Maps were generated using Tsunami Travel Times (TTT) software (see below) developed by Paul Wessel, Geoware. For teaching purposes, just go with the first arrivals in Figure 1, but to get a sense of the complexity see next page. between the S and P waves and the graph on the next page. A magnifying glass. After looking at the Earthquake Time Travel Graph, it is clear that the two curves have a difference of 5 units on the time axis at x = 3. o Arrival times can be represented on a travel-time graph or T-X plot, . It indicates, "Click to perform a search". It indicates, "Click to perform a search". This time difference can be converted. Therefore the earthquake has an epicenter distance of km, or 3,400 km. Earthquake-station distances need to be calculated separately by first picking P and S arrival times on seismograms, and then using a P and S wave travel time graph to determine the distance. Let’s start with: TRAVEL TIME or DISTANCE from EPICENTER (Given one, find the other) Sample Problem: A seismic station is 3000 kilometers from the epicenter of an earthquake. Earthquake Travel Times: Specify Earthquake Generate a listing of the times that phases arrived at your seismic station from a specified earthquake. The latter time is known as the S minus P time. It is also a fundamental piece of information necessary for facilitating studies of Earth's internal structures. The information is then used to determine earthquake locations, the subsurface structures and etc. Enter the latitudes and longitudes using decimal degrees and negative numbers to represent West and South directions. A calculator (optional) Internet Access ; Time spent performing this task typically ranges from 25 to 45 minutes. html 2) Select an earthquake to view, and click the go button. The calculated velocity is 12. Start by loading the data. Earthquake-station distances need to be calculated separately by first picking P and S arrival times on seismograms, and then using a P and S wave travel time graph to determine the distance. P waves travel faster, so they arrive first. What would the lag time be if the distance traveled were 500 miles? Vehicle A would take 10 hours to travel 500 miles, but Vehicle B would take 20 hours. Therefore, it has been applied to extract the fBm-like nature of time series in several contexts such as finance [], health science [18, 19], image processing [], and geophysics [21, 22]. Use the Y-axis (time travel) and use a piece of scrap paper to mark the time difference. This time difference can be converted. Let’s start with: TRAVEL TIME or DISTANCE from EPICENTER (Given one, find the other) Sample Problem: A seismic station is 3000 kilometers from the epicenter of an earthquake. To plot a different selection of events, visit Interactive Earthquake Browser. S waves are indicated by an abrupt change in wave amplitude. You can use the calculator below to summarize . Use the wave speed formula to approximate the tsunami's speed. Used to triangulate the earthquake's. Usually, the flight time will be shorter, but if the destination is close, the driving time can still be reasonable. Earthquake-station distances need to be calculated separately by first picking P and S arrival times on seismograms, and then using a P and S wave travel time graph to determine the distance. It indicates, "Click to perform a search". There are three curves on the graph: The upper curve shows S wave travel-time. To construct and utilize a graph to characterize the relationship between distance and time of travel of seismic waves (a travel time-curve). This graph will be used to determine the distance to an epicenter based on the amount of time that earthquake waves have traveled. Slide the scrap paper along the graph to find the location that the interval is touching both P-wave and S-wave line. Use the Y-axis (time travel) and use a piece of scrap paper to mark the time difference. It can help seismologists identify and map seismic hazards. When an undersea earthquake strikes near a coastal area or a remote seafloor, the resulting large ocean waves can cause more damage than the earthquake. (Public domain. Basic Math. After looking at the Earthquake Time Travel Graph, it is clear that the two curves have a difference of 5 units on the time axis at x = 3. (b) Her final displacement. Used to triangulate the earthquake's. (New) Standard Phrases for use in Graph Writing Task-I (KBS) JSEnter one or more tags separated Click on a pin on the map to see more information. Therefore the earthquake has an epicenter distance of km, or 3,400 km. Earthquake-station distances need to be calculated separately by first picking P and S arrival times on seismograms, and then using a P and S wave travel time graph to determine the distance. Used to triangulate the earthquake's. Time Travel. Earthquake Travel Time Information and Calculator Calculator: Generate a listing of phase arrival times at YOUR seismic station Recent Earthquakes Specify Earthquake Graph of seismic travel time in minutes versus distance in degrees for an earthquake at the Earth's surface Table of P and S minus P times versus distance in degrees. Example Problem #1: First, determine the arrival time of first shear wave (s). Estimate