Something that you should know, if you live in California...
					                                    
					                                
					                            
					                        
					                    
					                
					                
					                    
					                        
					                        
					                    
					                    
					                        
					                        
					                    
					                
					            
					            
					                
					                    
					                        
					                        
					                    
					                    
					                        
					                        
					                    
					                
					            
					        
					    
					    
					        
					            
					                
					                    
					                        
					                        
					                        
					                        
					                    
					                    
					                        
					                        
					                            
					                        
					                        
					                    
					                    
					                        
					                    
					                    
					                        
					                        
					                            
Pacific Ring of Fire
					                            
The
					 Pacific Ring of Fire is an area of frequent earthquakes and volcanic 
					eruptions encircling the basin of the Pacific Ocean. In a 40,000 km 
					horseshoe shape, it is associated with a nearly continuous series of 
					oceanic trenches, volcanic arcs, and volcanic belts and/or plate 
					movements. The Ring of Fire has 452 volcanoes and is home to over 75% of
					 the world's active and dormant volcanoes. It is sometimes called the 
					circum-Pacific belt or the circum-Pacific seismic belt. Ninety percent 
					of the world's earthquakes and 81% of the world's largest earthquakes 
					occur along the Ring of Fire. The next most seismic region (5–6% of 
					earthquakes and 17% of the world's largest earthquakes) is the Alpide 
					belt which extends from Java to Sumatra through the Himalayas, the 
					Mediterranean, and out into the Atlantic. The Mid-Atlantic Ridge is the 
					third most prominent earthquake belt. The Ring of Fire is a direct 
					result and consequence of plate tectonics and the movement and 
					collisions of crustal plates. The eastern section of the ring is the 
					result of the Nazca Plate and the Cocos Plate being subducted beneath 
					the westward moving South American Plate. A portion of the Pacific Plate
					 along with the small Juan de Fuca Plate are being subducted beneath the
					 North American Plate. Along the northern portion the northwestward 
					moving Pacific plate is being subducted beneath the Aleutian Islands 
					arc. Further west the Pacific plate is being subducted along the 
					Kamchatka Peninsula arcs on south past Japan. The southern portion is 
					more complex with a number of smaller tectonic plates in collision with 
					the Pacific plate from the Mariana Islands, the Philippines, 
					Bougainville, Tonga, and New Zealand. Indonesia lies between the Ring of
					 Fire along the northeastern islands adjacent to and including New 
					Guinea and the Alpide belt along the south and west from Sumatra, Java, 
					Bali, Flores, and Timor. The famous and very active San Andreas Fault 
					zone of California is a transform fault which offsets a portion of the 
					East Pacific Rise under southwestern United States and Mexico. The 
					motion of the fault generates numerous small earthquakes, at multiple 
					times a day, most of which are too small to be felt. The active Queen 
					Charlotte Fault is a transform fault on the west coast of the Queen 
					Charlotte Islands, British Columbia, Canada. It has generated three 
					large earthquakes during the 20th century: a magnitude 7 event in 1929, a
					 magnitude 8.1 occurred in 1949 (Canada's largest recorded earthquake) 
					and a magnitude 7.4 in 1970. The December 2004 earthquake just off the 
					coast of Sumatra was actually a part of the Alpide belt... 
					                            
source: http://en.wikipedia.org/wiki/Pacific_Ring_of_Fire
					                        
					                    
					                    
					                        
					                    
					                    
					                        
					                        
					                            
Cinturón de Fuego del Pacífico
					                            
El
					 Cinturón de Fuego ubicado en el Océano Pacífico abarca las costas de 
					Chile, Perú, Ecuador, Colombia, Venezuela, todos los países 
					centroamericanos, México, los Estados Unidos, Canadá, luego dobla a la 
					altura de las Islas Aleutianas y baja por las costas de China y Japón. A
					 su vez, el Océano Pacífico tiene diferentes placas oceánicas que están 
					en constante fricción y producen acumulación de tensión. En un momento 
					dado, esa tensión se libera y origina terremotos en los países 
					mencionados; Además, concentra una actividad volcánica constante sobre 
					todo en América Central...
					                            
