SRL for [open - ended]: The magnitude scale is [open - ended] , meaning that science has not put a limit on how strong an earthquake could be , and scientists ca n't rule out a `` Mega Quake '' because they 've only been measuring earthquakes for 100 years , a blink of an eye in geologic time .
ARG-1: The magnitude scale | ARG-M-ADV: meaning that science has not put a limit on how strong an earthquake could be , and scientists ca n't rule out a `` Mega Quake '' because they 've only been measuring earthquakes for 100 years , a blink of an eye in geologic time