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These lakes are also known as debris dams or barrier lakes. What are natural hazards? Categories & Types - HSEWatch What Causes a Tsunami? The occurrence of landslides in the Philippines is increasing. This brings about changes in the shape of the surface of the earth which is known as geomorphic processes. D 3. Cenotes 5. landslide, also called landslip, the movement downslope of a mass of rock, debris, earth, or soil (soil being a mixture of earth and debris). Find more similar flip PDFs like DRRR Q1 MODULE 1. Most destructive tsunamis are caused by earthquakes of magnitude 7.5 or more. 4. Note that 72% of tsunamis are generated by earthquakes. What are Landslides? They are: the coastal areas of California, Oregon, and Washington; the mountainous areas of Colorado, Idaho, Montana, Utah and Wyoming; the hilly to . A portion of the bridge was already partially broken and proceeded to collapse and sink into the river mere seconds into the video. DRRR Landslides and Sinkholes - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Xian Round Table Powerpoint file - The Landslide Blog ... Landslides can occur in offshore, coastal and onshore environments. PDF National Disaster Risk Reduction and Management Plan ... Natural hazard is a threat or risk that takes place in nature like earthquake, tsunamis, volcanic eruptions and landslides which happens naturally and has a negative effect on people or on the environment. 4. Advertisement. Underwater landslides can also result in tsunamis when the material loosened by the landslide moves violently, pushing the water in front of it. In sand and clay soils, a small amount of water . bridges, to tilt or sink into the liquefied deposits. • Cover-subsidence sinkholes- which form slowly over time with the ground gradually subsiding or deflating. What is Hydro-meteorological Hazard? REVIEW WHAT ARE THE DIFFERENT VOLCANIC HAZARDS ? The file is located on slideshare - you should be able to download the powerpoint file from there. Check Pages 1-31 of DRRR Q1 MODULE 1 in the flip PDF version. Here is our list and things to prepare before a Typhoon. Here are some tips on how to protect your home and what to do when a slide hits. 1. The learners… 1. New… Study the condition in your area and watch out for . Discuss the different geological hazards; 2. Volcanic landslides have formed some of the largest catastrophic landslide events on the Earth, especially from the large oceanic islands such as Hawai'i, the Canaries, and in island arcs, such as Japan (Sekiya and Kikuchi, 1890, Miyachi, 1992) and the Philippines (Paguican et al., 2014).A major hazard associated with such sea-bound volcanoes is the generation of tsunamis, for example, that . Landslides stem from the failure of materials making up the hill slopes and are beefed up by the force of gravity. Landslide occur when an earthquake, floods/prolonged rainfall, or volcanic eruption occur. The learners… 1. Recognize signs of impending geological Maps or reports on the potential for landslides at the local level are found in some urban areas that have a high potential for the . Learn about the definition, types, causes, and overall process of . In 2013, a deadly landslide occurred in St. Paul's Lilydale Regional Park. Casualties in the United States are primar-ily caused by rockfalls, rock slides, and debris flows. This is the accumulation of water, rock, soil and airborne solids form a . Submarine landslides sometimes cause tsunamis that damage coastal areas. This article will give further details about floods within the context of the IAS Exam. its full usefulne ss in the future. • These types of events can go unnoticed or undetected. 1. Learn the causes and effects of different types of cyclones, understand variables in their formation, and discover the . 10. Do not throw anything into the sinkhole. 3. Each of the four panelists was asked to talk for 10-12 minutes before the panel discussion started. 4. Today I participated in a round table discussion at the 10th International Symposium on Landslides and Engineered Slopes. D 2. Heavy rains in the spring of 2014 were responsible for several Because we are here concerned with subsidence disasters and hazards we will concentrate on the formation of sinkholes by collapse. Check the house for possible damage Make […] In this work I looked at the Durham Fatal Landslide Database . Rocks & soils. There are more variations in landslide mechanisms and triggering events. Worksheet in Impeding Signs of Landslide and Sinkhole, and Interpreting Geological Hazard I. In this blog post, discover the causes of landslides and take a close look at the dangers of this natural phenomenon. Thus, proper techniques for landslide mitigation are required to regulate the safety of precious lives. In contrast with a lahar, a landslide involves failure of the slope of the volcano itself. D 