to the nearest half-second the S-P interval from the three seismograms shown in Figures 1, 2 and 3. Determine the location on the graph where the two curves have a time difference equal to the time difference you previously calculated. Here are few more real life examples -, Storage coefficient from. Calculating the Epicenter of Earthquakes Main Concept Seismology is the study of earthquakes, their effects, and seismic waves. Log In My Account yz. edu/earthquakeA travel-time curve is a graph of the time that it takes for seismic waves to travel from the epicenter of an earthquake s. Want this question. Earthquake Sound SLAPS-M12 12-inch Passive Radiator for Home and Mobile Audio Subwoofer Enclosures. The name P-wave is often said to stand either for primary wave, as it has the highest velocity and is therefore the first to. Frequency is cycles per second. 5 that occurred in Northern Colombia on February 7th of this year will be used as an example for this instructable. Using this time, the information gathered in Part A, and the travel time curve, to calculate the exact time (to the nearest second), when the earthquake originated. A travel-time curve is a graph of the time that it takes for seismic waves to travel from the epicenter of an earthquake (time and distance = zero) to seismograph stations varying distances away. Want this question. Add an answer. NOTE: Out of stock; self-printing only. The P waves are easy to identify because they are always first to arrive and their amplitude is smaller than the S wave. 0 = 5. Earthquake seismology is the best tool to study the interior of the earth. Earthquake-station distances need to be calculated separately by first picking P and S arrival times on seismograms, and then using a P and S wave travel time graph to determine the distance. Therefore the earthquake has an epicenter distance of km, or 3,400 km. yf; oc; hb; Related articles; bx; sa; oc; go. After, use the S-P travel time curve (Fig. Therefore the earthquake has an epicenter distance of km, or 3,400 km. Therefore the earthquake has an epicenter distance of km, or 3,400 km. We are showing the 1000 latest earthquakes with a magnitude of at least 5. For each earthquake in your data table, calculate the velocity of the seismic wave by dividing the distance by the elapsed time you calculated from the seismogram. It indicates, "Click to perform a search". Main +65 6297 3328 | 16 Shaw Road #01-02, Singapore 367954. After looking at the Earthquake Time Travel Graph, it is clear that the two curves have a difference of 5 units on the time axis at x = 3. 5 minutes after the earthquake occurs. Math Calculator. Earthquake P-wave and S-wave Travel Time Worksheet 1. The difference between the S-wave arrival time and the P-wave arrival time corresponds to the distance of the seismograph station from the earthquake focus. Click the Distance Graph button. It handles many types of velocity models and can calculate times for virtually any seismic phase with a phase parser. Earthquake-station distances need to be calculated separately by first picking P and S arrival times on seismograms, and then using a P and S wave travel time graph to determine the distance. Time: 20 minutes. The Travel Time Calculator will instantly calculate the travel time it takes to get anywhere if you enter the distance to your destination and the average speed you plan to travel. For teaching purposes, just go with the first arrivals in Figure 1, but to get a sense of the complexity see next page. You may choose to view an older earthquake. The record of an earthquake, a seismogram, as recorded by a seismometer, will be a plot of vibrations versus time. Once you’ve calculated the S-P Interval Time/Lag Time for this Seismic Station, determine how far away this station was from the Epicenter of the earthquake. A travel time curve is a graph of the time that it takes for seismic waves to travel from the epicenter of an earthquake to seismograph stations at varying distances away. Effect of travel path on shaking at a distance. Since it is so simple to calculate the travel times of all seismic phases to . Time Travel. 5 that occurred in Northern Colombia on February 7th of this year will be used as an example for this instructable. Determine the location on the graph where the two curves have a time difference equal to the time difference you previously calculated. Enter the latitudes and longitudes using decimal degrees and negative numbers to represent West and South directions. What is an earthquake time travel graph answers? Wiki User. Area under a curved graph = ½ × d × (first + last + 2(sum of rest)). What is an earthquake time travel graph answers? Wiki User. Determine the location on the graph where the two curves have a time difference equal to the time difference you previously calculated. 