Volcanic deformation at Iwatesan detected by ALOS-2 and ALOS-4 data
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Released: August 21, 2024, update: Jun 5, 2026 Japanese version of this page SAR Interferograms
Fig.1 SAR interferograms (1st: 2024-11-19, 2nd: 2025-04-30)
Fig.2 SAR interferograms (1st: 2025-05-16, 2nd: 2025-05-30)
Fig.3 SAR interferograms (1st: 2024-05-23, 2nd: 2024-11-15)
InSAR time series analysis
Fig.4 InSAR time series analysis results from ALOS-2 and ALOS-4 data from April 7, 2015 to May 13, 2026
Fig.5 InSAR time series analysis results from ALOS-2 and ALOS-4 data from August 28, 2014 to May 29, 2026
2.5-Dimensional analysis
Fig.6 Quasi-vertical Displacement and Quasi-east-west Displacement from November 2023 to November 2024
Fig.7 Quasi-vertical Displacement and Quasi-east-west Displacement from November 2024 to August 2025
Analysis by GSI from ALOS-2 and ALOS-4 data of JAXA. These data were obtained based on the agreement with JAXA and through the Satellite Data Analysis Group for Volcanic Activity. ALOS-4 data used in Fig.3 was provided by JAXA for calibration and validation. The numerical weather model was provided from JMA based on the agreement. Copyrights and CreditsCopyright. Geospatial Information Authority of Japan. ALL RIGHTS RESERVED.
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