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Fissure swarm 385 m / 1263 ft
Reykjanes Peninsula, Iceland, 63.89°N / -22.27°W
(4 out of 5)
Fagradalsfjall volcano eruptions:
2021 new fissure eruption (started 19 Mar, ongoing)
None during the past 10,000 years
Less than few million years ago (Pleistocene)
Typical eruption style:
fissure eruptions, lava flows
Fagradalsfjall volcano update: More than 34,000 quakes in two weeks
Wed, 10 Mar 2021, 15:29
15:29 PM | BY: T
Earthquakes on the Reykjanes peninsula during the past 2 weeks (image: IMO)
The Icelandic Met Office (IMO) announced earlier today, that the total number of earthquakes in the region has exceeded 34,000 since the onset of the seismic swarm about 2 weeks ago.
For comparison, it had about 3,400 quakes in the whole of 2020, which also had shown elevated activity, while the average during the previous years was in the range of 1,000-3,000 quakes per year.
As the number of earthquakes recorded in the Reykjanes Peninsula, Iceland, surpassed the 20,000 mark, the main area of unrest was identified as the area between Fagradalsfjall and Keillir. According to the Icelandic Meteorological Office (IMO), magma intrusions under the surface are the prime suspect to cause this ongoing seismic activity. ... read all
The Icelandic Met Office (IMO) reported that seismic activity near Fagradalsfjall at the southern end of the supposed ongoing magma intrusion increased from 5:20 this morning, but later decreased again. ... read all
The earthquake swarm on the Reykjanes Peninsula continues, but has decreased a little bit: ... read all
A strong seismic crisis has been occurring on the Reykjanes peninsula near Fagradalsfjall mountain since mid Feb 2021, involving several magnitude 5+ and thousands of smaller ones. Volcanic tremor has appeared recently as well, indicating that magma movements underneath are likely accompanying and/or causing the seismic swarm. A new eruption in the area is a likely scenario. ... read all
The situation remains tense. A large magnitude 5.0 quake
occurred last night at 02:02 about 3 km WSW of Fagradalsfjall. IMO reported that additionally, from midnight over 30 earthquakes over M3 and 5 larger than M4 have also been recorded. read all
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