8 earthquake? An explanation of the magnitude of an earthquake versus the strength, or energy release, of an earthquake. Seismic velocities within the earth can be computed from the slopes of. A travel-time curve is a graph of the time that it takes for seismic waves to travel from the epicenter of an earthquake (time and distance = zero) to seismographseismographModern sensitivities come in three broad ranges: geophones, 50 to 750 V/m; local geologic seismographs, about. The distance of a seismic station from an earthquake is easily. Want this question. View the latest earthquakes on the interactive map above, displaying the magnitude, location, depth and the event time. Earthquake-station distances need to be calculated separately by first picking P and S arrival times on seismograms, and then using a P and S wave travel time graph to determine the distance. (2002)(3)] is mainly used for theoretical travel time calculation. The focal depth should be entered in km, where 0 = Surface. After looking at the Earthquake Time Travel Graph, it is clear that the two curves have a difference of 5 units on the time axis at x = 3. How to Use an Earthquake Travel Time Graph An Earthquake Travel Time Graph can be used to find several different variables. Earthquake Live Map. earthquake epicenter for Station 2. Earthquake-station distances need to be calculated separately by first picking P and S arrival times on seismograms, and then using a P and S wave travel time graph to determine the distance. Let’s start with: TRAVEL TIME or DISTANCE from EPICENTER (Given one, find the other) Sample Problem: A seismic station is 3000 kilometers from the epicenter of an earthquake. A travel - time curve is a graph of the time that it takes for seismic waves to travel from the epicenter of an earthquake ( time and distance = zero) to seismograph stations varying distances away. ∙ 2012-10-26 03:57:33. Add an answer. " When you exit your browser, these values will be stored on your hard disk. Step 1: Choose an Earthquake. The distance of a seismic station from an earthquake is easily. How to Use an Earthquake Travel Time Graph An Earthquake Travel Time Graph can be used to find several different variables. pdf' data-unified='{"domain":"igppweb. If the total distance travelled was 500 miles and the time it took you was 5 hours, then your average speed was 500 / 5 = 100 miles per hour (mph). What is an earthquake time travel graph answers? Wiki User. Therefore the earthquake has an epicenter distance of km, or 3,400 km. In chico p-wave arri. Maps do not provide information on the height or the strength of the wave, only the arrival times. Therefore the earthquake has an epicenter distance of km, or 3,400 km. After looking at the Earthquake Time Travel Graph, it is clear that the two curves have a difference of 5 units on the time axis at x = 3. The table shows the distance a seismic wave can travel based on its distance from an earthquakeÕs epicenter. The epicentre is the location on the surface of the Earth below which the earthquake. Travel-time curves are graphs that indicate how long it takes each type of seismic wave to travel a distance measured on Earth's surface. A travel-time curve is a graph of the time that it takes for seismic waves to travel from the epicenter of an earthquake (time and distance = zero) to seismograph stations varying distances away. Calculating the Origin Time of the Earthquake (10 pts) The first seismic waves felt in Reno, Nevada occurred at 9:31:45 am (hrs:minutes:seconds). +90 latitude is N to -90 latitude is S of equator; +180 longitude is E to -180 longitude is W of prime meridian. Epicentral Distance & Phase Travel Time Calculator. Add an answer. Change Equation. But have you ever stopped to think about how that vacation is funded? Chances are, your employer helps pay. You can use the calculator below to summarize . html 2) Select an earthquake to view, and click the go button. Measure the distance between the first P wave and the first S wave. Time Travel. On the y - axis, find the time difference you calculated and then find the corresponding x - value. earthquake time travel graph calculator Epicentral Distance & Phase Travel Time Calculator. If the application does not load, try our legacy Latest Earthquakes application. Determine the location on the graph where the two curves have a time difference equal to the time difference you previously calculated. This vodcast briefly goes over how to find distance to an epicenter and time traveled by a seismic body wave using an S-P time curve. Let’s start with: TRAVEL TIME or DISTANCE from EPICENTER (Given one, find the other) Sample Problem: A seismic station is 3000 kilometers from the epicenter of an earthquake. Once you’ve calculated the S-P Interval Time/Lag Time for this Seismic Station, determine how far away this station was from the Epicenter of the earthquake. (Public domain. Add an answer. Therefore the earthquake has an epicenter distance of km, or 3,400 km. After looking at the Earthquake Time Travel Graph, it is clear that the two curves have a difference of 5 units on the time axis at x = 3. By looking at the time between the arrivals of the P- and S-waves, one can determine the distance to the earthquake from that station, with longer time intervals indicating longer distance. Determine the location on the graph where the two curves have a time difference equal to the time difference you previously calculated. model how earthquake waves travel through the Earth at different speeds. [ graph of seismic wave travel time as a function of distance ] . Therefore the earthquake has an epicenter distance of km, or 3,400 km. The arrival times of P, S, and surface waves are shown to be predictable. earthquake epicenter for Station 2. Let’s start with: TRAVEL TIME or DISTANCE from EPICENTER (Given one, find the other) Sample Problem: A seismic station is 3000 kilometers from the epicenter of an earthquake. Time can be entered or solved for in units of secondes (s), minutes (min), hours (hr), or hours and minutes and seconds (hh:mm:ss). 