The epicenter is the point on earths surface directly above an earthquake.

Locating the epicenter lab answer key pdf. Add a p or an s next to each wordphrase depending on if it describes a. Yet how many people can be lazy. To locate the epicenter of the earthquake a minimum of 3 circles from three different seismic stations must be drawn on the map. Locating an earthquake to locate the epicenter of an earthquake scientists must have seismograms from at least three seismic stations.

Explore 20 minutes the epicenter of earthquakes can be determined by triangulation using the difference in arrival times of p and s waves. Fill activity 4 locating an earthquake epicenter answer key edit online. Answer the following questions. First the distance from each center is calculated using the s p interval and this distance serves as the radius for a circle around the center.

Seismic stations detect earthquakes by the tracings made on seismographs. Locating an epicenter lab answer key review is a very simple task. Share out some ideas. Locating an epicenter background.

Describe the process of triangulation to locate an epicenter. Location distance miles sitka ak 1450 charlotte nc 2100 honolulu hi 2650 3. The procedure for locating an epicenter has three steps. Lab instructions 1visit map 1 north america 2click on location a 3record the p and s arrival times according to the seismogram 4calculate the lag time by subtracting the p arrival from the s arrival 5use the wedgie method to determine the distance to the epicenter.

If you were a seismologist you receive data from all across the country. Locate and mark the three seismic stations on the world map figure 3 page 5 7. Tracings made at three separate seismic stations are needed to locate an earthquake epicenter. 6repeat this for map 1 locations b and c.

Sign fax and printable from pc ipad tablet or mobile with pdffiller instantly. Within minutes after an earthquake seismologists located in san. Triangulation requires seismic data from three centers. This is illustrated below.

1291mb locating an epicenter lab answer key as pdf key answer an lab locating epicenter as docx epicenter an locating key answer lab as pptx locating an epicenter lab answer key how easy reading concept can improve to be an effective person. 570 n latitude 1350 w longitude charlotte nc. Scientists find the difference between the arrival times of the primary and the secondary waves at each of the three stations. Geologists who study earthquakes are called seismologist.

Locating the epicenter of an earthquake introduction. Find the earthquakes epicenter using the distances you just obtained. The location where the three circles overlap is the triangulated epicenter. The intersection of the three circles shows the location of the epicenter on the map.