EARTH 20 Lecture 7: EARTH20 L7 (2.7.18)
Document Summary
Caused landslides into mountains but not a catastrophe because no one lives there. One of the most recognizable products of earthquakes. Long wavelength sea waves (160km in between each wave) Long wave periods: (160 km) / (800 km/hr)= twelve minutes. Generated wherever there is a large volume of water that is suddenly displaced. Earthquake displacement of seafloor (normally subduction zones) 20,000 deaths reported (most due to tsunami) Water mains broke during shaking and couldn"t stop fire. Water mains broke > couldn"t fight fire. Majority of the city was burning of three days. Army corps lit dynamite to attempt to stop the fire. Overdue for an earthquake (no major earthquake since 1999), istanbul = next according to linear trend (not well-prepared) West coast of south america has biggest and most frequent earthquakes. Seismic gap area where no earthquakes occur for an extended period of time. Connects subduction and transform zones (cocos and caribbean plates) Different types of volcanoes and associated features.
