PBS
Nova: Seismic Signals
Scientists have determined that the earthquakes preceding volcanic eruptions are different than those that precede earthquakes. Discover the sounds and wave patterns produced by the three different types of volcanic seismic activities.
CK-12 Foundation
Ck 12: Earth Science: Predicting Volcanic Eruptions
[Free Registration/Login may be required to access all resource tools.] How scientists can predict volcanic eruptions.
CK-12 Foundation
Ck 12: Earth Science: Predicting Volcanic Eruptions
[Free Registration/Login may be required to access all resource tools.] How scientists can predict volcanic eruptions.