A large earthquake will always be followed by a sequence of aftershocks. Provide to buyers a natural hazards disclosure statement. Residential earthquake hazards report 2005 edition name assessors parcel no. Earthquake hazards and risks earthquake risk zmany seismologists have said that earthquakes dont kill people, buildings do. The process may require several components, such as earthquake catalogues historical. Earthquake earthquake methods of reducing earthquake hazards. Learn what to do during an earthquake, and how to strengthen your home to prepare for an earthquake. On june 27, 2006, the official charter of the advisory committee on earthquake hazards reduction was established by the u. Mandatory residential disclosure report environmental hazards report subject property.
Such knowledge is needed to predict ground motions in future earthquakes so that earthquakeresistant structures can be designed. Considerable work has been done in seismology to explain the characteristics of the recorded ground motions in earthquakes. Earthquakes, landslides and tsunamis li juan and chen yong encyclopedia of life support systems eolss magnitude m5. Advisory committee on earthquake hazards reduction wikipedia. The usgs role in nehrp is to provide earth sciences information and products for earthquake loss reduction. Deliver to buyers a natural hazards disclosure form. This booklet is also a good start to begin strengthening your building against earthquake damage. National earthquake hazardsnational earthquake hazards.
If you do not have actual knowledge as to whether the weakness exists, an swer dont know. Unlike hurricanes and some other natural hazards, earthquakes strike suddenly and without warning. The usgs and its partners monitor and report earthquakes, assess earthquake impacts and hazards. Nevertheless, if the business that you own or work for is located in a region at risk for earthquakes there are many things that can be done to reduce the chances that those who work in or visit the premises will be injured, that property there will be damaged, or that your. Earthquake resilience guide for water and wastewater utilities. Residential earthquake hazards report 2005 edition. Earthquake hazards in the united states and puerto rico printed on recycled paper more than 75 million americans in 39 states face significant risk from earthquakes. As plates collide and grind over or past each other, stress builds up locally within the rock until the rock breaks along lines of weakness faults. Homeowners guide to earthquake safety real hazards. The surface where they slip is called the fault or fault plane. However, few can be as devastating as an earthquake. Earthquake safety earthquake preparedness red cross. D chandrasekharam department of earth sciences head, centre of studies in resources engineering indian institute of technology bombay such news items raises several questions like what are earthquakes. The usgs earthquake hazards program is part of the national earthquake hazards reduction program nehrp, established by congress in 1977, and the usgs advanced national seismic system anss was established by congress as a nehrp facility.
Ground motion shaking of the ground caused by the passage of seismic waves, especially surface waves, near the epicenter of the earthquake are responsible for the most damage during an earthquake and is thus a primary effect of an earthquake. Sellers must hand buyers a completed disclosure report. Downloads natural hazard disclosure report california. Identifying potential hazards ahead of time and advance planning can reduce the dangers of serious injury or loss of life from an earthquake. A complimentary combination of informational pamphlets for use in residential real estate disclosures assembled by california disclosures. The type of hazard depends on the strength of seismic activity, along with such factors as local topographic and built features, subsurface geology and groundwater. This booklet is designed to assist you in filling out the commercial earthquake hazards report when you sell your property. Hazards report, to be provided to the buyer see page 47. Residential earthquake hazards report 2005 edition mynhd. Combined guide to earthquake safety and environmental hazards pamphlets. Clicking the options icon in the top right corner lets you change which earthquakes are displayed, and many other map and list options.
In addition, pursuant to section 5a1 of the osh act, employers must provide their employees with a workplace free from recognized hazards likely to cause death or. The mitigation plan development team researched the earthquake. This annual report on the national earthquake hazards reduction program nehrp is submitted to congress by the interagency coordinating committee icc of nehrp, as required by the earthquake hazards reduction act of 1977 public law 95124, 42 u. Your home may be worth hundreds of thousands of dollars.
Annual report of the national earthquake hazards reduction. Combined guide to earthquake safety and environmental. Earthquake hazard analysis report subject property. National earthquake hazardsnational earthquake hazards reduction program a research and implementation partnership for risk mitigation presentation for 1 july 2009 jack hayes nehrp director. Earthquake simulation and evacuation drill during an earthquake, the most important thing for any child or adult to remember is the drop, cover, and hold drill. Homeowners guide to earthquake safety disclosure source. The disclosure will tell buyers whether the home is in an earthquake fault zone or in a seismic hazard zone. Mandatory residential disclosure report environmental. Groundwater is the major source of water supply in san gorgonio pass.
