( CNN ) -- A German tourist was in critical condition after a shark severed her right arm while she snorkeled in Hawaii on Wednesday , authorities said . The approximately 20-year-old woman , who was unconscious when first responders arrived , was taken to Maui Medical Center for treatment , according Lee Mainaga with the Maui Fire Department . Shark found on New York subway car . The attack took place about 50 yards offshore at White Rock beach in Maui . The beach has been closed one mile on either side of where the attack happened . Officials will assess on Thursday morning whether the beach can be reopened . Shark attack claims Brazilian teen 's life . This shark attack is the fourth in Maui this year , with two happening on the same day in February , and the other in late July . While shark attacks have been on the uptick in recent years , according to the University of Florida , the fatality rate in the United States is just 2 % . Discovery Channel defends dramatized shark special . Best places to swim with sharks .
This is the fourth shark attack in Maui this year . It took place about 50 yards offshore . Officials will decide Thursday if the beach can reopen .