2.2A Flashcards
1
Q
What are magnitude and intensity?
A
The are objective, numerical descriptors of the size and intensity of tectonic events are usually based on measurements recorded from instrumentation.
2
Q
What is the Richter scale?
A
A measurement of the amplitude of the waves produced by an earthquake from 0-9.
2
Q
What is the VEI scale?
A
A relative measure of the explosiveness of a volcanic eruption, which is calculated from the volume of ejecta, and height of the eruption cloud and qualitative observations.