12.07.2015 Views

Activity 4: Locating an Earthquake Epicenter Examining Seismograms

Activity 4: Locating an Earthquake Epicenter Examining Seismograms

Activity 4: Locating an Earthquake Epicenter Examining Seismograms

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Determining<strong>an</strong><strong>Earthquake</strong><strong>Epicenter</strong>1. Didallthreeofthecirclesdrawnwiththecompassoverlapinonespot?2. Thisearthquakeoccurredclosesttowhichcity,inwhichstate?3. Thisearthquakeoccurredinawell‐knownseismiczone.Whatisthenameofthisseismiczone?4. Tothebestyouofyourability,useapencil,orcoloredpenciltodraw the approximate location of the seismic zone named inquestion3.Besuretolabeltheseismiczoneonthemap.Brainstorming:Assume that the same earthquake occurred, but the seismic station inLos Angeles malfunctioned, <strong>an</strong>d did not record the earthquake. Withonly the information from seismic stations in St. Louis <strong>an</strong>d Houston,brainstorm how a geologist might determine the location of theearthquakeepicenter?

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