（Southern California Earthquake Center）の所長は、地震を妊婦に例え、「妊娠期間が非常に長く、予定日はとうの昔に ...