Focus, Epicenter, Intesity, Magnitude, Etc... Flashcards
1
Q
What is PHILVOLCS
A
Philippine Institute of volcanology and seismology
2
Q
-Point in the rock’s zone of weakness where the breaking first starts.
- area where the seismic energy is released
A
Focus
3
Q
-Point on the surface diretcly above the focus.
-distance to the closest populated area.
A
Epicenter
4
Q
-Physical damage done by an earthquake
A
Intensity
5
Q
-Total amount of energy at the focus
A
Magnitude
6
Q
Instrument use to measure magnitude
A
Seismograph
7
Q
Time record of the motion of the ground
A
Seismogram
8
Q
Generated earthquake within last 10,000 years. May still continue.
-shallow earthquakes and movement exist
A
Active
9
Q
Do not show ever signs having earthquake in the last 10,000.
-it does not move
A
Inactive
