and Ólafsfjörður, partly also in Sauðárkókur, Dalvík, Húsavík and Akureyri; i.e.19 September at 07:57 and 08:
28 and 20 September at 09:27 and 19:42.
Some more events above M3 have been detected during this sequence, and altogether over 400 smaller events.
Eyjafjarðaráll is a graben structure between the Húsavík-Flatey fault and Kolbeinsey ridge. The Húsavík-Flatey fault is part of the Tjörnes
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