The interaction between the pacific and australia plates creates one of the most active tectonic environments in the world, with a high level of associated earthquake activity. Nehrp national earthquake hazards reduction program a. Preliminary integrated geologic map databases for the united states western states. Usgs publication technical manual, users guide, and software guide. 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 national seismic hazard maps for the united states are based on. The earthquake data shown on this map and listed in table 1 are a list of earthquakes that were originally used in preparing the seismic risk studies in the united states algermissen, 1969 which have been recompiled and updated through 1977. Users can display the footprint and thumbnail of one or more products, view metadata, directly download the file or add to a cart. Southern california earthquake center scec data center special data sets. Dyfi collects information from people who felt an earthquake and creates maps that show what. These figures are indexed geographically in the viewer providing access to a complete list of highresolution versions by clicking on the respective green area of interest aoi polygon.
The california earthquake hazards zone application eq zapp is an onlin e map that allows anyone with a computer, tablet or smartphone to conveniently check whether a property is in an earthquake hazard zone. Download free usgs topographic map quadrangles in georeferenced pdf geopdf format by clicking on map locator on the usgs store web site. The map is based on the most recent usgs models for the conterminous u. Global incident map displaying terrorist acts, suspicious activity, and general terrorism news a global display of human trafficking incidents and news close legend. Shipping times are estimations after the package has been shipped from the usgs warehouse. Preliminary earthquake hazard map of afghanistan usgs. The data from these maps can be read more easily using. Web services for realtime and catalog earthquakes, hazard maps, slabs, and.
For more recent data, please visit the usgs store or the national map. Usgs uses github for all new software development, as well as open. The data was downloaded from the faults and folds database website click to access. Clicking the about icon in the top right corner loads this page. Through vns, the hawaiian volcano observatory issues. Home usgs earthquakes are you on an earthquake fault. The usgss live map of earthquake activity around the world. I sit in the shade on a lane bordering a green meadow filled with exotic fledgling birds chirp chirping, sun going down past the brazilian pepper. Data themes included are boundaries, geographic names, transportation, contours, hydrography, land cover, shaded relief, and bathymetry. To protect your order during transit, products of different publication types and sizes may be shipped in separate packages. Usgs science in alaska portal map alaska science center. The anss comprehensive catalog comcat contains earthquake source parameters e. Volcano hazards program hawaiian volcano observatory. The usgs has comprehensive metadata on this dataset.
Maps of quaternary deposits and liquefaction susceptibility in the central san francisco bay region, california pdf the quaternary geology of the seattletacoma urban corridor building the foundation for geologichazard mapping pdf. Usgs drg maps for the state of california are available here. Earthquake hazard map showing peak ground accelerations having a 2 percent probability of being exceeded in. A global display of human trafficking incidents and news. Click the home button to zoom the map out to its original zoom and position. The tectonic earthquake data are primarily from a uniform moment magnitude earthquake catalog developed for utah and its. Shakemaps provide nearrealtime maps of ground motion and shaking intensity. These files were created using highresolution scans and average 1017 megabytes in size.
The usgs compiles online access to waterresources data collected at approximately 1. Clicking the options icon in the top right corner lets you change which earthquakes are displayed, and many other map and list options. If a product has a downloadable map, you will see a view pdf button beside the product in the product pane. Interactive fault mapinteractive quaternary faults map. The seismic events depicted on the map include both tectonic earthquakes and mininginduced seismicity mis associated with underground coal mining in eastcentral utah. This map shows surface ruptures associated with the m 6 mammoth lakes earthquakes of may 2527, 1980 sherburne, 1980. Seisrisk iii is the last published version of a series of programs used to produce probabilistic earthquake ground motion hazard maps for the united states from 1972 to 1992. Scenario earthquakes usgs earthquake hazard program.
