If the average height in a wave record is 3.5 m and the average period is 6.9 s, how many waves would exceed 4 m height in a wave record that is 30 min long?
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If the average height in a wave record is 3.5 m and the average period is 6.9 s, how many waves would exceed 4 m height in a wave record that is 30 min long?
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- what is this A surface wave means vertically oscillating. It is defined as rocks fracture along cracks A body wave which means transmitting energy via push pull motion.11.3 A seismograph recording from the 1978 Magnitude 7.4 earthquake in Tabas, Iran, is shown below. Different wave patterns are observed in this seismograph. Acceleration (g) 0.5 D'D -0.5 0 10 20 30 40 Time (seconds) a) Which parts of the seismogram represent P-wave and S-wave? b) Which wave (P-wave or S-wave) arrived first? c) Which wave (P-wave or S-wave) caused the strongest shaking? d) What was the approximate peak (maximum) ground acceleration? e) What was the total recording duration in this seismograph? f) What is the approximate duration of the strongest ground shaking?Over a great circle route between an earthquake epicentre off the coast of Chile and Hawaii the average depth is 100m for 150 n.m. (1 nautical mile = 1852 m), 3300m for 390 nautical miles, 4000m for 3800 nautical miles and 5200m for 1300 nautical miles. The earthquake creates a wave in a water depth of 1300m with a period of 40 min and a height, Ho, of 0.9 m. By calculating the wavelength, phase speed, and tsunami travel time for each part of the great circle route, determine the total travel time between the epicentre and endpoint of the route. Give your answer in hours, rounded to two decimal places.