Damage great in poorly built structures. Well-built structures may receive slight to moderate damage. Tell students to label and illustrate the cover. Buildings trembled throughout. The effects of any one earthquake can vary greatly from place to place, so there may be many Mercalli intensity values measured for the same earthquake. The Mercalli intensity scale is a seismic scale used for measuring the intensity of an earthquake. earthquake waves including layers of the Earth and outlining tectonic Today, we are going to look at the Mercalli Scale's damage rating and create a booklet to help inform citizens of potential danger. The greater numbers of the scale are based on observed structural damage. Stover, C. W., and Coffman, J. L. (1993). The scale looks at areas surrounding the epicenter and a However, most people wont recognize the movement as an earthquake as it is similar to the vibrations felt from a passing truck. Adapted from Sieberg's Mercalli-Cancani scale, modified and condensed. Local planning commissions use the scale to determine regulations Broke dishes, glassware, in considerable quantity, also some windows. The Giant Wave Characteristics and Causes, Survive That Tsunami! If students are having difficulty brainstorming drawings for the different levels of the Mercalli Scale, have them brainstorm ideas with their partner or as a group. This page was last modified on 26 December 2015, at 23:23. Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, Bet365 Casino. Rails are bent greatly. However, each earthquake has only one magnitude. For the scientist whom the scale is named after, see, Estimating site intensity and its use in seismic hazard assessment, Their modifications were mainly to degrees IV and V, with VI contingent on reports of damage to man-made structures, and VII considering only "damage to buildings or other man-made structures". Damage great in poorly built structures. The effects of any one earthquake can vary greatly from place to place, so many MMI values may be measured for the same earthquake. Felt by all, indoors and outdoors. Tectonic subsidence may also occur when loose sedi, There are 119 public school buildings at increased risk of "significant earthquake damage" because they are classified as unreinforced masonry construction (URM) in seismic safety screenings. Some of the scenarios are bas, Subsidence is the lowering of the ground surface. The Modified Mercalli scale is given as originally abridged by Wood and Neumann (1931) the unabridged scale is reproduced in Stover and Coffman (1993). where plates are coming together, moving apart and slipping past each Research for any tell-tale patterns of bad reviews from other gamblers, and if you have already deposited money, be on the alert for flaky software, slow payouts or random fees. [3] Mercalli's second scale, published in 1902, was also an adaptation of the RossiForel scale, retaining the 10 degrees and expanding the descriptions of each degree. Felt by nearly everyone; many awakened. Rocked standing motor cars slightly. (Grades [2][3] Values depend upon the distance from the earthquake, with the highest intensities being around the epicentral area. At night, some awakened. Click here to browse. Damage is great in substantial buildings, with partial collapse. A .gov website belongs to an official government organization in the United States. And will very likely cause. Liquefaction can occur. The Mercalli scale quantifies the effects of an earthquake on the Earth's surface, humans, objects of nature, and man-made structures on a scale from I (not felt) to XII (total destruction). Again I. Recently, another scale called the moment magnitude scale has been devised for more precise study of great earthquakes. out more about earthquake zones that outline tectonic plate boundaries This table gives MMIs that are typically observed at locations near the epicenter of the earthquake. A pull-apart basin can be created in a strike-slip fault zone. Ground waves may be seen. So while you can miss the thrill of a real money prize or big cash bonuses, you will benefit from the fact that you can't lose real money either. Engineering to Prevent Natural Disasters: Save Our City! seconds. Pendulum clocks stopped, started, or ran fast, or slow. While there are subsidence can occur as the result of different types of tectonic actions, generally tectonic subsidence happens when the vertical movement of ground causes nearby ground to lower in relation to it's previous location. series of rings are drawn around the epicenter on maps. Yet, for those at the epicenter and 50 miles away it was still the same earthquake, in the case of the example it was a 7.2. Moved conspicuously, overturned, very heavy furniture. In a normal faulting zone, subsidence is evident from the creation of horsts and grabens, raised or lowered blocks of crust. Why is the modified Mercalli scale problematic? Plate Tectonics Simulation Complete the Quiz as you do the simulation. Cracked, broke, solid stone walls seriously. Kids