2 Calculation of travel times for layer and gradient model, TTLAYER. The focal depth should be entered in km, where 0 = Surface. T sunami speed (1) v= √g∗h T s u n a m i s p e e d ( 1) v = g ∗ h. We are showing the 1000 latest earthquakes with a magnitude of at least 5. To locate the centre to the earthquake (epicentre), various seismograms are analyzed for the lag time (time difference) between the P and S waves. A magnifying glass. This vodcast briefly goes over how to find distance to an epicenter and time traveled by a seismic body wave using an S-P time curve. Use the following mileage calculator to determine the travel distance, in terms of miles, and time taken by car to travel between two locations in the United States, disregarding traffic conditions. 50 miles per second, and the lag time is 15 seconds, the distance of the earthquake epicenter will be 100 miles. These distances are determined using a travel-time curve, which is a graph of Pand S-wave arrival times (see Figure 13. o Arrival times can be represented on a travel-time graph or T-X plot, that is P-wave arrival times. This time difference can be converted. Ball & Roller Bearings; Couplings; Fastener & Fittings. Travel-time curves are graphs that indicate how long it takes each type of seismic wave to travel a distance measured on Earth's surface. How much bigger is a magnitude 8. Travel-time curves are graphs that indicate how long it takes each type of seismic wave to travel a distance measured on Earth's surface. Round off the distance to the nearest 500-m increment. Time Travel. However, asking if it's safe to travel somewhere because of recent. Travel-time curves are graphs that indicate how long it takes each type of seismic wave to travel a distance measured on Earth's surface. earthquake time travel graph calculator Epicentral Distance & Phase Travel Time Calculator. Your Mission: (1) Simulate velocities of different materials and how earthquake waves travel through the Earth at different speeds. Your Mission: (1) Simulate velocities of different materials and how earthquake waves travel through the Earth at different speeds. Referring to the Earthquake Time Travel Graph below, determine the location on the graph where the two lines have a difference in their y values equal to the time difference you. To use the constructed time-travel graphs to locate the epicenter of a simulated. 8 earthquake? An explanation of the magnitude of an earthquake versus the strength, or energy release, of an earthquake. edu/earthquakeA travel-time curve is a graph of the time that it takes for seismic waves to travel from the epicenter of an earthquake s. Determine the location on the graph where the two curves have a time difference equal to the time difference you previously calculated. The Math Calculator will evaluate your problem down to a final solution. Time Travel. Place the marked scrap paper between the P-wave and S-wave line on the graph. Using the bind parameter @queryTime with value t in the query below, we should get all the valid paths. Earthquake-station distances need to be calculated separately by first picking P and S arrival times on seismograms, and then using a P and S wave travel time graph to determine the distance. Fill in the chart below P-wave travel time Distance from the Epicenter 2,000 km 11 min 20 sec 6,800 km 8 min 40 sec S-wave travel time Distance from. graph from: Earthquake Travel Time Information and Calculator. This graph will be used to determine the distance to an epicenter based on the amount of time that earthquake waves have traveled. The distance of a seismic station from an earthquake is easily. Log In My Account yz. Earthquake Travel Time Information and Calculator Calculator: Generate a listing of phase arrival times at YOUR seismic station Recent Earthquakes Specify Earthquake Graph of seismic travel time in minutes versus distance in degrees for an earthquake at the Earth's surface Table of P and S minus P times versus distance in degrees. The difference in arrival time of the waves are: Station A: 238 seconds. Therefore, the farther a seismic recording station is from the earthquake epicenter the greater will be the difference in time of arrival between the P and S wave. Maps were generated using Tsunami Travel Times (TTT) software (see below) developed by Paul Wessel, Geoware. They are used by seismologists to quickly locate earthquakes. It is also a fundamental piece of information necessary for facilitating studies of Earth's internal structures. But have you ever stopped to think about how that vacation is funded? Chances are, your employer helps pay. What is an earthquake time travel graph answers? Wiki User. The Travel Time Calculator will instantly calculate the travel time it takes to get