geoscientist on duty
The largest earthquakes in Bárðarbunga (northwestern Vatnajökull) since 9am yesterday were M4.5 at 11:35 (23 Dec.) and M4.6 at 22:23. Three more were over 4 in magnitude. In total, around
60 quakes were detected in Bárðarbunga. At the northern end of the dyke intrusion six earthquakes were detected, all under M2.
The new earthquake sequence south of Langjökull, about 10 km
/earthquakes-and-volcanism/articles/nr/3055