41. Earthquakes! — Infoplease.com Learn about how often earthquakes occur, what causes them, the difference between intensity and magnitude, and about tsunamis. http://www.infoplease.com/spot/earthquake1.html

Site Map FAQ in All Infoplease Almanacs Biographies Dictionary Encyclopedia Spelling Checker Daily Almanac for Nov 14, 2010 Search White Pages Skip Navigation Home American Indian Heritage Month ... games, quizzes Editor's Favorites American Indian Heritage Month Veterans Day Most Corrupt Countries in the World Infoplease's Facebook page ... DK Daily Teach Search: Infoplease Info search tips Search: Biographies Bio search tips Share Earthquakes About 8,000 mini-quakes a day, and on average, one exceptionally big one per year by Borgna Brunner Earthquakes in residential areas, such as this 1964 one in Seward, Alaska, can cause unparalleled damage to life and property. There are thousands upon thousands of earthquakes annually, ranging on average from 18 major quakes to more than 2 million very minor ones per year (approximately 8,000 per day). On average, we can expect one exceptionally big one (with a magnitude of 8 or higher) each year. Earthquakes plate tectonics Not "On the Richter Scale" Although "on the Richter Scale" is still a commonly used expression, the scale , developed by Charles F. Richter of California Institute of Technology in 1935, is no longer the most commonly used

42. Earthquakes In BC Find the causes, effects of the earthquakes in British Columbia. Includes photos of the aftermath from the 1946-earthquake and describes the ways to measure earthquakes. http://www.em.gov.bc.ca/Mining/Geolsurv/Surficial/quake/

Earthquakes in BC Earthquakes in British Columbia British Columbia experiences an earthquake every day, but only a small number of these quakes are noticeable and even fewer result in damage. View of landslide on Mount Colonel Foster triggered by the June 23, 1946 Vancouver Island earthquake (photo courtesy of the Geological Survey of Canada). Several major earthquakes have hit B.C. in the last 100 years and there is a very good chance we will experience large earthquakes in the future. We live in a high-risk zone because of the geological processes that take place within the crust of the Earth in B.C. Plates in the Earth's surface shift to produce earthquakes and the science of geology can help determine which ground types will be most affected by a quake. An important step in ensuring your own safety is to understand the answers to the following questions: What causes earthquakes? How big are earthquakes? Where do they occur? What is a megathrust earthquake? ... How can geology be used to minimize risk? Note: Certain terms used in these pages may be unfamiliar to the non-geologist. They have been hyperlinked to a

43. Armageddon Online - Earthquakes earthquakes cause millions in damage and take thousands of lives each year http://www.armageddononline.org/earthquake.php

44. Earthquakes In Indiana Peruse the causes of Indiana earthquakes. Describes the aftermath of the strongest earthquakes occurred and the preparation to reduce its effects. http://igs.indiana.edu/geology/earthquakes/eqInIndiana/index.cfm

hs.graphicsDir = '/highslide/graphics/'; hs.outlineType = 'rounded-white'; Earthquakes Earthquakes in Indiana by Jeff Kirby Historic earthquakes Yes! The Hoosier state has trembled in the wake of earth waves generated by powerful earthquakes in the past, and will, no doubt, tremble again in quakes that are yet to come. These pages briefly describe earthquakes in our past, what causes our earthquakes, what is being done to reduce losses that will result from future quakes, and what you should do before, during, and after an earthquake. Contents New Madrid earthquakes of 1811-12 Earthquakes since 1811-12 Prehistoric Indiana earthquakes What causes earthquakes ... Resources for more information New Madrid earthquakes of 1811-12 When the people living in and near the town of New Madrid in what is now southeastern Missouri went to bed on the night of December 15, 1811, they had no way of knowing that during the pre-dawn hours of the following morning they would be jarred from their peaceful slumber by shock waves that rippled through the earth with such force that buildings collapsed, trees toppled, and the Mississippi River changed course. The explosive force that shattered the stillness of that serene setting was one of the most powerful earthquakes ever recorded in North America. During the next two months, the area would be rocked by three more quakes as powerful as the first (one just six hours after the first) and hundreds of smaller ones. The larger quakes shook the earth with enough force to cause church bells to ring in Washington, D.C. They were felt in Indiana and were even felt a thousand miles away in New Hampshire.

