Seismic calculator, free seismic calculator software downloads. Seismic analysis, design, and installation of nscs pdf 24mb and testing database. Software to download usgs earthquake hazard program. The design code developers first decide how usgs earthquake hazard information should be applied in design practice. Geographic coordinates of these maxima and minima are also provided. Additional period and site class maps for the 2014. National seismic hazard mapping project nshmp legacy fortran code usgsnshmp hazfortran. Clicking the map icon in the top right corner will load the map. This software is in the public domain because it contains materials that originally came from the united states geological survey, an agency of the united states department of interior.
Jump to navigation risktargeted ground motion calculator. Usgs software tools for sitespecific ground motion hazard. 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. Through telework and other adaptations we continue to maintain our monitoring networks and analysis of the incoming data. The usgs has incorporated globalscale sets of seismic design parameter values into the tool. Elements of infrastructure and seismic hazard in the central united states. Clicking the about icon in the top right corner loads this page. Expected ground motion can be calculated on the basis of probability, and the expected ground motions are referred to as seismic hazard. Seismicat provides an online seismic risk assessment tool for building property owners, lenders, insurers and municipal analysts.
National earthquake hazards reduction program reauthorization act of 2018. Earthquake hazard map showing peak ground accelerations having a 2 percent probability of being exceeded in. The software can also peas well as probabilistic seismic hazard psha and risk psra modeling. Utility to calculate mineral and mineral aggregate moduli and density at specified temperatures and pressures. These data were calculated to estimate seismic hazard, risk, and design across south america using the latest data, models, and methods. These codes include all necessary configuration and data files and were compiled and. Geological survey for the conterminous united states. Instructional material complementing fema 451, design examples seismic hazard analysis 5a 1 seismic hazard analysis this topic addresses deterministic and probabilistic seismic hazard analysis, ground motion attenuation relationships, the u. Risktargeted ground motion calculator usgs earthquake hazards. Clicking the list icon in the top right corner will load the earthquake list. The mariana island arc has formed in response to northwestward subduction of the pacific plate beneath the philippine sea plate, and this process controls seismic activity in the region. The seismicat singlesite tool uses updated usgs ground motions 2014 and 2008 computed directly for the specific site class rather than scaled from soft rock bc site condition. The disconnect between the urban and national hazard models.
To date, all globalscale sets of parameter values referenced by the tool are based upon peak ground acceleration pga values with a 10% probability of exceedance in 50 years from the global seismic hazard assessment program gshap study. This tool is used to calculate risktargeted ground motion values from probabilistic seismic hazard curves in accordance with the sitespecific ground motion procedures defined in method 2 of 2010 asce 7 standard section 21. Geological survey in order to identify the preevent timewindow for systematic and automated processing of large numbers of accelerograms. National seismic hazard mapping project nshmp code. To run them, you need to have java installed, preferably version 8 or higher. Geological survey, 2010, earthquake hazards program. Earthquake catalogs compiled for the usgs national seismic. Seaoc oshpd do not intend that the use of this information replace the sound judgment of such competent professionals, having experience and knowledge in the field of practice, nor to substitute for the standard of care required of such professionals in interpreting and applying the results of the seismic data provided by this website.
Earthquake load equivalent static method nbc 2010 earthquake load equivalent static method nbc 2010 version 0. Nicolas luco is a research structural engineer with the u. Updated continental scale seismic hazard models are based on a new seismicity catalog, seismicity rate models, evaluation of earthquake sizes, fault geometry and rate parameters, and. National archive of marine seismic surveys home usgs. The applications are all written in java and are bundled as doubleclickable jar files. The commaseparated values csv files below provide maximum and minimum ss, s1, and pga values for each of the 50 states plus washington, d. Documentation june 1996 by arthur frankel, charles mueller, theodore barnhard, david perkins, e. Geological survey usgs, its partners, and external groups developed urban seismic hazard maps urban models and maps that consider detailed site effects in local areas e. National seismic hazard model defines the potential for earthquake ground shaking for various probability levels across the conterminous united states and is applied in seismic provisions of. Where faults cannot be identified or characterized, alternative sources can be developed from seismicity catalogs.
Earthquake scenarios describe the expected ground motions and effects of specific hypothetical large earthquakes. Macr1d is a onedimensional seismic traveltime calculator for macintosh. Geological survey of canada open file 4459 earthquakes canada. We calculate the sensitivity of hazard probabilistic ground motions to the source parameters and the attenuation relations for both intraslab and interface earthquakes and. Seismic hazard curves and uniform hazard response spectra for. Please do not use this tool to obtain ground motion parameter values for the design code reference documents covered by the u.
