Saturday, February 8 2025

Category: Earth Echoes

Lake Maracaibo: an announced environmental disaster.

With a surface of 13,210 km2 is the largest lake of Venezuela and South America. It is connected to the Gulf of Venezuela in the Caribbean Sea by Tablazo Strait and fed by several rivers, the largest called Catatumbo. 

Arcipelago Vanuatu : Cyclone Donna

Severe Tropical Cyclone Donna is the strongest off-season South Pacific tropical cyclone on record during the month of May and it has been upgraded to a category five storm, the most destructive wind-speed level. Cyclone Donna increase the category from 4/5/2017 to 9/5/2017 (https://earth.nullschool.net) The cyclone is in north of archipelago Vanuatu located in the South

Breaking Antarctica : Pine Island

After the huge icebergs disintegrated between July and August 2015, with its 582kmq, another iceberg breaks away from Pine Island This indicates that the melting of the Pine Island Glacier in Antarctica is accelerating in an irreversible process of major concern. This new iceberg is been captured by Earth observation satellites: Sentinels The two Sentinel

Larsen C

Larsen C is the remaining part of the giant Larsen Ice Shelf belonging to Antarctic Peninsula. Its extension is around 68400 km^2 and it is distant around 2000 km far from the southern part of South America. In the last years one of the largest Iceberg ever discovered is breaking from the ice shelf: its size

Synergy Storm

This Atlantic Ocean storm, south to Greenland, has been caught both by S1-B and S3-A on December 6th and 7th. Here below the S1-SAR image in interferometric wide swath mode, followed by S3-OLCI RGB (bands 10-6-3) and S3-SLSTR thermal (band 9) images. The OLCI image is the last of the duty cycle, before the eclipse period, indeed

Italy: interferogram earthquake 30/10/2016

Interferogram with S1 show more narrow fringes around Castelluccio. Details: Products from :  https://scihub.copernicus.eu S1A_IW_SLC__1SDV_20161020T051118_20161020T051145_013569_015B9D_5855.SAFE  S1A_IW_SLC__1SDV_20161101T051118_20161101T051145_013744_0160F4_D5C1.SAFE Elaboration with SNAP.

Italy: interferogram earthquake

The narrow fringes visible in the bottom right of the interferogram would show a ground deformation of ~15cm LOS. Details: Details after the earthquake Products : S1A_IW_SLC__1SDV_20160814T051921_20160814T051948_012592_013BD7_7469 S1A_IW_SLC__1SDV_20160826T051918_20160826T051945_012767_0141C5_6E66 Details before the earthquake Products: S1A_IW_SLC__1SDV_20160814T051921_20160814T051948_012592_013BD7_7469 S1A_IW_SLC__1SDV_20160802T051921_20160802T051948_012417_013615_2BF2  

Louisiana: southeastern coast

Image acquired by Sentinel-1A: S1A_IW_GRDH_1SDV_20160726T000140_20160726T000209_012312_01328B_9054 DETAILS:

Svalbard: first image of SENTINEL-1B

http://www.esa.int/Our_Activities/Observing_the_Earth/Copernicus/Sentinel-1/Sentinel-1B_delivers

Flood Iran

https://www.disasterscharter.org/web/guest/activations/-/article/flood-in-iran-islamic-republic-of S1A_IW_GRDH_1SSV_20160416T144247_20160416T144312_010848_0103BA_34FD.SAFE S1A_IW_GRDH_1SSV_20160323T144246_20160323T144311_010498_00F965_9EFA.SAFE

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