anywhere if you enter the distance to your destination and the average speed you plan to travel. Determine the location on the graph where the two curves have a time difference equal to the time difference you previously calculated. This time difference can be converted. Epicentral Distance & Phase Travel Time Calculator. Calculate the time difference for when the waves were received at each station. For teaching purposes, just go with the first arrivals in Figure 1, but to get a sense of the complexity see next page. Plot the calculated travel times at the five distances (place a dot at the distance and location given by the data in columns 1 and 5 of Table 1 on the graph shown in Figure 4. read over to the Travel Time axis. Enter the two magnitudes you want to compare - for our example these are 5. subreddit list nsfw, gay xvids
To use the constructed time-travel graphs to locate the epicenter of a simulated earthquake by triangulation. . Earthquake time travel graph calculator
Using the. The time, or more precisely, the duration of the trip, can be calculated knowing the distance and the average speed using the formula: t = d / v where d is the distance travelled, v is the speed (velocity) and t is the time, so you can read it as Time = Distance / Speed. How long will it take a P wave to travel 8000km? _____ 2. The focal depth should be entered in km, where 0 = Surface. +90 latitude is N to -90 latitude is S of equator; +180 longitude is E to -180 longitude is W of prime meridian. The network-theoretical method enables us to estimate H and β more easily than other standard methods such as calculating power spectrum []. 1 out of 5 stars 105. Want this question. Earthquake Travel Time Information and Calculator Home Page ** By using the button "Store coordinates," the station coordinates that currently appear will be stored by your browser for later use. The focal depth should be entered in km, where 0 = Surface. Time: 20 minutes. earthquake magnitude. The difference between the S-wave arrival time and the P-wave arrival time corresponds to the distance of the seismograph station from the earthquake focus. What is an earthquake time travel graph answers? Wiki User. Want this question. This time difference is called the S minus P (S – P) time and is like the Walk – Run [or Slow Walk – Walk] time of our simulation. Seismic velocities within the earth can be computed from the slopes of. FREE delivery Thu, Nov 17. Travel-time curves are graphs that indicate how long it takes each type of seismic wave to travel a distance measured on Earth's surface. IRIS' travel times graphic for the 1994 Northridge, CA earthquake. A magnifying glass. Using this time, the information gathered in Part A, and the travel time curve, to calculate the exact time (to the nearest second), when the earthquake originated. The amplitude of shaking is 10 times larger. +90 latitude is N to -90 latitude is S of equator; +180 longitude is E to -180 longitude is W of prime meridian. This time difference can be converted. To use the constructed time-travel graphs to locate the epicenter of a simulated earthquake by triangulation. Time Travel. Calculate the time difference for when the waves were received at each station. Composite ANSS list of earthquakes for the past 14 days. This time difference can be converted. To plot a different selection of events, visit Interactive Earthquake Browser. It indicates, "Click to perform a search". Earthquake calculator. Let’s start with: TRAVEL TIME or DISTANCE from EPICENTER (Given one, find the other) Sample Problem: A seismic station is 3000 kilometers from the epicenter of an earthquake. Earthquakes, volcanoes and mountain ranges tend to happen in similar areas. Use the following mileage calculator to determine the travel distance, in terms of miles, and time taken by car to travel between two locations in the United States, disregarding traffic conditions. Time Travel. Area under a curved graph = ½ × d × (first + last + 2(sum of rest)). The following example problems outline how to calculate Epicenter Distance. 7 earthquakethan a magnitude 5. This program can be used together with the "saclst" program. Earthquake Travel Time Information and Calculator Calculator: Generate a listing of phase arrival times at YOUR seismic station Recent Earthquakes Specify Earthquake Graph of seismic travel time in minutes versus distance in degrees for an earthquake at the Earth's surface Table of P and S minus P times versus distance in degrees. Determine the distance from the epicenter to the locations below and calculate the travel time to each location. To use the constructed time-travel graphs to locate the epicenter of a simulated earthquake by triangulation. Time Travel. 