[It's a good thing he's got a head for voices, so he recognises the one approaching him, even if she sounds quite uncertain herself. He definitely feels how her own weight is unsteady as he goes to pull him up, and he's careful to hold his own weight, getting up a little ungainly but without falling over.]

I-I'm-- I'm fine, really, I just- what the fuck?

[It's a plaintive cry, which he catches himself half-yelling and forces himself to mutter.]

Sorry, sorry, I- Jesus, I just haven't had an earthquake in- in some fucking time. A-and what about you, Ms- sorry, Major, right? Margaret?