Fuente: http://es.wikipedia.org/wiki/Cintur%C3%B3n_de_Fuego_del_Pac%C3%ADfico
Pazifischer Feuerring
Unter dem Pazifischen Feuerring (auch zirkumpazifischer Feuerring oder Feuergürtel) versteht man einen Vulkangürtel, der den Pazifischen Ozean umgibt. Der Pazifische Feuerring besteht größtenteils aus einer Reihe von Inselbögen, wie z. B. den Aleuten, den Kurilen oder den japanischen Ryūkyū-Inseln. Allein auf die westpazifischen Inselbögen entfallen 45% aller Vulkane der Erde. Sie setzen sich fort über die Marianen, die Philippinen, Neuguinea, die Salomonen und die Neuen Hebriden. Der Vulkangürtel setzt sich an den Westrändern Nord- und Südamerikas fort, und bezieht auch die Antarktis ein (vgl. Mount Erebus). An der Westküste Amerikas spielen sich rund 17% aller weltweiten vulkanischen Vorgänge ab. Diese Linie reger Vulkantätigkeit umspannt nahezu die gesamte Pazifische Platte, an deren umlaufendem Rand durch Plattentektonik Subduktionsvorgänge initiiert werden, die Schwächezonen in der Lithosphäre erzeugen, so dass der Aufstieg von flüssigem Magma begünstigt wird...
Quelle: http://de.wikipedia.org/wiki/Pazifischer_Feuerring
					                        
					                    
					                
					            
					            
					                
					                    
					                        
					                        
					                        
					                        
					                    
					                    
					                        
					                        
					                    
					                    
					                        
					                    
					                    
					                        
					                        
					                        
					                    
					                
					            
					        
					    
					    
					        
					            
					            
					            
					            
					            
					        
					        
					            
					            
					                
   
					            
					            
					        
					        
					            
					        
					        
					            
					            
					        
					    
					    
					        
					            
					            
					        
					        
					            
					            
					                
					            
					        
					    
					    
					        
					            
					            
					        
					        
					            
					            
					                
Plate tectonics
					                
Plate
					 tectonics (from Greek τέκτων, tektō?n "builder" or "mason") is a theory
					 of geology that has been developed to explain the observed evidence for
					 large scale motions of the Earth's lithosphere. The theory encompassed 
					and superseded the older theory of continental drift from the first half
					 of the 20th century and the concept of seafloor spreading developed 
					during the 1960s. The outermost part of the Earth's interior is made up 
					of two layers: above is the lithosphere, comprising the crust and the 
					rigid uppermost part of the mantle. Below the lithosphere lies the 
					asthenosphere. Although solid, the asthenosphere has relatively low 
					viscosity and shear strength and can flow like a liquid on geological 
					time scales. The deeper mantle below the asthenosphere is more rigid 
					again. This is, however, not due to cooler temperatures but due to high 
					pressure...
					                
source: http://en.wikipedia.org/wiki/Plate_tectonics
					            
					        
					    
					    
					        
					            
					            
					        
					        
					            
					            
					                
Tectónica de placas
					                
Las
					 Placas tectonicas (del griego "el que construye" τεκτων, tekton) es una
					 teoría geológica que explica la forma en que está formada la litósfera 
					(la porción superior más fría y rígida de la Tierra). La teoría da una 
					explicación a las placas que forman la superficie de la Tierra y a los 
					desplazamientos que se observan entre ellas en su desplazamiento sobre 
					el manto terrestre fluido. Esta teoría también describe el movimiento de
					 las placas, sus direcciones e interacciones...
					                
Fuente: http://es.wikipedia.org/wiki/Tect%C3%B3nica_de_placas
Plattentektonik
Die Plattentektonik ist die zentrale Theorie für die großräumigen Abläufe in der Erdkruste und im obersten Teil des Erdmantels in der Geologie und Geophysik. Sie kann als an der Erdoberfläche auftretender Ausdruck der Mantelkonvektion im Erdinneren aufgefasst werden und beschreibt die Bewegungen der Lithosphärenplatten – die so genannte Kontinentalverschiebung – und die daraus resultierenden Erscheinungen...
Quelle: http://de.wikipedia.org/wiki/Plattentektonik
					                        
					                        
					                    
					                
					            
					            
					                
					                    
					                        
					                        
					                        
					                        
					                        
					                        
					                    
					                    
					                        
					                        
					                            
If
					 you type the Keywords, Tectonicle Plates, Ring of Fire, Earthquakes or 
					San Andreas Fault 
or something like that in searchrobots like Google, 
					Yahoo, Fireball..., you´ll find interesting Reports!
http://www.enchantedlearning.com/subjects/volcano/ringoffire/
http://www.crystalinks.com/rof.html