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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

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

Fig. 2

A part of the volcano monitoring parameters at NRV taken by SGC-OVSM. a The cumulative numbers of volcano-tectonic (VT) earthquakes (red), long-period (LP) or very-long-period (VLP) events (blue), and hybrid (HB) ones (green). b The cumulative energy of VT (red) and HB (green) events. c Ash volume for the reported eruptions (triangles) obtained by (Londono and Galvis, 2018) and daily counts of ash emission events (bars) from SGC-OVSM catalog. d The daily maximum SO2 flux (blue bars) and its cumulative values (orange)

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