Last Updated : January 22, 2020

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

Geomorphic change observed by Synthetic Aperture Radar (SAR)

Released: Jan. 22, 2020, Japanese version of this page

Summary

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.

Results



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

Satellite

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

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Contact

YARAI Hiroshi: Head of Division
KOBAYASHI Tomokazu: Chief Researcher
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