45. Earthquakes Easier An earthquake makes the ground move or shake. These natural events can cause massive damage and destruction. http://www.42explore.com/quakes.htm

The Topic: Earthquakes Easier - An earthquake makes the ground move or shake. These natural events can cause massive damage and destruction. The study of earthquakes is called seismology. Harder - An earthquake is caused by sudden, violent shifting of massive rocks called plates under the earth's surface. This movement of the plates releases stress that accumulates along geologic faults. A fault is a deep crack that marks the boundary between two of these plates. Earthquake belts occur along faults around the world. Many run along coastal areas. The San Andreas fault in central California is well-known for causing severe earthquakes. The epicenter is the point on the surface where the earthquake is the strongest. The Richter scale is used to measure the amount of energy released by the earthquake. The severity of an earthquake runs from to 9 on this scale. Small tremors occur constantly, but every few months a major earthquake occurs somewhere in the world. Scientists are researching ways to predict earthquakes, but their predictions are not always accurate. National Earthquake Information Center (Dept. of the Interior, U.S. Geological Survey, Golden, Colorado)

46. Earthquake Image Archives Pictures taken immediately after earthquakes in Japan, Taiwan, the Philippines and Turkey, from 1992 onwards, collected by M.Yoshimine. http://geot.civil.metro-u.ac.jp/archives/eq/

Earthquake Image Archives Japanese 2008 Iwate-Miyagi Nairiku Earthquake, Japan [ 149+283+116 photos 2008 Sichuan (Wenchuan) Earthquake, China [ 642 photos 2007 Niigataken Chuetsu-oki Earthquake, Japan [ 641 photos 2006 Java Earthquake, Indonesia [ 1733 photos 2004 The Mid Niigata Prefecture Earthquake, Niigata, Japan [ 294 photos 2003 Tokachi-oki Earthquake, Hokkaido, Japan [ 748 photos 2003 Miyagiken-Hokubu Earthquakes, Japan [ 528 photos 2000 Tottoriken-Seibu (Tottori) Earthquake, Japan [ 344 photos 1999 Chi-Chi (Ji-Ji) Earthquake, Taiwan [ 528 photos 1995 Hyogoken-Nanbu (Kobe, Hanshin-Awaji) Earthquake, Japan [ 268 photos 1994 Sanriku-Haruka-Oki Earthquake, Japan [ 127 photos 1994 Mindoro Earthquake, Philippines [ 68 photos 1994 Hokkaido Toho-Oki Earthquake, Japan [ 111 photos 1993 Hokkaido Nansei-Oki Earthquake, Japan [ 135 photos 1992 Erzincan Earthquake, Turkey [ 303 photos M.Yoshimine Soil Mechanics Laboratory Civil Engineering, Tokyo Metropolitan University Minami-Osawa, Hachioji, Tokyo 197-0397, JAPAN tel.+81-426-77-2773 fax.+81-426-77-2772

47. Mexico - Earthquakes Mexico Table of Contents. Situated atop three of the large tectonic plates that constitute the earth's surface, Mexico is one of the most seismologically active http://countrystudies.us/mexico/49.htm

Earthquakes Mexico Table of Contents Situated atop three of the large tectonic plates that constitute the earth's surface, Mexico is one of the most seismologically active regions on earth. The motion of these plates causes earthquakes and volcanic activity. Areas off Mexico's coastline on the Gulf of California, including the Baja California Peninsula, are riding northwestward on the Pacific plate. Rather than one plate subducting, the Pacific and North American plates grind past each other, creating a slip fault that is the southern extension of the San Andreas fault in California. Motion along this fault in the past pulled Baja California away from the coast, creating the Gulf of California. Continued motion along this fault is the source of earthquakes in western Mexico. Mexico has a long history of destructive earthquakes and volcanic eruptions. In September 1985, an earthquake measuring 8.1 on the Richter scale and centered in the subduction zone off Acapulco killed more than 4,000 people in