13. George Pankewytch/Flickr/CC-BY 2.0. The rocks and soils are an important commodity group for Switzerland. (Bob Schuster) This landslide destroyed major railroads and highways, and dammed the Spanish Fork Rive flooding the town of Thistle. Floods and landslides unleashed by Typhoon Trix kill 995 people in the Bicol region of the main island of Luzon on October 16, 1952. Quarter 2 - Module 1 Geological Hazards: Landslides and Sinkholes What I know 1. Landslide Mitigation Strategies . Geological Survey Those one-in-a-million odds of death by landslide come with some caveats. In general, a typical karst landscape forms when much of the water falling on the surface interacts with . Photography credit: Mark Reid/U.S. The piece is also written up in an article for the conference paper - reference below. Related Stories 'Yolanda' kills 300 in Samar - official. Damage from Hurricane Sandy in 2012. Lahars. Earthquakes are a very common origin of soil liquefaction damage, but other vibration-creating events can be a factor. The most common cause is earthquakes. Sometimes a river might receive extra water, either from heavy rains or other natural disasters. Geologic hazards phenomena can occur suddenly, or slowly. Basically, this means that when it rains, all of the water stays inside the sinkhole and typically drains into the subsurface.Sinkholes are most common in what geologists call, "karst terrain." These are regions where the types of rock below the land surface can naturally be dissolved by groundwater . The topic of the discussion was: "Strength criteria and design approaches for difficult soils and rocks". A 11. 10121 of 2010, which provides the legal basis for policies, plans and programs to deal with Landslides- geological phenomenon that includes a wide range of ground movement Sinkholes- a depression or hole in the ground caused by some form of collapse of surface layer Causing Conditions Landslides and Sinkholes Both landslides and sinkholes can be caused by artificial and Like the other natural disasters, a landslide… 2. Geomorphological processes are natural mechanisms of erosion, weathering, and deposition that result in the alteration of the surficial materials and landforms at the surface of the earth. Before: Check your insurance coverage. 1) Survey your house's or office's immediate vicinity and make sure to take note of areas that are most likely to be affected by the flood. Blue Holes 6. VOLCANIC Mass wasting is natural phenomena characterized by the mass movement of rock, soil, and debris downward as a result of gravity. The National Disaster Risk Reduction and Management Council (NDRRMC), formerly known as the National Disaster Coordinating Council (NDCC), is a working group of various government, non-government, civil sector and private sector organizations of the Government of the Republic of the Philippines established by Republic Act 10121 of 2010 Tsunamis are caused by violent seafloor movement associated with earthquakes, landslides, lava entering the sea, seamount collapse, or meteorite impact. DRRR Landslides and Sinkholes This is largely because sediment transport is a 2) Landslides and avalanche: Earthquakes can produce slope instability leading to landslides and avalanche. landslide - landslide - Landslide mitigation and prevention: Landslides pose a recurrent hazard to human life and livelihood in most parts of the world, especially in some regions that have experienced rapid population and economic growth. The different types of slides are rotational and translational. Landslides occur in response to a variety of both natural and manmade triggering events, such as earthquakes, heavy rainfall, volcanic activity, or road and building construction. Major policy interventions and changes in management approaches, both at local and global levels, are needed in order to prevent, stop or reverse desertification. The landslide has a volume of about 20 cubic kilometers, a depth of 300 m, a travel distance of 14 km and a width of 5 km. 3) Tsunamis: When earthquakes occur under sea it causes tsunami. More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Hydro-meteorological hazard is a phenomenon of atmospheric, hydrological or oceanographic nature that may cause loss of life, injury, or other health impacts, property damage, loss of livelihoods and services, social and economic disruption, or environmental damage. The learning places and learning resources provide important opportunities for teachers to explore ideas and knowledge, collaborate, solve problems and develop knowledge and skills. Some people refer to it as earthquake liquefaction. Factor of Safety (F); F = Resisting Force (R) Driving Force (D) When, F< 1 = landslide occur Resisting forces (R) preventing the mass from sliding down the slope are inversely proportional to the same hill 2 slope angle and . Landslide ppt. Geologically, the Kashmir Himalaya is