Hekla erupted, producing the second largest lava flow, 1.3 km3 (0.31 cu mi) covering 65 km2 (25 sq mi), and third largest tephra volume, 0.24 km3 (0.058 cu mi), of any Icelandic volcano during the inhabited era.[1]
Holger Jacobaeus, a Danish merchant, constructed a large wooden house in Keflavík.[2][3]