48. HowStuffWorks "How Earthquakes Work" earthquakes shake our world every 11 seconds. Find out what causes earthquakes, how fault lines work and learn how earthquakes are monitored. http://science.howstuffworks.com/nature/natural-disasters/earthquake.htm

HSW.sm.loadPageInfo(8549); OAS_AD('TopBanner'); HowStuffWorks Search HowStuffWorks and the web Video Podcasts Blogs Quizzes Games RSS Adventure Animals Auto Culture ... Next Page How Earthquakes Work by Tom Harris Print Cite Feedback ... Recommend Cite This! Close Please copy/paste the following text to properly cite this HowStuffWorks article: Inside this Article Introduction to How Earthquakes Work Earthquake Facts Plate Tectonics Faults ... See all Natural Disasters articles 10 Ways The World Will End Videos Natural Disasters Image Gallery AFP/AFP/ Getty Images Family members gather at the remains of the collapsed Juyuan middle school, where six children died in Dujiangyan, in southwest China Sichuan province on May 12, 2008, after an earthquake measuring 7.8 rocked the province. See more pictures of natural disasters An earthquake is one of the most terrifying phenomena that nature can whip up. We generally think of the ground we stand on as "rock-solid" and completely stable. An earthquake can shatter that perception instantly, and often with extreme violence. Up until relatively recently, scientists only had unsubstantiated guesses as to what actually caused earthquakes. Even today there is still a certain amount of mystery surrounding them, but scientists have a much clearer understanding.

49. IRIS Seismic Monitor Recent earthquakes or seismic events, are displayed on an interactive earthquake map server GMT educational WILBER seismicity observation map of earthquakes stations fdsn http://www.iris.edu/seismon/

50. Volcanoes, Earthquakes, Hurricanes, Tornadoes—Forces Of Nature: Science, Maps, P Explore the science behind volcanoes and earthquakes, and then make your own! Delve into the forces of nature3 D models, photos, case studies, videos, and more. http://www.nationalgeographic.com/forcesofnature/interactive/index.html?section=

51. CDC Earthquakes Centers for Disease Control and Prevention Your Online Source for Credible Health Information http://emergency.cdc.gov/disasters/earthquakes/

52. Earthquakes Find out all about earthquakes, history, where they are most likely to happen, how they happen, and what to do about them. Visit ReadinessInfo.com. http://www.readinessinfo.com/

Welcome to All About Earthquakes ! Earthquakes have sparked man's curiosity since ancient times. They have also disrupted lives, destroyed great monuments and cities and created great tidal waves. After a brief tour of this site, you should know all about earthquakes. You can navigate through the site by clicking on the page link to the left that interests you most. Or you can visit the entire site by clicking on the "next page" links at the bottom of each page. At the All About Earthquakes site you will learn the history of earthquakes . We will talk about some of the great disasters of history, and how men have viewed earthquakes throughout the ages. The Science of Earthquakes has had many recent advances with new theories on plate tectonics and subduction. In this section, you will find out how earthquakes work. Many places around the world are subject to earthquakes, some more so than others. We'll show you where the danger areas are. What should you do about earthquakes? Of course, there is no stopping an earthquake, but you can be prepared for the event. We will tell you what you should do to prepare for an earthquake (including what to have on hand, GPS device waterfilters , radios, food and water), how to survive an earthquake and, finally, what you should do when the shaking stops.

