ACTION COMICS (1938) #550

Cover by Alex Saviuk and Mike DeCarlo. « The Day the Earth Exploded » plotted by E. Nelson Bridwell, scripted by Bob Rozakis, penciled by George Tuska, inked by Sal Trapini, colored by Gene D’Angelo and lettered by Ben Oda. Superman investigates a huge underwater eruption north of New Guinea. Notes: Connie Hatch is the Daily Planet’s Puzzle Editor.