Predicting volcanic disasters

Question 1 - 6

Use ONE WORD ONLY for each answer.

PREDICTING VOLCANIC DISASTERS

Indicator
Monitoring technique
Hundreds of earthquakes caused by magma colliding with 1rocks
﻿
Seismometers - small devices to detect the 2motion
 of the ground and record the frequency of earthquakes.
Spikes in 3temperature
 could warn of worrying levels of volcanic activity
Visual information is normally collected by 4satellites
﻿
Changes in atmospheric 5conditions
, especially rises in gases, e.g. CO2 or sulphur.
Gas samples are collected and analysed using a type of 6chemical
 detector

Indicator	Monitoring technique
Hundreds of earthquakes caused by magma colliding with 1rocks	Seismometers - small devices to detect the 2motion of the ground and record the frequency of earthquakes.
Spikes in 3temperature could warn of worrying levels of volcanic activity	Visual information is normally collected by 4satellites
Changes in atmospheric 5conditions , especially rises in gases, e.g. CO2 or sulphur.	Gas samples are collected and analysed using a type of 6chemical detector

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