Table 1 SAR data used in this project

COSMO-SkyMed 1-4 (CSK) (X-band)

Agenzia Spaziale Italiana (ASI)

900

8 Jun. 2007; 9 Dec. 2007; 25 Oct. 2008; 5 Nov. 2010

16 (Santiaguito, Masaya, Turrialba, Soufriere Hills, Chiles-Cerro Negro, Wolf, Fernandina, Ubinas, Lazufre, Cerro Blanco, Laguna del Maule, Copahue, Llaima, Villarrica, Cordón Caulle, Hudson)

TerraSAR-X/TandDEM-X (TSX/TDX) (X-band)

Deutsches Zentrum für Luft- und Raumfahrt (DLR)

400

15 Jun. 2007; 21 Jun. 2010

10 (Santiaguito, Chiles-Cerro Negro, Tungurahua, Sabancaya, Ubinas, Lazufre, Laguna del Maule, Villarrica, Cordón Caulle, Hudson)

Coregistered Single look Slant range Complex (CoSSC) (X-band)

DLR

150

21 Jun. 2010

15 (Santiaguito, Pacaya, Fuego, Arenal, Nevado del Ruiz, Reventador, Ubinas, Láscar, Copahue, Llaima, Villarrica, Cordón Caulle, Chaitén, Hudson, Chaitén)

Advanced Land Observation Satellite-2 (ALOS-2) (L-band)

Japan Aerospace Exploration Agency (JAXA)

200

24 May 2014

Data available for nearly all volcanoes for the ScanSAR beam. Stripmap beam: Santiaguito, Masaya, Fernandina, Wolf, Cordón Caulle, Calbuco.

RADARSAT-2 (RSAT2) (C-band)

Canadian Space Agency/MacDonald Detwiler and Associates (CSA/MDA)

270

14 Dec. 2007

15 (Popocatepetl, Pacaya, Santiaguito, Masaya, Turrialba, Cotopaxi, Tungurahua (later became part of the supersite), Reventador, Lazufre, Laguna del Maule, Copahue, Llaima, Villarrica, Cordón Caulle, Calbuco)

Sentinel-1A/B (C-band)

European Space Agency (ESA)

No limit

3 Apr. 2014; 22 Apr. 2016

Data available for nearly all volcanoes