Determining The Earthquake Epicenter rams are Below co estimate the S-P time interval for each of the recording stations. Record you each seismogram. 250 200 150 100 50 O mm 50 100 1 50 200 250 10 20 30 40 50 60 70 80 90 100 110 Eureka, CA Seismic Station S-P Interval = 45 seconds

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