Featured image: Ivo Paul van Vliet @ivopaulvanvliet /Unsplash

Key words

A volcano, which is not active, but is still registering seismic activity

Remote sensing
The process of detecting and monitoring the physical characteristics of an area by measuring its reflected and emitted radiation at a distance from the targeted area

Volcanic gas plume
A column of hot volcanic ash and gas emitted into the atmosphere during an explosive volcanic eruption

Raspberry Pi
A low cost credit-card sized computer that can be used in electronic projects, and many things that desktop PCs do.