AdvertisementEavesdropping On A VolcanoAugust 19, 2022Gabriel SpitzerEmily KwongBerly McCoyfacebookEmailGlacier Peak is a 3214-meter (10,544-foot) volcano in the northern Cascade Mountains in Washington State. This summer the United States Forest Service (USFS) approved an application by the United States Geological Survey (USGS) to add four more seismometers to Glacier Peak. Scientists currently monitor volcanic activity with one seismometer. (U.S. Geological Survey)