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New data alert
We just overflew Hunga Tonga-Hunga Ha'apai volcano with #Sentinel1
The datatake didn't include #Tonga main island, where I desperately hope everyone is safe
Here's our last 3 passes over the volcano...pic.twitter.com/KD39030U5SNäytä tämä ketju -
#Tonga Dramatic changes in Hunga Tonga-Hunga Ha'Apai. Synthetic opening radar footage of the#Sentinel1 satellite shows much of the islands that make up the volcano were destroyed by the explosion/eruption Saturday morning. pic.twitter.com/tYA2SrFQVN -
The strong reflection of the radar beam by the ship's metals is spotted on 13.01.22 by the
@ESA_EO@esa#Sentinel1 pic.twitter.com/vmJSfyOhUa
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Von der Insel ist echt nicht viel übriggeblieben. 03.01.2022 vs 15.01.2022 17:08 UTC
#Sentinel#Sentinel1#Copernicus#Tonga#TongaVolcano#Tongaeruption pic.twitter.com/9iB3vPDRYs
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De como se está cayendo el servicio del
#Sentinel1 1B en el mundo, muy importante en el monitoreo satelital de cultivos. https://twitter.com/K_VanTricht/status/1481254036544589825 …
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Satellite imagery reveals first losses due to the
#Tonga#tsunami. It seems that the uninhabited islands of Nuku and Tau have been completely eroded. Their larger neighbors Tonumea and Kelefesia were at least partially inundated. Satellite imagery via@sentinel_hub#Sentinel1 pic.twitter.com/Mh2fAh1Zvo
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Rock and ice ridges in the remote Momskiy Khrebet mountain range
#Siberia Complex topography & radar distortions create a captivating visual effect in this 20x20 km scene
&
larger image @Soar_Earth
https://bit.ly/MomskiyKhrebet
#Sentinel1#Sakha#Yakutia#pattern#noise


pic.twitter.com/xL9ZntZ56p
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Seeing through the clouds and plume remnants, radar images from
#Sentinel1, with 3 passes animated by@ThomasOrmston, revealed that there are still small remaining pieces of the older two islands.https://twitter.com/ThomasOrmston/status/1482449626460565506 …
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Co-seismic interferogram from the Mw 6.6
#earthquake along Haiyuan Fault zone, China. Rupture along a ~30km segment. Processed w/@Ak_Satellite HyP3 using Copernicus#Sentinel1 imagery 1/2 pic.twitter.com/vcpZ3BB4OO
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Update:
#Sentinel1 acquired an image at 17:08 UTC, i.e. 13 hours *after* the 04:00 UTC 15 Jan 2022#HungaTongaHungaHaapai explosion. Only a tiny part of the W island has remained in place. Hoping that people in Tonga are safe. Data:@esa@sentinel_hub https://twitter.com/ThomasOrmston/status/1482449626460565506?s=20 …pic.twitter.com/Y5y2Vfoofx
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Seemingly most of the Island associated with
#HungaTongaHungaHaapai had disappeared according to#Sentinel1 images recorded and just released.
https://twitter.com/thomasormston/status/1482449626460565506 …
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This false-colour image from @CopernicusEU#Sentinel1 shows the Kangerlussuaq Glacier, one of#Greenland’s largest tidewater outlet glaciers. Click on the link to see in hi res
https://www.esa.int/Applications/Observing_the_Earth/Copernicus/Earth_from_Space_Kangerlussuaq_Glacier …pic.twitter.com/T9w9d6Fc86
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Co-seismic interferogram and line-of-sight displacement of Mw 6.6 Jinchang, China (2022.01.07)
#earthquake using@CopernicusData#Sentinel1 imagery. pic.twitter.com/TuabZhOXmK
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As you have become aware, we have had some anomalies with
@CopernicusEU#Sentinel1-B lately. Investigations on this are being pursued to identify & try to remedy its root cause. The problem is related to a unit of the power sub-system. pic.twitter.com/bUBRMQ8PsY
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The Kangerlussuaq Glacier, one of
#Greenland’s largest tidewater outlet glaciers, is pictured in this false-colour image captured by@CopernicusEU#Sentinel1. Recent data suggests that Kangerlussuaq's ice front is now at its most retreated position since the early 20th century. pic.twitter.com/daAGt7kLvq
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A major anomaly on the Sentinel-1B satellite occurred in the early morning (UTC) of 23 December 2021, causing it to stop generating data. Teams of specialists immediately investigated and took action to bring the satellite back to life.
#sentinel1 https://www.groundstation.space/sentinel-1b-anomaly/ …pic.twitter.com/n7ADmthMdg
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LiCSAR InSAR data (unreviewed) for Mw6.6 earthquake. 111 km SW of Jinchang, China. 2022-01-07 17:45:30UTC. https://comet.nerc.ac.uk/earthquakes/us7000g9zq.html …
#Earthquake#Sentinel1#COMETpic.twitter.com/27zTWuFTBU
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ESA chief
@AschbacherJosef reporting some anomalies with@CopernicusEU#Sentinel1-B spacecraft related to a unit of the power sub-system. Track it here: https://www.karhukoti.com/webtracker?s=41456 … or: https://www.microsoft.com/store/apps/9WZDNCRDNDF7 …pic.twitter.com/2kvfaE04m0
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The
#KangerlussuaqGlacier, one of#Greenland’s largest tidewater outlet glaciers, is pictured in this false-colour image captured by the#Copernicus#Sentinel1 mission. Watch the Earth from Space video :https://bit.ly/3foRt6W pic.twitter.com/VyS84KZGwf
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The final part of
@CantyMort's tutorial series on#Sentinel1#SAR & change detection w/#EarthEngine is live

Part 4 wraps much of the analysis of parts 1–3 into an easy-to-use GUI
Thanks for sharing your knowledge and expertise, Mort
https://developers.google.com/earth-engine/tutorials/community/detecting-changes-in-sentinel-1-imagery-pt-4 …
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