the young and most dynamic system in the world. Large landslides caused . A landslide that occurs along the coast can force large amounts of water into the sea, disturbing the water and generate a tsunami. landslide 2. When this happens, the water overflows from its normal path in the river bed and onto the dry land. Geologic Hazards Mitigation is the application of geologic engineering principles to minimize or prevent the effects of naturally occurring geologic hazards. View Other Geologic Hazards Landslides and Sinkholes.pdf from Science 2002 at Douglas College. a. poverty and inequality b. climate change and weak governance c. climate change and environmental degradation d. climate change and globalized economic development 11. C 6. 7. The landslide is located on the Kabir Kuh anticline in Southwest Iran at 33 degrees north latitude, 47.65 degrees east longitude. Discuss the different geological hazards; 2. See the percentages on the right for the geological events that cause tsunamis. You can take note or report any defects for resolution and fixing. A 12. Subsidence can also be referred to as sink holes and is very common around the world. Landslides are masses of rock and soil that slide rapidly due to gravity. There are 18 SLM or Self Learning Modules for Quarter 2 posted or uploaded at commons.deped.gov.ph. This kind of disaster will fall under which of the following risks? Recognize signs of impending geological LANDSLIDES • Landslides are defined as mass movement of rock, debris or earth down a slope and have come to include broad range of motions whereby falling, sliding and flowing under the influence of gravity dislodges earth material. Sinkhole The learners develop a family emergency preparedness plan to guide them on what to do before, during, and after the occurrence of events that cause geological hazards. Earthquake damage from fires is the most important secondary effect. - Khanna, B.K and Khanna, N., 2011. The Ridgecrest earthquakes that hit on July 4 and July 5, 2019 with a magnitude 6.4 and 7.1, respectively, were the most recent major earthquakes in Southern . One of the most commonly occurring natural disasters nowadays is Landslide. Landslides can move slowly, (millimeters per year) or can move quickly and disastrously, as . Sinkholes. Landslides are an unfortunate reality for Hennepin County, the metropolitan areaand other regions in the State of Minnesota. Yes, in some cases human activities can be a contributing factor in causing landslides. Many human-caused landslides can be avoided or mitigated. A lahar is a type of flow landslide which is caused by volcanic activity. A flood is an overflow of water on land. Conclusion. a. poverty and inequality b. climate change and weak governance c. climate change and environmental degradation d. climate change and globalized economic development 11. Landslides occur when gravitational and other types of shear stresses within a slope exceed the shear strength (resistance to shearing) of the materials that form the slope.. Shear stresses can be built up within a slope by a number of processes. Landslides in the United States cause approximately $3.5 billion (year 2001 dollars) in dam-age, and kill between 25 and 50 people annually. Landslide lakes are created when a river is naturally dammed by the deposition of debris resulting from a rock avalanche, landslide, mudflow, or volcanic eruption. Analyze the causes of geological hazards; 3. Several common causes of landslides are: Water: Perhaps the most common trigger of a landslide, water reduces the friction between the bedrock and the overlying sediment, and gravity sends the debris sliding downhill. 10. There were no deaths, but it is the most expensive landslide to fix in U.S. history. This kind of disaster will fall under which of the following risks? Soil liquefaction occurs when waterlogged soil behaves like a liquid. That's because the shaking can cause windows to break, structures to collapse, fire, and other dangers. The vibrations of earthquake shockwaves in water-saturated soils trigger the phenomenon. Sinkhole There are two types of sinkholes: • Cover-collapsed sinkholes- which develop quickly in a matter of hours and cause catastrophic damage. A natural disaster is an unfavorable event caused from natural processes of the Earth like floods, hurricanes, tornadoes, volcanic eruptions . The other talks and papers can also be accessed from the conference website.. Addressing desertification is critical and essential to meeting the Millennium Development Goals which aim to . This type of landslide can cause extensive damage to railways, roads as well as property and buildings. 