https://www.youtube.com/watch?v=EIUKqEuJm1U
Time-lapse cameras at Geldingadalir capture how a small spatter-and-cinder cone builds while feeding braided rivers of basaltic lava across the valley floor.
Compressed over hours, the footage shows pulsing effusion rates, cooling crusts cracking open, and steam where hot lava meets residual snow — a realtime lesson in shield-style growth.