Remember how we said that earthquake activity can signal a possible volcanic eruption? Well scientist have recently noticed an increase in seismic activity around Mt Reboubt in Alaska.

A little hard to read but here is an image from the seismograph. Click on the image to get a larger view.

I’m sure many of you do not know where Mt Redoubt is located so here’s a map. 

Ecuador’s Tungurahua volcano is getting feisty again. In recent weeks, the volcano belched clouds of dark ash and streams of lava. Lahars or mudslides rumbled down its slopes while the ground around the summit shook from swarms of small quakes.