MOR Map (IMAGE) Columbia Climate School Caption The Pacific Antarctic Ridge may be the least-studied of the underwater volcanic mountains that crisscross the globe. Blue square indicates suspected vents. Credit Modified image from Chris German and Karen Von Damm Usage Restrictions Please contact Chris German at WHOI for permission. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.