1. Before: Create a disaster preparedness plan for your home or property ahead of time. Landslides on the other hand, are slow, continuous processes. Dams Safety and Geology. Prevention is a lot more cost-effective than rehabilitation, and this should be taken into account in policy decisions. Landslides in the United States occur in all 50 States. A landslide is defined as the movement of a mass of rock, debris, or earth down a slope due to gravity. They are commonly a result of building roads and structures without adequate grading of slopes, poorly planned alteration of drainage patterns, and disturbing old landslides.Detailed on-site investigation is required to determine the importance of . A picture shared on Twitter indicated the state of the old Bentong-Raub road, which was completely cut off due to what appears to be a massive landslide that partially destroyed the road. • Take place in conjunction with I. Earthquakes II. 183. is a Philippine national institution dedicated to provide information on the activities of volcanoes, earthquakes, and tsunamis, as well as other specialized information and services primarily for the protection of life and property and in support of economic, productivity, and sustainable development. Besides natural factors, landslides in Bhutan have also been brought about by human activity, especially the building of roads and canals, which result in deep slope . (UNISDR) There are different Hydro-meteorological hazard occur in the world. Typhoon can be detected and monitored since its coming is reflected on the weather satellite. Geologic Hazards are naturally occurring (or man-made) geologic conditions capable of causing damage or loss of property and/or life. Landslide warning signs (Brtish Colombia, 2012) Springs, seeps or saturated ground in areas that are not usually wet. It is one of the service agencies of the Department of Science and Technology Landslide: Thistle, Utah. During the rainy season in Pakistan, landslides along highways in the Murree hills, Pir Panjal and the Hindu Kush are also triggered by dam construction and open-pit mining. The effects of landslides on people and structures can be lessened by total avoidance of landslide hazard areas or by restricting, prohibiting, or imposing . Sinkhole The learners develop a family emergency preparedness plan to guide them on what to do before, during, and after the occurrence of events that cause geological hazards. Geology plays an important role in deciding the safety of any dam and ensures. suspension and, therefore, sink back to the river bed. Worldwide, landslides occur and cause 13.2 Sediment measurement While the underlying theory is well known, the measurement of sediment transport requires that many simplifying assumptions are made. landslides. And for those who have not yet downloaded all the modules we have listed below all the Modules for Readiness and Risk Reduction for the Second Quarter. It can lead to loss of property and life. 15.3 Preventing, Delaying, Monitoring, and Mitigating Mass Wasting As already noted, we cannot prevent mass wasting in the long term as it is a natural and ongoing process; however, in many situations there are actions that we can take to reduce or mitigate its damaging effects on people and infrastructure. Definition A landslide, also known as a landslip, is a geological phenomenon that includes a wide range of ground movements, such as rock falls, deep failure of slopes and shallow debris flows. • Landslides can be caused by rainfall, snowmelt, water level changes, ground water depletion, stream erosion, earthquakes, volcanic activity, disturbance by human activities or a combination of these. When the ground becomes saturated, it can become unstable, losing its . It can lead to many short-term and long-term effects on the environment, location, and people. Karst is associated with soluble rock types such as limestone, marble, and gypsum. The damage caused by earthquakes is from ground shaking, ground rupture, landslides, tsunamis, and liquefaction. Now we will discuss different kinds of volcanic activity and their effects on Download DRRR Q1 MODULE 1 PDF for free. Analyze the causes of geological hazards; 3. Landslides can be caused by earthquakes or high rainfall, but volcanic activities such as magma intrusions and volcanic gas explosions can also be triggers. It may contaminate the groundwater. Reactivated La Chichita Landslide in Ventura, California. D 7. The following lists are detailed procedures on how to act before, during, and after a flood. In Muzaffarabad, mostly, people live on the fragile mountain slopes, and therefore, they are highly vulnerable . Introduction 1. This includes raw materials for the brick-and-tile industry, lime and marl for the binder material industry, gravels and sands as well as dimension stone and rock for construction purposes. The occurrence of landslides in the Philippines is increasing. View DRRR_Q2 M1.docx from STEM 12 at STI College (multiple campuses). This article deals with the analysis of landslide causes and associated damages in the Kashmir Himalayas of Pakistan. During the rainy season in Pakistan, landslides along highways in the Murree hills, Pir Panjal and the Hindu Kush are also triggered by dam construction and open-pit mining. How To Prepare. 