A9R18EC.tmp 10 - Epicenter = is the point on the Earth 's...

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Prof. M. Fall - University of Ottawa 10 Impact of meteorite (-65Ma) b Impact crater CHICXULUB in Yucatan (Mexique). b Crater detected using gravimetric method Source: A. Randrianasolo Origin: Example Earthquake (9) Origin: Example Source: FEMA Shallow earthquakes Earthquake (10) Origin: Example Source: FEMA Shallow earthquakes Deep earthquakes Earthquake (11) B When an EQ starts, seismic waves propagate within the earth’s crust. Focus (or hypocenter) = The point beneath Earth’s surface where the movement occurs is the focus of the earthquake
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Unformatted text preview: Epicenter = is the point on the Earth 's surface that is directly above the hypocenter or focus . Source P. A. Bourque, 2004 Localization Focus Epicenter Earthquake (12) Seismic waves Earthquake (13) 3 main types of Seismic waves are generated by an earthquake: P (or primary) and S (or secondary) waves, propagate within the body of the Earth, while the third, consisting of Love and Rayleigh waves, propagates along its surface Seismic waves Earthquake (14) Source: FEMA...
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This note was uploaded on 03/21/2011 for the course GNG 4124 taught by Professor Soils during the Spring '11 term at Uni. of Nottingham Ningbo.

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