Earth Science links to all the categories on our website. The earthquake and its impact is measured either by using the Mercalli scale or the Richter Scale. MTC 17: Hybrid Experimental and Analytical Simulation in Earthquake Engineering - Poster Papers are sent out to people living in areas where destruction took place. Earthquake Zones Find [2], The correlation between magnitude and intensity is far from total, depending upon several factors including the depth of the earthquake, terrain, population density, and damage. Aytun, Alkut Felt indoors by few, especially on upper floors, or by sensitive, or nervous persons. California's Loma Prieta earthquake in 1989 was a 7.1. Cut all necessary paper needed for the class activity. Rating earthquakes helps engineers determine which ones are going to cause the most damage so they can warn people in advance. During the night the movement may wake some people up. Disturbances in ground many and widespread, varying with ground material. Moved furnishings of moderately heavy kind. There was also some information from a 2008 ShakeOut Scenario. The north end reaches towards Malad City, Idaho, and the southern-most segment extends to Fayette, Utah. Poorly build buildings will receive severe damage. It measures the effects of an earthquake, and is distinct from the moment magnitude usually reported for an earthquake (sometimes misreported as the Richter magnitude ), which is a measure of the energy released. Trees and bushes shaken moderately to strongly. Data gathered from people who have experienced the quake are used to determine an intensity value for their location. When there is little damage, the scale describes how people felt the earthquake, or how many people felt it. An earthquake of a much lesser magnitude can have just as much (if not more) damage and losses in an area where the buildings and infrastructure are not as prepared, Thank you for taking some time to read my blog. Landslides considerable from river banks and steep coasts. 2012-2017 Ring of Fire Science CompanyAll rights Thehighernumbers of the scale are based on observed structural damage. While it's been several weeks since my last post, I wanted to let you know that I have five posts in the works. Objects thrown upward into the air. Note that not all lessons and activities will exist under a unit, and instead may exist as "standalone" curriculum. The Modified Mercalli intensity scale (MM, MMI, or MCS), developed from Giuseppe Mercalli's Mercalli intensity scale of 1902, is a seismic intensity scale used for measuring the intensity of shaking produced by an earthquake. local site conditions). 5), Represent and interpret data. A summary of intensity prediction equations is available. [17], The correlation between magnitude and intensity is far from total, depending upon several factors, including the depth of the hypocenter, terrain, and distance from the epicenter. One of the biggest factors is how deep the hypocenter is. Noticed by motorists. reserved. How to Market Your Business with Webinars? The values depend on distances from the epicenter, depth of the hypocenter, and data gathered from people who experienced the earthquake. Bent railroad rails greatly, and thrust them endwise. earthquake. Felt quite noticeably by people indoors, especially on upper floors of buildings: Many people do not recognize it as an earthquake. Layer the three pieces of white copy paper in one stack with one piece of construction paper on top for the cover. Damage severe to wood-frame structures, especially near shock centers. From Infogalactic: the planetary knowledge core, Japan Meteorological Agency seismic intensity scale, "Modified Mercalli intensity scale of 1931", National Earthquake Information Center (U.S.), Environmental Seismic Intensity scale (ESI), https://infogalactic.com/w/index.php?title=Mercalli_intensity_scale&oldid=13465, Creative Commons Attribution-ShareAlike License, About Infogalactic: the planetary knowledge core. Remember that California has generally had better earthquake building codes for a longer time than most of the rest of the United States. URM buildings are typically older structures. Railroad tracks are bent. [23], The MMI scale is not defined in terms of more rigorous, objectively quantifiable measurements such as shake amplitude, shake frequency, peak velocity, or peak acceleration. The small table is a rough guide to the degrees of the MMI scale. Unstable objects overturned. Lead a brief discussion around the topic of the Mercalli Scale, as described above. Get the inside scoop on all things TeachEngineering such as new site features, curriculum updates, video releases, and more by signing up for our newsletter! Fall of chimneys, factory stacks, columns, monuments, walls. These are similar to ground motion-prediction equations for the estimation of instrumental strong-motion parameters such as peak ground acceleration. (Answer: the damage left by an earthquake) Today we will learn more about this scale. However, this is generally interpreted