Ready to Blow? After Mauna Loa Rumbling Detected, Hawaiians Near Volcano Advised to Prepare ‘Go Bag’

Mauna Loa, the world’s largest active volcano above sea level, could soon start erupting once more, according to scientists who closely monitor its activity. Hawaiian authorities have advised residents living near the volcano to be ready to leave quickly, just in case. The giant hasn’t gone off since 1984.