This is a repost of a summary by Hector, of the previous round of Reykjanes eruptions, a millennium ago. (The post is not as old as that, though. It was written during the first Fagradalsfjall eruption, at the very start of the new fire season.) The discussion includes two of the three Svartsengi eruptions of…

Now that Fagradallsfjall has finally erupted it is clear that a new eruptive period has initiated in the Reykjanes Peninsula, we can expect many more eruptions to come in the following few centuries, but what should we expect? and what about the eruption that has already started? The last time the Reykjanes Peninsula was active…