The 2020 Taal Eruption, Philippines: Crustal deformation detected by ALOS-2 data

An eruption of the Taal volcano in the Philippines occurred on January 12, 2020 (UTC). To measure the crustal deformation caused by this eruption, we applied various analysis using ALOS-2/PALSAR-2 data.

Fig. 1 SAR interferogram[PNG:3.2MB]

Fig. 2 Enlarged image of the southwestern side of Taal Lake[PNG:1.5MB]

Fig. 3 MAI[PNG:1.4MB]

Fig.4 Area of interest

Fig. #	Date	Time （UTC）	Flight Dir.	Beam Dir.	Obs. Mode *1	Incidence Angle	Bperp
1,2,3	2019-11-12 2020-01-21	16:02	Asc.	Right	F	36°	-139m

*1 F：Fine（10 m）
（cf.：ALOS-2/PALSR-2(JAXA))

Analysis by GSI from ALOS-2 data of JAXA.
These results were obtained through the activity of the SAR analysis working group of Coordinating Committee for Prediction of Volcanic Eruption

ALOS-2 (Advanced Land Observing Satellite 2) launched by Japan Aerospace Exploration Agency on May 24, 2014

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YARAI Hiroshi: Head of Division
KOBAYASHI Tomokazu: Chief Researcher