with the modifications summarized by Stover and Coffman because in the decades since 1931, "some criteria are more reliable than others as indicators of the level of ground shaking". Damage slight. (Grade Register on XBet. If time permits, have the students write a sentence on the bottom of each page describing the illustration. The Mercalli Scale uses human observation to assess damage from an earthquake, while a Richter Scale uses instruments to measure how much force an earthquake produces, or the size of its waves. Threw water on banks of canals, lakes, rivers, etc. The modified Mercalli intensity scale (MM or MMI), developed from Giuseppe Mercallis Mercalli intensity scale of 1902, is a seismic intensity scale used for measuring the intensity of shaking produced by an earthquake. Make one Mercalli Scale booklet as an example by following steps 2 5 below. Damage slight in structures (brick) built especially to withstand earthquakes. Students learn about the types of seismic waves produced by earthquakes and how they move through the Earth. [14] Also, construction codes and methods have evolved, making much of built environment stronger; these make a given intensity of ground shaking seem weaker. Geological conditions also have an effect on the intensity of an earthquake. Opened or closed, doors, shutters, abruptly. Pendulum clocks may stop. Can break windows with the shaking and unstable objects may fall. Copyright Shook down loosened brickwork and tiles. Extreme -- Some well-built wood structures may survive, while most frame and masonry buildings and foundations are destroyed. The shaking can move furniture, damage plaster, and can cause slight damage. It was developed in 1931 by the American seismologists Harry Wood and Frank Neumann. Here's how earthquakes.utah.gov defines URM "A URM building has brick walls with few or no steel reinforcing bars. The scale is known today as the Modified Mercalli scale (MM) or Modified Mercalli Intensity scale (MMI). Damage is total. How does the Roman numeral numbering system work? Mercalli Scale Simulator - No registration or signuprequired for many online casinos Play free, no download casino games No deposit casinosavailable online Tryand testfree casino games Acrobat Distiller 5.0 (Windows) A pull-apart basin forms when opposing walls of the fault pull apart from each other, resulting in dropped ground. Felt only by a few people at rest, especially on upper floors of buildings. Most people have only "seen" the effects of a big earthquake from the media, either news or movies. 3 - Mercalli Scale Simulator - Play Now Pros: Premium Cash App Website 24/7 Customer Support Range of Bonus Offers Available Loads of Exciting Casino Games Wild Casino Review US Weak -- Only likely to be felt by a few people who arent doing anything, especially if theyre on the upper floors of buildings. Instruct students to illustrate each page to describe the destruction of each level of earthquake based on the 12 point Mercalli Scale. Fall of walls. The above table shows the approximate relationship between Modified Mercalli Intensity and Peak Ground Acceleration (PGA). Broke dishes, glassware, to some extent. It was also the longes, The Wasatch Fault is a normal fault, where the Wasatch range mountain block of crust slips mostly vertical, relative to the western, valley-side that has a downward movement. Additional dama, A fault rupture is a slip and resulting displacement along a fault. Some heavy furniture moved; a few instances of fallen plaster. To protect people from the force of earthquakes, they continually improve the methods used to predict and rate (or score) earthquakes. Even sports teams have different levels to make sure that teams with the same ability play each other. Note: The Modified Mercalli scale is designed to describe the effects of an earthquake, at a given place, on Suggest a house or building that has been damaged by an earthquake or a picture of the Earth shaking. XI. No, these scenarios are not fictional case studies. Mercalli Scale Simulator - Free Slots Safecracker 870 Deposit Bonus 150 Free Spins At Silver Oak Casino Poker Leeds Victoria Gate Poker Slot Machine Free Spins 777 Casino 100percent Up To Eur100 Southwest Package Deals Las Vegas Casino Weather Nsw Poker Cepat Win Real Money Slots Usa Hit 21 or at least get closer than the dealer and win the game. Shifted sand and mud. There are more recent earthquake hazard and risk calculations available, but I have yet to find these risks and hazards incorporated into a full scenario, where costs and losses are calculated for the earthquake. Specially designed buildings will receive considerable damage. Create your own user feedback survey . The tsunami waves killed 230,000 to 280,000 people, with heights up to 100 feet. The higher numbers of the scale are based on observed structural damage. Knocked pictures against walls, or swung them out of place. There are many ways that we can rate events that occur during everyday life. Sand and mud ejected in small amounts. Do you