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Physics, 17.03.2021 23:50 billey32

Assignment: Locating the Epicenter Exploration All over the Earth, seismographic stations keep their instruments operating all the time. By Uming the animal of Pwaves and Swaves, scientists at each station can tell how far their station is from the source of any earthquake. That distance is used as the radius of a drde around the gallon on a map of the world. The radius is the dislance from the center of the circle to any point on the clrcle. By comparing the distance from several stallons, selsmologists can locate the earthquake's epicenter. Look at the map. Notice that the three circles ovedap. The location where they overlap is the approximate epicenter of the earthquake. Finding the Epicenter Find the length of the radius of each circle. To calculate the radius, divide the distance from the eplcenter by 640 am Seismograph records were obtained from an earthquake in Central America. Using the Informabon in the table, locate the epicenter on the map. You will need a compass and ruler. On this map. 1 cm is equal to 640 km​
Buenos Aires 1 min, 50 sec 1,600 km
Lima 3 min, 45 sec 2,400 km
Brasilia 4 min, 5 sec 2,880 km


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