10,000 in Minas Gerais state are evacuated after floodwaters open a 20-meter-wide crater . Rains have caused problems in Rio de Janeiro state , killing 4,000 and spurring 10,000 to be evacuated . Sao Paulo , Brazil ( CNN ) -- January is traditionally a wet , rainy and sometimes deadly month in January .
10,000 in Minas Gerais state are evacuated after floodwaters open a 20-meter-wide crater . Rains have caused problems in Rio de Janeiro state , killing 4,000 and spurring 10,000 to be evacuated . January is traditionally a wet , rainy and sometimes deadly month in January .