Ok, here’s where it’s a little hokey. Both stories actually (there’s another history of Krypton back-up, which has a goofy villain reveal at the end). O’Neil has Superman trying to stop a volcano, but he doesn’t want to trespass on the land to do so. While I kind of get O’Neil making it “real,” he also makes it absurd. The villain’s the landowner who’s shooting his fleeing employees… pretty sure, even in 1971, you weren’t allowed to murder disobedient employees.
Otherwise, it’s a solid enough story. The sand-Superman is really creepy, Superman worrying about doing his newscast while fighting the volcano is amusing (though there’s a big plot hole when he talks, as Superman, and he’s still got his news commentary microphone on).
Nice artwork. Lots of thought balloons again, this time explaining how Superman’s thought process for combating the volcano.
Unfortunately, the back-up’s pretty weak overall.