Hello and "Guess the volcano"

Hello! So this is Janine taking over Sarda's blog for a few days. Things may prove to be a little different to what you're used to... But to ease you in I thought we could play a game... You're all experienced I know with Sarda's "mystery fossil" feature, but see how you do with guessing which volcano this is:


Given Sarda's usual blog themes I can imagine a lot of you are either palaeontologists or biologists, and consequently may be unfamiliar with looking at volcanoes. So here is a hint: this is the second tallest active volcano in the world (bit controversial, some would say it is the tallest), and it's my favourite by the way...