John Seach, Volcano Live

 Assessment of Volcanic Eruptions - John Seach

Instrumental Observations

seismograph
  • permanent or temporary
  • distance from eruption point
  • type
  • component
  • natural period (sec)
  • magnification (x)
micro-barometer
magnetometer
gravity meter
geodimeter
GPS measurements
satellite images
tiltmeter
infrared radiation meter
aerial observations
airborne equipment
other instruments

 

Volcanic Eruptions - instrumental observations
www.volcanolive.com
Copyright John Seach