{"id":503,"date":"2015-09-22T22:47:07","date_gmt":"2015-09-22T22:47:07","guid":{"rendered":"https:\/\/courses.candelalearning.com\/geophysical\/?post_type=chapter&p=503"},"modified":"2017-04-19T22:07:23","modified_gmt":"2017-04-19T22:07:23","slug":"annual-earthquakes","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/chapter\/annual-earthquakes\/","title":{"raw":"Annual Earthquakes","rendered":"Annual Earthquakes"},"content":{"raw":"In a single year, on average, more than 900,000 earthquakes are recorded and 150,000 of them are strong enough to be felt. Each year about 18 earthquakes are major with a Richter magnitude of 7.0 to 7.9, and on average one earthquake has a magnitude of 8 to 8.9.Magnitude 9 earthquakes are rare. The\u00a0United States Geological Survey\u00a0lists five since 1900 (see table below).\u00a0All but the Great Indian Ocean Earthquake of 2004 occurred somewhere around the Pacific Ocean basin.\r\n\r\n\"Picture\"<\/a>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Location<\/th>\r\nYear<\/th>\r\nMagnitude<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
Valdivia, Chile<\/td>\r\n1960<\/td>\r\n9.5<\/td>\r\n<\/tr>\r\n
Prince Williams Sound, Alaska<\/td>\r\n1964<\/td>\r\n9.2<\/td>\r\n<\/tr>\r\n
Great Indian Ocean Earthquake<\/td>\r\n2004<\/td>\r\n9.1<\/td>\r\n<\/tr>\r\n
Kamchatka, Alaska<\/td>\r\n1952<\/td>\r\n9.0<\/td>\r\n<\/tr>\r\n
Tohoku, Japan<\/td>\r\n2011<\/td>\r\n9.0<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n ","rendered":"

In a single year, on average, more than 900,000 earthquakes are recorded and 150,000 of them are strong enough to be felt. Each year about 18 earthquakes are major with a Richter magnitude of 7.0 to 7.9, and on average one earthquake has a magnitude of 8 to 8.9.Magnitude 9 earthquakes are rare. The\u00a0United States Geological Survey\u00a0lists five since 1900 (see table below).\u00a0All but the Great Indian Ocean Earthquake of 2004 occurred somewhere around the Pacific Ocean basin.<\/p>\n

\"Picture\"<\/a><\/p>\n\n\n\n\n\n\n\n\n\n
Location<\/th>\nYear<\/th>\nMagnitude<\/th>\n<\/tr>\n<\/thead>\n
Valdivia, Chile<\/td>\n1960<\/td>\n9.5<\/td>\n<\/tr>\n
Prince Williams Sound, Alaska<\/td>\n1964<\/td>\n9.2<\/td>\n<\/tr>\n
Great Indian Ocean Earthquake<\/td>\n2004<\/td>\n9.1<\/td>\n<\/tr>\n
Kamchatka, Alaska<\/td>\n1952<\/td>\n9.0<\/td>\n<\/tr>\n
Tohoku, Japan<\/td>\n2011<\/td>\n9.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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