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Unformatted text preview: arrive after p wave?…delay/longer path.. not just
straight through, have to go up and down
- sooo S waves are slower (think of thunder storm and counting how
close/far it is.. "1 1000, 2 1000"...delay (think s as thunder.. after p wave
- surface wave = most damage 5 minutes
11 - further away from epicentre, longer the time gap
epicentre of an
A Time Travel Graph:
used to locate
triangulation used to
12 4 - circles intersect; time lag at 3 diff stations... - where intersect = epicentre Locating the
epicentre - epicentre has to be on the radius somewhere along that circle Triangulation
Ridge 13 - someone could feel it stronger b/c of the building, where it's built (ground)
Measuring the size of earthquakes
Two measurements that describe the size of an
Intensity – a measure of the degree of earthquake
shaking at a given locale based on the amount of
damage (based on amount of damage, shaking felt) Magnitude – estimates the amount of energyreleased
at the source of the earthquake (Richt...
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This document was uploaded on 02/25/2014.
- Fall '14