The earthquake activity south of Hekla volcano is ongoing and the largest earthquakes in recent days have had a magnitude of Mw3,8 and Mw3,3. Other earthquakes in recent days have been smaller. The largest earthquakes have been felt in nearby farms and Hvolvollur town and in Hella town.
Continue reading “Ongoing earthquake swarm in Vatnafjöll mountain south of Hekla volcano”
Strong aftershock in Vatnafjöll mountains (south of Hekla volcano)
Yesterday (13-November-2021) at 23:23 UTC an earthquake with magnitude of Mw3,4 took place in Vatnafjöll mountain south of Hekla volcano. This looks like an aftershock of the main earthquake of magnitude Mw5,2 that took place on 11-November-2021.
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Update on the Mw5,2 earthquake south of Hekla volcano
The earthquake today (11-November-2021) at 13:21 UTC with the magnitude of Mw5,2 seems to align it self with faults that are part of SISZ rather than being part of Hekla volcano system. The high frequency tone on 2 – 4Hz that I did see on few nearby SIL stations has started to lower again after the main earthquake. Earthquake activity in the area is currently dropping but it might increase again without warning.
Continue reading “Update on the Mw5,2 earthquake south of Hekla volcano”
Earthquake north of Hveragerði town
At 01:28 UTC on 27-October-2021 an earthquake with magnitude of Mw3,3 took place 4 km north of Hveragerði town. This earthquake was clearly felt in Hveragerði and nearby area. No damage has been reported because of this earthquake according to earliest news.
There is a chance there is going to be more earthquake activity in this area. But few earthquakes with no more activity is also common in SISZ.