Seismic hazard, risk, and design for south america. The global seismic hazard map is a product of the global seismic hazard assessment program gshap, launched in 1992 and terminated last year, which was part of the united nations international decade for natural disaster reduction. Nehrp national earthquake hazards reduction program a. The input data to the model, as well as the output data are available here. Using the usgs seismic hazards mapping utility asce library. Unified hazard tool usgs earthquake hazard program. Realtime monitoring, station, and other various seismic data available for download. National seismic hazard mapping project nshmp earthquake catalogs. Seismic hazard curves and uniform hazard response spectra for the united state s a user guide to accompany open file report 01 436 a. Downloading a list of earthquakes will download the worldwide list of. Comcat documentation usgs earthquake hazards program.
Utilities to extract temperature profiles and related information from the ncm thermal model. Then, enter values for story heights above grade and seismic weight approximately equal to the dead load for. Then, the usgs calculates values of seismic design parameters based on usgs hazard. For more maps and related information, visit the usgs earthquake hazards program. The usgs collaborates with organizations that develop building codes for buildings, bridges, and other structures to make seismic design parameter values available to engineers. Seismic design tools for engineers natural resources canada.
Jump to navigation comcat documentation latest earthquakes. Geological survey usgs national seismic hazard model project nshmp is responsible for developing. Quickly retrieve site structural design parameters specified by asce 710 and asce 716, including wind, seismic, snow, ice, rain, flood, and tsunami. Click on title to download individual files attached to this item. Earthquake hazards program website open html 7 kb the united states geological survey usgs earthquake hazards program ehp is part of the national earthquake hazards reduction program nehrp led by the national instititute of standards and technology nist. Seismic hazards are calculated considering consensus values for earthquake rates based on earthquake history, fault slip rates, and site soil types. The national archive of marine seismic surveys namss is a marine seismic reflection data archive consisting of data acquired by or contributed to u.
Finally, our calculations are compared with those of others e. Usgs earthquake hazards program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards. We present the results of a new probabilistic seismic hazard assessment for guam and the northern mariana islands. Usgs earthquake hazards software free download usgs. The seismic hazard information is combined considering the potential for earthquakes on all seismic sources, and the level of ground shaking that would be caused by those earthquakes. The usgs and its partners monitor and report earthquakes, assess earthquake. Traveltimes vs distance are calculated for p and s arrivals sorry, no. Apr, 2011 seismic calculator posted on april, 2011 by steve the usgs seismic design maps and tools for engineers is a great resource for quickly finding seismic design coefficients for different design codes.
Web application for calculating risk targeted ground motions and risk coefficients from hazard curves. About latest earthquakes version info clicking the list icon in the top right corner will load the earthquake list. We calculate seismic hazard, risk, and design criteria across south america using the latest data, models, and methods to support public officials, scientists, and engineers in earthquake risk mitigation efforts. The usgs is committed to preserving these data on behalf of the academic community and the nation. The usgs requests that the earthquake hazard community bring to our attention new earthquake source and ground motion data or models that could be included in the national seismic hazard model nshm updates. Unified hazard tool please do not use this tool to obtain ground motion parameter values for the design code reference documents covered by the u. The input data includes a seismicity catalog, seismicity rate models, evaluation of earthquake sizes, fault geometry and rate parameters, and groundmotion models. Usgs software to calculate ss, s1, sms, sm1, sds, sd1 based. The following desktop applications were built with opensha and allow you to explore different aspects of seismic hazard.
This means that there is more than a 20% chance of potentiallydamaging earthquake shaking in your project area in the next 50 years. Information about seismic hazards in particular parts of the nation is available from regional earthquake consortia supported by fema. Displays answers of loan amounts, interest rates, terms in months, or payment amounts based upon your loan variables. Not only are we implementing these test cases, but we are doing so in way that anyone can set up and run these tests using our applications. Calculate risktargeted ground motion parameter values in accordance with method 2 of 2010 asce 7 standard section 21.
Seismic hazard and seismic risk in the united states earthquake hazard and emergency management 44 the main lecture material. Geological survey usgs seismic hazard maps, the nehrp recommended provisions seismic design. National seismic hazard mapping project nshmp fortran codes. Based on usgss 2014 national seismic hazard maps newupdated fault characterizations new ground motion prediction equations changes also resulting from fragility curve.