If you are in immediate need of help, please contact your local red cross or find an open shelter. Clicking the about icon in the top right corner loads this page. In most situations, you will reduce your chance of injury if you. Earthquake hazard assessment enables the likelihood of ground shaking across a region to be calculated, which is a fundamental component in earthquake risk assessment or hazard mapping for design codes. California real estate disclosure and mandatory booklets. Clicking the list icon in the top right corner will load the earthquake list. An earthquake is what happens when two blocks of the earth suddenly slip past one another. Earthquakes guidelines on preparing, responding and recovering. The occupational safety and health act osh act requires employers to comply with hazardspecific safety and health standards. Mission statementthe usgs earthquake hazards program of the u. Risk, detection, warning, and research congressional research service 1 introduction close to 75 million people in 39 states face some risk from earthquakes. Make informed decisions about your risk with an openhazards seismic safety report. The location below the earths surface where the earthquake starts is called the hypocenter, and the. This booklet is designed to assist you in filling out the residential earthquake hazards report see page 47 when you sell your home.
If you are selling a home that was built before 1960, you are required to fill out a residential earthquake hazards report pdf opens in new window, 32 kb. The science behind earthquakes what is an earthquake. This form is used by a sellers agent on the sale of a onetofour unit residential property built prior to 1960 to disclose to a buyer, together with a copy of the homeowners guide to earthquake safety, any potential earthquake. Street address year built city and county zip code answer these questions to the best of your knowledge. Earthquake hazards are greatest in the western united states, particularly in california, but also in alaska, washington, oregon, and hawaii. At the first indication of ground shaking, crouch under a desk or table, tuck your head, and keep your hands on the side of your neck unless you need to hold onto the legs of your. Selected publications about earthquakes in plain language. The homeowners guide to earthquake safety 1 for the purpose of this document, home includes single family residences, duplexes, triplexes, and fourplexes. Although earthquakes cause death and destruction through such. Geological survey usgs is part of the national earthquake hazards reduction program nehrp led by the national institute of standards and technology nist. Residential earthquake hazards report, to be provided to the buyer see page 47.
In this report, we present seismic imaging data and interpretations of subsurface structures that are useful for groundwaterresource and earthquake hazard evaluation in the cherry valley area fig. Earthquake shaking can be strong enough to cause soil and rock on a hillside to slide down the slope. Significant earthquakes 2020 usgs earthquake hazards. Wes rascal code for synthesizing earthquake ground motions 12 personal authors silva, walter j. Worldwide during the late 1950s, there were only about 700 seismographic stations, which were equipped with seismographs of various types and frequency responses. Sellers are not required to fix the weaknesses before they sell their homes. Clicking the map icon in the top right corner will load the map. Small and mediumsized utilities that need to better understand their seismic hazards. Emergency preparedness and response safety and health. Response and recovery work in earthquakeimpacted areas presents safety and health hazards that should be properly identified, evaluated, and controlled in a systematic manner to reduce or eliminate occupational safety and health risks to response and recovery workers. If you do not have actual knowledge as to whether the weakness exists, answer dont know.
Possible hazards from earthquakes can be classified as follows. Residential earthquake hazards report form pursuant to california business and professions code section 10149, and california government code sections 8897. Usgs science helps build safer communities earthquake. You cannot tell from the initial shaking if an earthquake will suddenly become intenseso always drop, cover, and hold on immediately. Usgs earthquake hazards program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards. This workshop was the second of a series of four scec5 workshops designed to evaluate the importance of each of the four ingredients required for dynamic earthquake rupture simulations. The disclosure will tell buyers whether the home is in an earthquake fault zone or in a seismic hazard. This is because most deaths from earthquakes are caused by buildings or other human construction falling down during an earthquake. Earthquake hazard and risk assessment preventionweb.
Earthquake preparedness and response responserecovery. National disaster management guidelines management of earthquakes april 2007 produced by. Earthquakes strike suddenly, violently and usually without warning. If your house does not have the feature, answer doesnt. A landslide can rip apart homes at the top of the slope and also crush homes at the bottom of the slope. Unesco eolss sample chapters natural and human induced hazards vol. Step 2 identify vulnerable assets and determine consequences. California state law does not require the seller to. Street address year built city and county zip code answer these questions to. Complete the residential earthquake hazards report, to be provided to the buyer. Utilities that know they are in earthquakeprone areas, but have not taken steps to address the hazard. Natural hazards dlscfosure 9 is the house outside a seismic hazard zone zone identified as susceptible to liquefaction report 36 or landsliding.
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