Previous studies of other volcanoes have revealed a change in gas composition prior to an eruption that could serve as an early detection mechanism. (discovermagazine.com)
Similar «seismic crises» at other volcanoes have not always been followed in short spaces of time by eruptions. (theconversation.com)
Other volcanoes in Indonesia that have erupted more recently offer a greater wealth of data for seismologists to compare and assess. (theguardian.com)