= spaces available= guaranteed= few spaces left= booked out
Volcano monitoring: seismographs
Earthquakes and tremors near volcanoes are some of the most important - and in many cases the only available - geophysical parameters to monitor volcanoes. Increasing earthquakes beneath a volcano are often the first indicators of a new eruption.
Sources:VolcanoDiscovery / VolcanoAdventures and other sources as noted. Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.