Very good, would have been better... (SPOILERS)
...without the disaster movie cliches
1. Nobody believes the one who sees it coming
2. Self-imperiling kid
3. Barely outrunning the disaster (water, rubble, magma, wind, supercold air etc.) - running away from water in hotel scene
4. Selfish, panicking fellow survivor endangers main characters
5. Person looking for family in destroyed landscape stumbles across them
6. Nick of time rescue (rushing water accelerates just as he learns their location)
7. Revival of person thought dead
Can a disaster movie be made without these? I think so. All it needs are characters you care about and a plausible, scary disaster.