Although it’s hard to say why, some of nature’s most powerful forces make for some of the most soothing sounds. Lapping ocean waves are, of course, a bedtime classic. As are monstrous thunderstorms.

'This clip features several up close and personal shots of the volcanic eruption in Geldingadalir on the Reykjanes Peninsula.

Last March, when we first reported in this story, an unprecedented swarm of more than 30,000 earthquakes shook a corner of southwest Iceland and rattled houses in the capital, Reykjavík, 20 miles away ...

Last March, an unprecedented swarm of more than 30,000 earthquakes shook a corner of southwestern Iceland and rattled houses in the capital, Reykjavík, 20 miles away. Some tremors lasted only a few ...