can we predict when a volcano will erupt not yet but scientists have identified key warning signs that indicate when an eruption is likely two years ago the world’s largest active volcano monoa in Hawaii erupted after being dormant for 38 years about 2 months before the eruption geologists in Hawaii detected more earthquakes around the volcano that’s because magma was coming up from the Earth’s crust Under the Volcano Summit hfo at this time also um increased its Outreach efforts with the local communities and started visiting different communities across the island to talk about what the next monolo eruption might look like and how residents could prepare if they needed to evacuate so all of this was happening in Earnest in October and November leading up to the start of the eruption and now we have a much better idea of what monol Lois eruption patterns look like which will help sharpen future forecasts for the hundreds of active volcanoes around the world