Discover and read the best of Twitter Threads about #volcanic

Most recents (6)

The first #stratospheric #volcanic #eruption of 2022, at #HungaTongaHungaHaapai (#Tonga) on Jan 13-14. #Sentinel5P #TROPOMI & @NASA's Aura/OMI both measure ~0.05 Tg SO₂ in the #volcanic cloud - not enough for #climate impacts. @CopernicusEU @NASAEarth @volcanessa @MetService
Another spectacular #eruption of Hunga #Tonga-Hunga Ha'apai at ~04:00 UTC on Jan 15. #Himawari8 data via @CIRA_CSU.
First look at SO₂ in the Jan 15 #eruption cloud measured by @eumetsat MetOp/GOME-2. So far, the SO₂ columns do not appear to be extreme; generally <20 Dobson Units (DU). For a Pinatubo-scale event we'd expect SO₂ columns >100 DU. More data soon.
Read 5 tweets
Thread🧵 | #KansasFires
While working live on wildfires/storms, I frequently discover mapping crossovers to my quake work.
Today I'm tracking yesterday's fires + March 2017/2020 fires & mapping with current/past #Kansas #earthquake swarms + faults. ⬇️👀
#kswx #ksfire #wildfire
Read 76 tweets
🌋A wonderful illustration that will now need some updating

🌋Recent #volcanic eruptions on #LaPalma (until 19 September 2021)

🌋Photo: Sergio Socorro, image: J.C. Carracedo et al.

#CumbreVieja #LaPalmaEruption #lapalmavolcano #geohazards #LaPalmaIslaBonita Image
🌌👨‍🚀 The #LaPalmaVolcano eruption as seen by @esa astronaut @Thom_astro from the International Space Station

#CumbreVieja #volcano #LaPalma #Canarias

Read 4 tweets
An #eruption of #Nyiragongo #volcano (#DRC) began in the evening of May 22. #Meteosat satellite data (from @CIRA_CSU) show a strong thermal anomaly appearing at 17:15 UTC, and a small #volcanic plume amidst widespread regional convection. Follow @CharlesBalagizi for updates.
If you're looking for background info on #Nyiragongo and its previous flank #eruptions in 1977 and 2002, there's a collection of papers in the Italian Acta Vulcanologica journal available here (with free PDFs):…
#Sentinel5P #Tropomi data on May 23 show SO₂ emissions from the #Nyiragongo #eruption. SO₂ to the SE over #Tanzania is at higher altitude (perhaps to tropopause level) and was emitted during the initial, more energetic phase of the eruption (17:00 UTC, May 22). @VirungaSupersit Image
Read 11 tweets
Potential #eruption started in #Fagradalsfjall - being investigated after reports of bright lights from the area #Reykjanes #Iceland #volcano #icerupt
Web cams show the bright light from the area. The Coast Guard helicopter being dispatched.…
It has been confirmed by @krjonsdottir at @Vedurstofan that a volcanic eruption has started in #Fagradalsfjall on #Reykjanes peninsula in #Iceland - photo from @Vikurfrettir
Read 51 tweets
Closed due to Covid AND road repair. Kasha-Katuwe is located on the Pajarito Plateau, at an elevation of 5700-6400 feet above sea level. Like most of the region, the volcanic activity that formed the Jemez Mountains sculpted the peculiar landscape. #geology #NewMexico #volcanic
The Jemez volcanic field has been active for the past 15 million years. It formed at the intersection of the Rio Grande rift and the Jemez lineament, an ancient northeast-trending fault line that has been a locus of volcanism for the last 10 million years.

The Valles Caldera is the 3rd largest super volcano in the U.S. It sits on top of an older caldera, the Toledo caldera, which may be on top of an older caldera. The calderas were formed during voluminous eruptions in the Jemez volcanic field 1.61 - 1.25 million years ago.
Read 6 tweets

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