From the USGS article: > Scientific research has proven again and again that depressurization is one of the factors that drives magma toward the surface to eru

From the USGS article: > Scientific research has proven again and again that depressurization is one of the factors that drives magma toward the surface to erupt. The first time I heard of this idea my immediate thought was, "so you want to shove a needle into a massive magma balloon." I know I wouldn't.