1. Scripps Institution of Oceanography
Cyber TEAM Academy 2008
Earth Science
Dr. Debi Kilb
Scripps Institution of Oceanography

2. What’s the difference between a “Seismograph” and a “Seismogram”?
Seismograph: The instrument
(Apparatus to measure and record vibrations)
Seismogram: The actual wiggle
(Record of an Earth tremor recorded by a seismograph)

3. Earthquake Magnitude

4. Earthquake Fault Rupture Area
Magnitude -2
Magnitude 2
Magnitude ~8
(~300 miles)

5. Maximum Amplitude of Ground Shaking Determines Richter Magnitude