Weatherwatch: How UK firm’s low-cost tech can warn of volcanic eruptions (opens in new tab)

VolcanoTech’s sulphur dioxide detecting sensors are in already in use in a number of countriesWeather forecasts now include air quality warnings and cities have networks of air quality sensors driving real-time maps online.Similar air quality sensors can warn of an imminent volcanic eruption. Just as a fizzy drink releases carbon dioxide when the pressure is released, rising magma emits dissolved sulphur dioxide as it rises. So a big increase in this gas warns that a volcanic eruption may be ...