system. >> so to clarify, because there's been some talk about two earthquakes today. if you can -- >> okay. there's been hundreds of earthquakes today. for a while, the website showed two magnitude 6.4s. so the way the system works, there's a lot of us recording earthquakes around the world. we have a system that if somebody else puts up an alert and -- there's always the chance the great pasadena earthquake means we're not giving out anything. you want somebody else to say it if we're not here. so there's a system to negotiate that. there was a warning. we think it was from the tsunami warning center actually. the timing -- usually the system can recognize the same earthquake. if one of the systems gets the time a little off, then they look like different earthquakes