This is a beta release of the new atc hazards by location website. Interactive fault map and comprehensive geologically based information on known or suspected active faults and folds in the united states. This dataset, providing peak ground acceleration pga, units. Earthquake summary posters for significant earthquakes. This web application can be used to calculate risktargeted ground motion values in accordance with method 2 of 2010 asce 7 standard section 21. Eqrm, which is actually short for earthquake risk model is a tool thats capable of earthquake scenario ground motion and scenario loss modeling.
Opensha is an opensource, javabased platform for conducting. Geological survey usgs national seismic hazard models nshm consider two kinds of earthquake sources. Geological survey maps that show gravity and magnetic data in contour form superimposed on a landsat satellite image of the san francisco bay area. This repository houses the legacy codes used to generate the 2008 and 2014 updates to the nshm for the conterminous us. National seismic hazard model defines the potential for earthquake ground shaking for various probability levels across the conterminous united states and is applied in seismic provisions of building codes, insurance rate structures, risk assessments, and other public policy. Apr, 2016 teachers guide to the san francisco bay area geophysics maps u. The next update of the nshm for the conterminous u. The map is based on the most recent usgs models for the conterminous u.
Earthquake hazard map showing peak ground accelerations having a 2 percent probability of being exceeded in 50 years, for a firm rock site. Geological survey usgs recently completed new probabilistic seismic hazard maps for the united states. Seismic design of castinplace concrete diaphragms, chords, and collectors pdf 4mb second edition. Alternatively, the instructor may wish to post the file electronically on the internet for the students to download. Then the usgs calculates gridded values of seismic design parameters based.
Usgs software to calculate ss, s1, sms, sm1, sds, sd1 based on zip cod minorchord2000 structural 26 jun 08 17. We investigate the impact of different rupture and attenuation models for the cascadia subduction zone by simulating seismic hazard models for the pacific northwest of the u. Clicking the options icon in the top right corner lets you change which earthquakes are displayed, and many other map and list options. For best results viewing and printing pdf documents, it is recommended that you download the documents to your computer and open them with adobe reader. Seismic hazard, risk, and design for south america usgs.
He serves as a liaison between the usgs national seismic hazard mapping project and the american society of civil engineers asce seismic subcommittees for the asce 7 and 41 standards, among other building code committees. The 2014 codes are the current master, and also tagged as nshm2014r1. Geological survey and the swiss seismological service have released the first quantitative map of global seismic hazard. Seismic hazard assessment for guam and the northern. Leyendecker, nancy dickman, stanley hanson, and margaret hopper introduction new seismic hazard maps have been prepared by the u. These and other maps that depict earthquake hazard levels throughout the country are produced by the u. The usgs collaborates with organizations such as the building seismic safety council that develop model building and bridge design codes to make seismic design parameter values available to engineers. All code verification is discussed in the documentation. As an objectoriented framework, opensha can accomodate arbitrarily complex e. Also, generalized fault data used in the hazard maps. Request for nominations, april 10, 2019 federal register notice pdf 82kb.
Seismic and wind force calculator cornell university. The damage potential of an earthquake is determined by how the ground moves and how the buildings within the affected region are constructed. Geological survey usgs engineering risk assessment project has developed the seismic risk web application to combine earthquake hazard and structural fragility information in order to calculate the risk of earthquake damage to structures. By default your browser will shake proportional to the earthquake magnitude. Want to be notified of new releases in usgsnshmp haz. Seismic calculator software free download seismic calculator. The updated model represents an assessment of the best available science in earthquake.
Note the 2010 national building code of canada is currently in force. Seismichazard maps for the conterminous united states usgs. Enter general data city, importance factor, seismic data site class, seismic force resisting system, and wind data exposure category, plan and parapet dimensions, and coefficients for directionality and topography. Compare 5 loans at once with loanspread loan comparison calculator and drill down into a loan summary of any of the 5 you choose. The 2015 edition is to be released in late 2015 or early 2016 and will be adopted by individual provinces and territories in the coming months. Pdf documents opened from your browser may not display or print as intended. Geological survey gp1006 and gp1007 this publication openfile report 95479 is a teachers guide to two u. Regional minimum and maximum seismic design map values. With each release or update of a national seismic hazard model nshm, a variety of earthquake catalogs are compiled and subsequently processed to remove duplicate, dependent foreshocks and aftershocks, and anthropogenic events. In addition, workshops are held for feedback and comments. In a paper submitted to seismological research letters related external resources, below, we describe a methodology. Photos, videos, and podcasts selected lists of earthquake damage, faults, and effects photos, videos, and podcasts.
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