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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Continuous monitoring of the 2015–2018 Nevado del Ruiz activity, Colombia, using satellite infrared images and local infrasound records

Fig. 1

Map of the location of Nevado del Ruiz volcano (NRV). a Monitoring network at NRV. The square boxes at three infrasound stations show the alignments of two infrasound sensors (a Chaparral 60Vx sensor at ‘C’ and a Hakusan SI104 sensor at ‘H’). The distances of the stations from the NRV crater are 4.2 km (ACOLM), 5.3 km (ACINM), and 6.0 km (ACRUM). b Location of Nevado del Tolima Volcano (NTV) close to NRV. The image sources are RapidEye Satellite image in 2010 for a, and Google Earth (Landsat/Copernicus with copyrights of Maxar Technologies and CNES/Airbus) for b

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