53. Frequently Asked Questions (FAQ) Page This page is provides answers to Frequently Asked Questions (FAQ) concerning earthquakes and seismology http://earthquakescanada.nrcan.gc.ca/gen_info/faq_e.php

Contact us Help Search Canada Site ... Printer version Feedback Comments? Questions? Please contact us Earth Sciences Sector Priorities Canadian Hazards Information Service Earthquakes Canada Frequently Asked Questions about Earthquakes (FAQ) This page is continuously under construction. Your comments and suggestions are welcome. See also the Glossary of Seismological terms. INDEX 1- Seismic Sources - Earthquakes, Nuclear Blasts, Mining Events Earthquakes General What is an "earthquake"? What causes earthquakes? How do earthquakes cause damage? Does the earth open up during an earthquake? ... Does a small earthquake mean that a larger earthquake is coming? Magnitude What is the "magnitude" of an earthquake? What is the difference between the "magnitude" and the "intensity" of an earthquake? What it is the difference between magnitudes M L ... Do several magnitude scales exist? Distribution and frequency of Earthquakes A- Global How often do earthquakes occur? Where can I find information on the world's earthquakes? Are earthquakes really on the increase? What was the greatest earthquake in world history? B- In Canada How often do earthquakes occur in Canada?

54. Earthquakes In Japan About earthquakes in Japan. Have you ever been to Tokyo's Tsukiji Market? No. I am not interested. No, but I am interested to go. http://www.japan-guide.com/e/e2116.html

Travel Living A-Z Forum ... Questions Search this site Apartment Search Area: All Areas (Tokyo) Minato-ku Shibuya-ku Chuo-ku Shinjuku-ku Bunkyo-ku Chiyoda-ku Meguro-ku Setagaya-ku Shinagawa-ku Oota-ku Suginami-ku Nakano-ku Koto-ku Taito-ku Sumida-ku Toshima-ku Nerima-ku Monthly rent: to no max. Yen Bedrooms (multiple selections possible): Studio 4BED or more Related Pages Living in Japan Travel Geography Great Kanto Earthquake 1923 ... Kobe Earthquake Museum Survey If you had a choice, through which airport would you prefer to enter Japan? Narita Airport (Tokyo) Haneda Airport (Tokyo) Kansai Airport (Osaka) Central Japan Airport (Nagoya) Fukuoka Airport New Chitose Airport (Sapporo) see results Other Surveys: Tsukiji Market Favorite hotel reservation website Favorite travel guide books How to improve tourism ... Have you recently entered Japan? japan-guide.com newsletter Keeping you up to date on Japan travel and living related issues and site updates. Click here to subscribe! Sponsored Listings Tour Packages Guided and individual tour plans. Japan - Order FREE Brochure!

55. Earthquakes Learn about earthquake engineering and the science of seismic design. Find information about famous earthquakes, learn how buildings are designed to help withstand earthquake http://architecture.about.com/od/earthquakes/Earthquakes.htm

zWASL=1 zGL='0';zGR='ca-about-radlink'; zJs=10 zJs=11 zJs=12 zJs=13 zc(5,'jsc',zJs,9999999,'') zDO=0 Home Architecture Architecture Search Architecture Your House Great Buildings Public Spaces Filed In: Great Buildings Disasters and Collapses Earthquakes, Earthquake Engineering, and Seismic Design Learn about earthquake engineering and the science of seismic design. Find information about famous earthquakes, learn how buildings are designed to help withstand earthquake damage, see photos of earthquake damage, and browse research and statistics related to earthquakes. Earthquake Engineering: Introduction Institutions for Earthquake Safety In late 1997, the National Science Foundation in the United States funded three institutions devoted to earthquake safety, in California, Illinois, and New York. Our Guide to Geology explains what these organizations do. zSB(3,3) Can Any Building Survive an Earthquake? No structure can withstand the powerful force of a major quake, but for communities on fault lines, monolithic domes are becoming a prudent choice. Just as these concrete shell buildings can withstand tornadoes and hurricane force winds, they appear to provide remarkable strength during earthquakes. Seismic Design Principles An introduction to the concepts and principles of seismic design, including strategies for designing earthquake-resistant buildings, from the National Institute of Building Sciences.