agree with this alignment? Strong -- Everyone feels it, and its enough to frighten many. Copyright The intensity is not completely determined by the magnitude. Students learn about the Mercalli Scale for rating earthquakes.copyrightCopyright http://upload.wikimedia.org/wikipedia/commons/c/c7/US_Navy_110320-M-0145H-063_A_large_ferry_boat_rests_inland_amidst_destroyed_houses_after_a_9.0_earthquake_and_subsequent_tsunami_struck_Japan_March.jpg. This scale is used by insurance companies and local planning commissions in urban areas. When searching for trusted online casinos, a discerning approach is best. Assigning of MM intensity values therefore involves use of the original criteria of Wood and Neumann (1931) with amendments and modifications that have been developed in the decades since 1931. Mercalli Scale Simulator | Welcome Bonus! Earthquake Formation: Crust, Plates, Currents, Drift and Faults, Testing Model Structures: Jell-O Earthquake in the Classroom, Tsunami Attack! Heavy furniture overturned. Engineers often invent scales or systems to use as measurement tools. They make a model of a seismographa measuring device that records an earthquake on a seismogram. Damage slight in specially designed structures; considerable damage in ordinary substantial buildings with partial collapse. The scale is used to assess the damage after an Mercalli Scale Simulator - Women of Distinction 2021. buildings, dams and other major structures. When I wrote my book I expected a San Andreas earthquake scenario to be easy to find with all the Hollywood disaster movies. Threw objects upward into the air. The effect of an earthquake on the Earth's surface is referred to as its intensity. Standing motor cars rocked noticeably. Once house was 3 miles from the epicenter and suffered total Rang large church bells, etc. Dozens of intensity-prediction equations[21] have been published to estimate the macroseismic intensity at a location given the magnitude, source-to-site distance, and perhaps other parameters (e.g. out about the discoveries that have been made by scientists using Would you prefer to share this page with others by linking to it? USGS image, public domain. [7] This became known as the "MercalliCancani scale, formulated by Sieberg", or the "MercalliCancaniSieberg scale", or simply "MCS",[8] and was used extensively in Europe and remains in use in Italy by the National Institute of Geophysics and Volcanology (INGV).[9]. The earthquake was the third largest since recording started in 1900, and it caused one of the deadliest disasters in modern history. Frightened many, excitement general, some alarm, many ran outdoors. University of California during the earthquake. It does not have a mathematical basis; instead it is an arbitrary ranking based on observed effects. They can also be caused by a landslide crashing into the water, and that landslide could have been caused by an earthquake. Units serve as guides to a particular content or subject area. Damage considerable to concrete irrigation ditches. 3 Which is better Mercalli vs Richter scale? Know the risks. Sign up to our monthly newsletter and receive our FREE eBook containing 3 fun activities that dont appear in any of our other books! For example: "Rio de Janeiro, Intensity Distribution and Isoseismal Maps for the Northridge, California, Earthquake of January 17,1994. In many earthquake hazards, surface fault ruptures are identified as ground displacement. The Mercalli scale is linear and the Richter scale is logarithmic. Which is better Mercalli vs Richter scale? II. Thanks for your feedback! Best Online Casinos in 2022: Top Casino Sites Rated by Real Money Casino Games, Bonuses & Fairness. XII. It was later improved by Charles Richter, the father of the Richter magnitude scale. Can they think of examples where something has a rating or a level? Destroyed large well-built bridges by the wrecking of supporting piers, or pillars. Another problem is that incomplete spatial coverage may lead to a mislocation of the earthquake or an underassessment of its size. Buildings shifted off foundations. Buildings of better design and construction may only receive negligible damage. Weak -- Most people indoors will feel the movement, particularly in the upper floors of buildings. Bridges are destroyed and underground pipes are out of service. It measures the effects of an earthquake, and is distinct from the moment magnitude usually reported for an earthquake (sometimes misreported as the Richter magnitude), which is a measure of the energy released. We respect your privacy and you can be assured that we will never share your email address or use it for any other purpose than to send you our newsletter. I. Twisting, fall, of chimneys, columns, monuments, also factory stack, towers. That's about 12% of the K-12 children in the state. Register New Account 100 Cats Some games will offer a no deposit bonus offering coins or credits, but keep in mind that free slots are just for fun. Intensity scales empirically categorize the intensity of shaking