What technology did the U.S. Geological Survey (USGS) develop to help monitor volcanic activity at the five monitoring stations in the continental U.S., Alaska, Hawai'i, and the Mariana Islands?(1 point)
Responses
National Seismology Center
National Seismology Center
Federal Emergency Management Agency (FEMA)
Federal Emergency Management Agency (FEMA)
Volcano Notification Service (VNS)
Volcano Notification Service (VNS)
National Volcano Early Warning System (NVEWS)
National Volcano Early Warning System (NVEWS)