Cambridge Volcano Seismology
@CamVolcSeisCambridge Volcano Seismology group -- studying earthquakes at volcanoes in Iceland
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Images from the drone overflight in Shawn Willsey’s live stream (link below), show where the lava claimed our station! Compare the location of the track - green arrow marks the station. Agonisingly close to escaping, but astonishingly close to the vents. Some truly unique data!
Here seen in happier times (seismometer itself is beneath the stone circle!), if only it was a bit further up the hill... but location choice is a big pile of compromises, and putting stations uphill increases wind noise, amongst other drawbacks! (Eg carrying heavy batteries..)
New link showing filtered data here: youtube.com/live/Ne4w0Naff…
!!New live seismic data stream!! Inspired by @SWP_ETHZurich we have set up a youtube stream with live data from one of our @CamVolcSeis @Haskoli_Islands #seismic stations installed along the path of the recent #dike intrusion on the #Reykjanes Peninsula youtube.com/live/WAhweoluz…
And the coherence on Askja is back. Still ~30 cm of uplift between Septeber 2022 and July 2023. Amazing 🤩
ICEYE’s data has helped to predict the location of the recent eruption of the Fagradalsfjall volcano in Iceland and to infer the depth of the lava. The data was used by the Iceland Met Office which is closely monitoring the volcanic unrest in the Reykjanes Peninsula.
Our sampling team collected quenched lava yesterday. The samples collected from the beginning of the eruption have been analyzed and we are evaluating the data! Results soon!
@CamVolcSeis station "odf" / Oddafell is now online streaming to @Vedurstofan to help monitor the evolution of the #eruption on the #Reykjanes Peninsula 🌋🇮🇸 Background station map from @egill_arni Drumplot: hraun.vedur.is/ja/drumplot/dr… Tremor plot: hraun.vedur.is/ja/oroi/odf
I will add a link to the Oddafell graphs when it comes online!
First look at @CopernicusEU #Sentinel5P #TROPOMI satellite SO₂ data for the #eruption at Litli-Hrútur on #Iceland's #Reykjanes peninsula, showing the #volcanic gas plume drifting SW off the coast and out over the North Atlantic. @Vedurstofan @EIlyinskaya @gislio
Those watching the #tremor graph from @naspmon station faf might be worried the eruption has ended - instead, it has had to be rescued from the path of the lava! 🌋 Hopefully @CamVolcSeis station odf (safely up on the ridge at Oddafell) will be connected to @Vedurstofan soon!
Since the #eruption began, the #earthquakes have moreorless stopped, and been replaced by seismic tremor. This is the incoherent background “hum” caused both by magma moving beneath the ground and venting at the surface - seen mainly at higher frequency (blue & green 2nd plot).
Stunning images to be waking up to (Pic from @RUVfrettir webcam). The eruption is reported to be 10x bigger than 2021 and 3x than 2022. Communities to the north, including Reykjavik, were warned about potential gas pollution during the night🧵
As excited as we all are *please* follow the current advice to stay away from eruption site. The site will be open to all as soon as the situation stabilises but the very start of fissure eruption is hugely dangerous because additional fissures can open anywhere #Fagradalafjall
WARNING: lava flow rate is double from last eruption and gas emission is considerable. The area has been closed off.
ATHUGIÐ: Öllum aðkomuleiðum að gosinu lokað og svæðið rýmt. Tvöfalt meira magn af hrauni en í síðasta gosi og verulega meira af gasi.
Okay: here’s everything you need to know about the new eruption in Iceland, including what is certain, what is uncertain, and all that jazz. (I’ve got a few weeks of book leave left, but couldn’t leave y’all hanging.) THREAD 🧵🌋 credit: @Vedurstofan
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