http://en.wikipedia.org/wiki/Prediction_of_volcanic_activity hum There are other indicators volcano monitoring predicted Seismic monitoring volcano monitoring Despite recent advances in predictive technology predicted volcano monitoring There are other indicators Prediction of volcanic activity view article English Voorspelling van vulkanische activiteit การระเบิดของภูเขาไฟ Despite recent advances in predictive technology http://en.wikipedia.org/wiki/Prediction_of_volcanic_activity volcano prediction