based on the effects reported by untrained observers and are adapted for the effects that might be observed in a particular region. We regret that this curriculum does not meet your expectations. Humans cannot eliminate the hazards but can take steps to reduce their impacts. A lock () or https:// means youve safely connected to the .gov website. EARTHQUAKE SIMULATOR Simulate a Earthquake Step 1 Type the name of the city and the state of the hypothetical earthquake, and then click "Center". Students also investigate which structural designs are most likely to survive an earthquake. In simplified terms, magnitude measures how big an earthquake is while intensity measures how bad it is. Under certain conditions, at and outside the boundary of the area which a great shock is felt: sometimes birds, animals, reported uneasy or disturbed; sometimes dizziness or nausea experienced; sometimes trees, structures, liquids, bodies of water, may sway - doors may swing, very slowly. Severe -- Specially designed building receive slight damage, while considerable damage occurs in ordinary structures. Engineers and other scientists report damage to large Visit our Historic Earthquakes section for information and photographs of damaging earthquakes in Canada. Using these intensity values, and factors that affect the earthquake's effect on the surface, a very deep (something like more than 100 miles (160km)) 7.2 earthquake may only have an Mercalli value of IV or V. But the same magnitude tremor that's shallow (less than 43 miles or 70 km) might bump the intensity value to VII or VIII. Deeper earthquakes also have less interaction with the surface, and their energy is spread out across a larger volume. Earthquake Intensity What controls the shaking you feel? It's not if and earthquake strikes but when, how hard, and how might it affect the area. Mercalli Scale Simulator - Blackjack. 6 How does the Roman numeral numbering system work? Best Online Casinos 2022. Welcome back, Mercalli Earth slumps and land slips in soft ground. Insurance agents use the scale to determine the cost of Review the purpose of the Mercalli Scale with the students, as described in the Introduction/Motivation section. Gives players additional rounds on the game. Frightened few - slight excitement, a few ran outdoors. 200% sign-up bonus up to ,000 EDITOR PICKS Even if you already gamble online for real money, playing free casino games can still be exciting and scale listed the hardest hit areas as IX showing major structural Mercalli Scale Simulator : Paradise Media. This scale They are continuously trying to improve the ways to predict and rate (or score) earthquakes. The Mercalli scale measures the intensity of an earthquake. Pairs Check/Sharing with the Community: Have students share their booklets with a partner or the person next to them. While over deep water, they can be difficult to detect due to their large wavelengths, which can take 20 to 30 minutes for it to cycle and may only have a few feet of height. At the time the Richter scale was in use, but the shaking effects of the quake didn't fit the Richter's Modified Mercalli Intensity scale. Few, if any, (masonry) structures remain standing. (That was the Richter magnitude for the Chile earthquake of 1960. Mercalli Scale Sim - YouTube 0:00 / 5:43 Mercalli Scale Sim 64,796 views May 25, 2017 Like Dislike Share Save Ben Work 640 subscribers Try YouTube Kids Learn more Show more Note: The Modified Mercalli scale is designed to describe the effects of an earthquake, at a given place, on natural features, on industrial installations and on human beings. Liquid set in strong motion. The Modified Mercalli intensity scale (MM, MMI, or MCS), developed from Giuseppe Mercalli's Mercalli intensity scale of 1902, is a seismic intensity scale used for measuring the intensity of shaking produced by an earthquake. See details at, National Institute of Geophysics and Volcanology, Japan Meteorological Agency seismic intensity scale, "M 7.0 26 km NNE of El Hoyo, Argentina Impact", "Ground motion prediction equations (19642021) by John Douglas, University of Strathclyde, Glasgow, United Kingdom", "On scales of seismic intensity and on the construction and use of isoseismal lines", "Intensity Distribution and Isoseismal Maps for the Northridge, California, Earthquake of January 17, 1994", "The comparison of macroseismic intensity scales", "Chapter 12: Intensity and Intensity Scales", "Long-Term Perspectives on Giant Earthquakes and Tsunamis at Subduction Zones", "Seismicity of the United States, 1568 1989 (Revised)", "Modified Mercalli Intensity Scale of 1931", "Landslides of the 1920 Haiyuan earthquake, northern China", National Earthquake Information Center (U.S.). The large table gives Modified Mercalli scale intensities that are typically observed at locations near the epicenter of the earthquake. It was later completely re-written by the German geophysicist August Heinrich Sieberg and became known as the MercalliCancaniSieberg (MCS) scale. where they live. It measures the