4.0 - Geological Hazards VOLCANIC ACTIVITY In the section on igneous rocks we discussed viscosity of magma. • Submarine landslides can lead to tsunamis as well. Landslides are caused because of heavy rains, earthquakes, deforestation, volcanic eruptions, construction of roads, and buildings or houses, etc. Secure whatever is left of your properties and relocate to safe grounds, preferably far from this location. Saltation load is never measured in operational hydrology. Signs of Landslides Experts say these are the warning signs a landslide may be headed to your area. Landslide lakes . 5. 1. 1. Besides natural factors, landslides in Bhutan have also been brought about by human activity, especially the building of roads and canals, which result in deep slope . Karst is a type of landscape where the dissolving of the bedrock has created sinkholes, sinking streams, caves, springs, and other characteristic features. 2. landslide 2. If the crack gets longer or wider, the sinkhole may still be enlarging. In simple words, a landslide is the collapsing of the mass of Earth or rocks or debris from a steep slope. Landslides occur when gravity overcomes the force of friction. A 8. The present study is based on Muzaffarabad, which lies in the lesser Himalayas. However, three regions have especially high rates of landslide incidence and susceptibility. Natural hazards are naturally occurring physical phenomena caused either by rapid or slow onset events which might have a negative effect on humans or the environment; these events can be can be geophysical, hydrological, climatological, meteorological, or biological. The learning environment's power to influence and promote learning is significant not just to our students but also to us, teachers. (2) Other Landslide Hazard Information: National maps of the occurrence of landslides and liquefaction at a scale of 1:2,000,000 have been produced by the South American countries under the coordination of CERESIS. Any Typhoon is never easy to deal with so we must, at least, be prepared whenever encounter with this kind of situation. Monitor the damages on objects. The paper can be accessed, for free, from the conference website.. DRRR Q1 MODULE 1 was published by Danyl Egos on 2020-08-10. 6. Some sinkholes form when the roofs of caves collapse, others can form at the surface by dissolving the rock downward. Cyclones are storms that have a low-pressure center and are rotating. A powerful earthquake can cause landslides, tsunamis, flooding, and other catastrophic events. Mass wasting, weathering, deposition, and erosion . Most damage and deaths happen in populated areas. 2. Rain-induced landslides (Pagguho ng lupa sanhi ng pag-ulan) are caused by heavy rain due to storms and southwest monsoon (habagat) is the sliding down of soil, rocks or mud from an elevated place like a mountain or cliff resulting in houses or structures, properties and even people being buried.. What To Do Before A Rain-Induced Landslide. Landslide and Sinkholes Landslide Have you ever heard about landslides on the news or seen pictures showing the devastation they can cause? EXECUTIVE SUMMARY The National Disaster Risk Reduction and Management Plan (NDRRMP) fulfills the requirement of RA No. Geologists cannot predict earthquakes. Hazards are mitigated mainly through precautionary means—for instance, by restricting or even removing populations from areas with a history of landslides . 4. A sinkhole is a depression in the ground that has no natural external surface drainage. A landslide, sometimes known as landslip, slope failure or slump, is an uncontrollable downhill flow of rock, earth, debris or the combination of the three. Stay away from the sinkhole 2. Lesson 12. The materials may move by falling, toppling, sliding, spreading, or flowing. Landslide Mitigation—How to Reduce the Effects of Landslides Vulnerability to landslide hazards is a function of location, type of human activity, use, and frequency of landslide events. INTRODUCTION A landslide is a downward or outward movement of soil, rock or vegetation, under the influence of gravity. Earthquakes and volcanic eruptions often lead to the formation of such lakes. A sinkhole is a large dissolution cavity that is open to the Earth's surface. Landslides are defined as the mass movement of rock, debris or earth down a slope and have come to include broad range of motions whereby falling, sliding, and flowing under the influence of gravity dislodges earth material. PRESENTED BY:- ABHIMANYU SINGH BHATI. DOWNLOAD: 2021 DepEd Resources. Geological hazards, if bypassed . Following a checklist in times of crisis can help focus your attention and keep you from missing important details.
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