56. Earthquakes Surfnetkids.com recommends five earthquakes websites. As a Californian, my life has been punctuated by earthquakes. My earliest temblor memory is the 1971 Sylmar quake. On that http://www.surfnetkids.com/earthquakes.htm

57. Earthquakes - General Interest Publication Graphics and Text Version. earthquakes. by Kaye M. Shedlock Louis C. Pakiser One of the most frightening and destructive phenomena of nature is a severe earthquake and its http://pubs.usgs.gov/gip/earthq1/earthqkgip.html

Graphics and Text Version Earthquakes One of the most frightening and destructive phenomena of nature is a severe earthquake and its terrible aftereffects. An earthquake is a sudden movement of the Earth, caused by the abrupt release of strain that has accumulated over a long time. For hundreds of millions of years, the forces of plate tectonics have shaped the Earth as the huge plates that form the Earth's surface slowly move over, under, and past each other. Sometimes the movement is gradual. At other times, the plates are locked together, unable to release the accumulating energy. When the accumulated energy grows strong enough, the plates break free. If the earthquake occurs in a populated area, it may cause many deaths and injuries and extensive property damage. Today we are challenging the assumption that earthquakes must present an uncontrollable and unpredictable hazard to life and property. Scientists have begun to estimate the locations and likelihoods of future damaging earthquakes. Sites of greatest hazard are being identified, and definite progress is being made in designing structures that will withstand the effects of earthquakes. Earthquakes in History The scientific study of earthquakes is comparatively new. Until the 18th century, few factual descriptions of earthquakes were recorded, and the natural cause of earthquakes was little understood. Those who did look for natural causes often reached conclusions that seem fanciful today; one popular theory was that earthquakes were caused by air rushing out of caverns deep in the Earth's interior.

58. Earthquakes - News - Science - The New York Times News about earthquakes. Commentary and archival information about earthquakes from The New York Times. http://topics.nytimes.com/topics/news/science/topics/earthquakes/index.html

59. Triggering Of Earthquakes Statistical research on the fluctuation of the planetary gravitational field and triggering of earthquakes. This correlation theory could be an element of a probability based forecasting of earthquakes. http://www.zunds-institut.de/earthquakes/

IAMG 2002 BERLIN Are the Stabilizing and Destabilizing Influences of the Planetary Gravitational Field on the Structural Formation of Complex Systems Real? - Triggering of Earthquakes – Lecture on the 2002 Annual Conference of the International Association for Mathematical Geology; Berlin, Germany IAMG 2003 PORTSMOUTH THE NON-LINEAR INTERACTION OF THE PLANETARY GRAVITATIONAL FIELD ON EARTHQUAKES Lecture on the International Association for Mathematical Geology IAMG 2003 Portsmouth, UK ; September 7-12, 2003 Download: Free-Computer-Research-Program

60. The World-Wide Earthquake Locator The Edinburgh Earth Observatory provides up-to-date information and detailed dynamic maps of earthquakes across the world within 24 hours of their occurrence. Also includes a database of past earthquakes, an animation of the past month s earthquakes, and statistical earthquake prediction. http://tsunami.geo.ed.ac.uk/local-bin/quakes/mapscript/home.pl

Quake Animation Quake Prediction ... Home THE WORLD-WIDE EARTHQUAKE LOCATOR QUAKE REPORT Find out about the latest earthquakes around the world. QUAKE MAPPING View the lastest earthquakes on a world map, along with extra data such as plate boundaries, faults and volcanoes. CATALOGUE QUERY Search our earthquake catalogue, and map your results. QUAKE PREDICTION Find out about areas that are predicted to have an increased chance of experiencing a major earthquake. QUAKE ANIMATION View earthquakes over the past month as an SVG animation. The World-Wide Earthquake Locator aims to provide up-to-date information and detailed dynamic maps of earthquakes across the world within a maximum of 24 hours of their occurence. This web site also includes a database of past earthquakes, an animation of the past month's earthquakes, and statistical earthquake prediction. The World-Wide Earthquake Locator was originally developed by Bruce Gittings of the School of GeoScience at the University of Edinburgh in 1995 and it became an early illustration of a real-time Geographical Information System which makes use the internet World-Wide Web and the internet to map dynamic phenomena.

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