effects of an earthquake at a given location, distinguished from the earthquake's inherent force or strength as measured by seismic magnitude scales (such as the "'"`UNIQ--templatestyles-0000000A-QINU`"'Mw" magnitude usually reported for an earthquake). Cracked windows - in some cases, but not generally. Buildings are shifted off foundations. Visit Ignition. Share sensitive information only on official, secure websites. It can be labeled the "Mercalli Scale." Available on Amazon. What is the highest number on the Richter scale? Rails bent. Copyright http://upload.wikimedia.org/wikipedia/commons/c/c7/US_Navy_110320-M-0145H-063_A_large_ferry_boat_rests_inland_amidst_destroyed_houses_after_a_9.0_earthquake_and_subsequent_tsunami_struck_Japan_March.jpg. The Italian volcanologist Giuseppe Mercalli revised the widely used simple ten-degree RossiForel scale between 1884 and 1906, creating the Mercalli Intensity scale which is still used nowadays. Fall of plaster in considerable to large amount, also some stucco. Ask the students: With Words and Pictures: Have students write a sentence on the bottom of each page of their information booklet describing their illustration of the Mercalli Scale rating. [8] Wood and Neumann also had an abridged version, with fewer criteria for assessing the degree of intensity. The MercalliCancaniSieberg scale was later modified and published in English by Harry O. earthquake insurance to people living in the area. 2002-04-02T08:19:20-06:00 Author: Published on: November 6, 2020 Published in: Uncategorized Published on: November 6, 2020 Published in: Uncategorized Sensation like heavy truck striking building. Source: Wood, H.O., and F. Neumann, 1931. Bent railroad rails slightly. Get prepared at work and home. Wasatch Fault - Central Segments The five central segments of the. [2][3] The colors and descriptive names shown here differ from those used on certain shake maps in other articles. Bridges are destroyed. Frightened all - general alarm, all ran outdoors. VII. The Mercalli scale has 12 divisions, using Roman numerals from I to XII. 200% sign-up bonus up to ,000 EDITOR PICKS Even if you already gamble online for real money, playing free casino games can still be exciting and fun. This means that an earthquake may have different intensities from place to place, but it will only have one magnitude. This scale, composed of increasing levels of intensity that range from imperceptible shaking to catastrophic destruction, is designated by Roman numerals. A good website to visit is: https://www.ngdc.noaa.gov/ngdc.html. and costs to rebuild has been estimated between $20 and $25 billion. It's different to personally feel a big earthquake and see the aftermath. Not felt except by very few under especially favorable conditions. Earthquake Hazards: Surface Fault Rupture, Look for coming posts on earthquake scenarios, 119 Utah public school buildings at higher risk of earthquake damage. Dammed lakes, produced waterfalls, deflected rivers, etc. How big is an earthquake on the Mercalli scale? The lower degrees of the Modified Mercalli Intensity scale generally deal with the manner in which the earthquake is felt by people. Earthquake Facts Find Each segment is thought to rupture independent of the others. California passed the Alquist-Priolo Earthquake Fault Zoning Act in 1972 to mitigate surface ruptures. Great Alaskan Earthquake was the second largest earthquake of the 20th 2002-04-02T08:19:20-06:00 [5], In 1904, Adolfo Cancani proposed adding two additional degrees for very strong earthquakes, "catastrophe" and "enormous catastrophe", thus creating a 12-degree scale. It is the most studiednormal fault in the world ( Earthquake Probabilities for the Wasatch Front Region in Utah, Idaho, and Wyoming ). Get Started. Simulation activity takes place in a covered space, provided by a monolithic reinforced concrete shear-wall structure, built in a mini-theater fashion, equipped w ith professional quality surround-stereo audio and intensities up to VIII+ in the Modified Mercalli Scale could be achieved. The effect of an earthquake on the Earth's surface is called the intensity. 2012-2017 Ring of Fire Science Company. Shifted sand and mud horizontally on beaches and flat land. Since most material I read referenced that 2008 ShakeOut, that is what this scenario post is based on. Not felt - or, except rarely under especially favourable circumstances. Surveys Affected yielding wooden bridges less. Moved small objects, furnishings, the latter to slight extent. Some, or many, found it difficult to stand. Water channels, surface and underground, disturbed and modified greatly. It can travel hundreds, even thousands, of miles across the ocean. mercalli scale simulator. For example, a magnitude 7.0 quake in Salta, Argentina, in 2011, that was 576.8km deep, had a maximum felt intensity of V,[18] while a magnitude 2.2 event in Barrow in Furness, England, in 1865, about 1km deep, had a maximum felt intensity of VIII.[19].
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