7 earthquake than a magnitude 5. Determine the location on the graph where the two curves have a time difference equal to the time difference you previously calculated. Time Travel. Earthquake-station distances need to be calculated separately by first picking P and S arrival times on seismograms, and then using a P and S wave travel time graph to determine the distance. But I suspect it involves a multidigraph where each vertex represents an individual organism, and each arrow represents a gamete, pointing from the parent that created the gamete to the child. Step 1: Choose an Earthquake 1) Go to: http://rev. Knowing precisely where an earthquake occurred is an important piece of scientific information. By looking at the time between the arrivals of the P- and S-waves, one can determine the distance to the earthquake from that station, with longer time intervals indicating longer distance. USGS Magnitude 2. Frequency is cycles per second. After looking at the Earthquake Time Travel Graph, it is clear that the two curves have a difference of 5 units on the time axis at x = 3. html 2) Select an earthquake to view, and click the go button. They are used by seismologists to quickly locate earthquakes. P-waves can be produced by earthquakes and recorded by seismographs. Explain how you arrived at your answer. What would the lag time be if the distance traveled were 500 miles? Vehicle A would take 10 hours to travel 500 miles, but Vehicle B would take 20 hours. Enter the latitudes and longitudes using decimal degrees and negative numbers to represent West and South directions. 48 $ 52. P-waves are a type of elastic wave, called seismic waves in seismology, that can travel through a continuum. Robert Butler briefly describes how to use seismic travel-time curves. Make sure you subtract any rests or stops you made from the total trip duration. They are retrieved by using the button "Retrieve coordinates. +90 latitude is N to -90 latitude is S of equator; +180 longitude is E to -180 longitude is W of prime meridian. Add an answer. Determine the location on the graph where the two curves have a time difference equal to the time difference you previously calculated. Add an answer. Used to triangulate the earthquake's. By looking at the time between the arrivals of the P- and S-waves, one can determine the distance to the earthquake from that station, with longer time intervals indicating longer distance. Earthquake Travel Times: Specify Earthquake Generate a listing of the times that phases arrived at your seismic station from a specified earthquake. The latter time is known as the S minus P time. To construct and utilize a graph to characterize the relationship between distance and time of travel of seismic waves (a travel time-curve). You can also add, subtraction, multiply, and divide and complete any arithmetic you need. To construct and utilize a graph to characterize the relationship between distance and time of travel of seismic waves (a travel time-curve). seismic time series and casts fresh light on the physics of earthquakes. The default units are miles and miles per hour, but the calculator will also work if you use kilometers and kilometers per hour. The velocity of seismic waves through different materials yield information about Earth's deep interior. Determine the location on the graph where the two curves have a time difference equal to the time difference you previously calculated. After looking at the Earthquake Time Travel Graph, it is clear that the two curves have a difference of 5 units on the time axis at = 3. 8 magnitude. earthquake epicenter for Station 2. The earthquake is a shaking of the Earth's surface, caused by the displacement of a part of the Earth's crust and the sudden release. The record of an earthquake, a seismogram, as recorded by a seismometer, will be a plot of vibrations versus time. NOTE: Out of stock; self-printing only. Latest Earthquakes in the world. Time Travel. This intercept time is the time where the refraction line extends to intercept the \(y\)-axis –above the source position–. Earthquake-station distances need to be calculated separately by first picking P and S arrival times on seismograms, and then using a P and S wave travel time graph to determine the distance. It indicates, "Click to perform a search". This time difference can be converted. The latter time is known as the S minus P time. nu; xk. Determine the location on the graph where the two curves have a time difference equal to the time difference you previously calculated. If the total distance travelled was 500 miles and the time it took you was 5 hours, then your average speed was 500 / 5 = 100 miles per hour (mph). Add an answer. ∙ 2012-10-26 03:57:33. To construct and utilize a graph to characterize the relationship between distance and time of travel of seismic waves (a travel time-curve). Earthquake Travel Time Information and Calculator Calculator: Generate a listing of phase arrival times at YOUR seismic station Recent Earthquakes Specify Earthquake Graph of seismic travel time in minutes versus distance in degrees for an earthquake at the Earth's surface Table of P and S minus P times versus distance in degrees. Add an answer. Use a compass to draw circles on the map around Stations 2 and 3 according to the distance data. The slower S-wave would take 19:20 (19 min. Determine the location on the graph where the two curves have a time difference equal to the time difference you previously calculated. The earthquake generated a tsunami with runup heights reaching 6 meters, causing extensive damage along the western and northern coasts of Puerto Rico. It can help seismologists identify and map seismic hazards. . justia trademarks