Thordarhyrna ( ) is one of seven subglacial volcanoes beneath the Vatnajokull glacier in Iceland. It is a paired active central volcano with Grímsvötn, and can be classified as part of the Grímsvötn-Laki volcanic system, with common fissure swarms to the south.
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2 mapped locations
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).