World record for largest shield volcano broken. Scientists discover volcano twice as big
May 17, 2020, 02:23 PM ISTScientists have discovered a new shield volcano that has broken the world record for the worlds largest shield volcano. Mauna Loa was long believed to be the largest on Earth. A recent study, however, shows that Puhahonu, which means 'turtle rising for breath', is reportedly twice the size of Mauna Loa.