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EXERCISES
EXERCISES
Examination and evaluation of real-time oceanographic data on the internet

PRELIMINARY

I: TECTONICS
and OCEAN BASINS
Earthquakes and Plate Tectonics
Spreading Rates
CA Earthquakes
Volcanoes
Topography of the Ocean Floor
History of Ocean Basins

II: OCEANS/ ATMOSPHERIC GASES

III: OCEAN/
ATMOSPHERE DYNAMICS

IV: INTEGRATED TOPICS

 
EARTHQUAKES AND PLATE TECTONICS

General Information:

  • This exercise is one that is required .
  • It involves examination of a listing of recent earthquakes on the internet and assessment of their characteristics, especially magnitude and depth, and their relationship to plate boundaries.
  • The questions are given on the next pages ( questions ) and in oncourse .
  • Answers to all questions should be submitted via  oncourse .
  • Check the exercise set I noticeboard ( news ) for announcements.


Earthquake Information and Websites:
Format of Information in Earthquake Listings:
 
column(s) in list
units/scale
information

DATE-(UTC)-TIME
yy/mm/dd,  hh:mm:ss
timing of earthquake 
(co-ordinated universal time)

LAT LON
co-ordinates in degrees
location at surface (epicenter) 
directly above focus of earthquake

DEP
depth in km
depth of focus of earthquake

MAG
magnitude on the Richter scale
intensity of earthquake

Q
Mb A, Mb B, Md, Ml, etc.
signal used to measure intensity 
(not considered in the questions)

COMMENTS
geographic place name
location of earthquake,
link to further details and maps 

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Indiana University
Department of Geological Sciences, 
1001 E. Tenth Street, Bloomington, IN 47405-1403
Phone: (812) 855-5582  Last updated: 15 September 2002
Comments: simon@indiana.edu
Copyright 2002, The Trustees of Indiana University