Global incident map displaying terrorist acts, suspicious activity, and general terrorism news. Cat was largely automated but required manual intervention. The usgs, also known as the us geologic survey agency, has been working for 25 years on monitoring earthquakes and informing cities, states and emergency personnel when an earthquake is imminent. They were essential for integrating and analyzing placebased information, and were widely used by receationalists. Software to download usgs earthquake hazard program. For exact dates and live earthquakes please visit usgss global earthquake search page and realtime earthquake map or emscs realtime.
This is a continuously updated map of earthquake data for the last 90 days with a magnitude 3. This is a good option for manual scientific analysis. Open the product list by clicking results next to the product count. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. The map also includes some of the ruptures recorded by california division of mines and geology investigators may 2631, june 2627, and july 711. View the most recent events or search for past earthquakes. The portal is a searchable, web mapbased tool to facilitate public and partner access to information on over 200 subjects under usgs study in the nations largest state.
National earthquake hazards reduction program reauthorization act of 2018. If you are going to performing analysis on the landsat data, the level 1 geotiff data product is probably the one youre after, which will be the largest file size. San francisco bay area regional database bard usgs. With eq zapp, you can type in an address or use the location capability of your computer or mobile device to.
United states national seismic hazard maps usgs publications. Explore the geology beneath your feet using this 3rd generation mapping app from usgs. Pager cat is available for download by the seismol ogy and. The usgs and its partners monitor and report earthquakes, assess earthquake impacts and hazards. Seismic design maps from various design code reference documents are available below as pdf files. Shakemap is a product of the usgs earthquake hazards program in conjunction. Files are available under licenses specified on their description page. Models, codes and catalogs used to produce the national seismic hazard maps. Integrating usgs shakemap data based on the national seismic hazard map sources into hazus will ensure that scenarios are developed based on authoritative sources and provide consistency with the hazard maps widely used for building codes. The ruptures were mapped during usgs field investigations may 28 to june 4 and july 1419, 1980. You can search by location, theme, name, and other means to locate the area of interest. The database describes faults and associated folds in the united states that are believed to be sources of earthquakes, greater than magnitude 6, in the past 1,600,000 years, and is intended to be an. This service presents recent earthquake information from the usgs prompt assessment of global earthquakes for. The usgs provides a detailed interactive fault map that shows areas that are prone to earthquakes.
Clicking the map icon in the top right corner will load the map. The source of this data is the usgs earthquake hazards program. 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. The usgs earth explorer gives a quick and intuitive way to download free aerial and satellite imagery. Call usgs customer service at 1888askusgs 18882758747 or email us. Earthquake lists, maps and statistics largest earthquakes, significant events. Descriptions of these data types, what the data can be used for, and specific download instructions are all included on this web site. Digital geologic maps of the us states with consistent lithology, age, database structure, and format. This is the data source chooser and channel selector. Downloadable animations animation clips and other geoeducational items. About latest earthquakes version info clicking the list icon in the top right corner will load the earthquake list. About the quaternary faults and the national seismic hazard maps. Clicking the list icon in the top right corner will load the earthquake list. This collection was made possible by jared benedict of the libre map project and over 100 map liberators listed in the lower left.
Part or all of this report is presented in portable document format pdf. The quaternary faults and fold database contains information compiled by the earthquake hazards program of the u. These data have been reexamined which resulted in some revisions of epicenters and intensities as well as assignment of intensities to. Only earthquakes of magnitude 6 or above are included, unless they result in damage andor casualties, or are notable for other reasons. Methods used to create several styles for lithology or geologic time. Usgs earthquake hazards program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards.
Zoom in to view the shake intensity around significant earthquakes. These maps are best used with global positioning software or a map viewer. Find recent or historic earthquakes, lists, information on selected significant earthquakes, earthquake resources by state, or find webservices. Topographic maps are a signature product of the usgs. Use of this sop also ensures consistency in the presentation of results for different earthquake scenarios and. Abag earthquake maps and information information and maps about. Codes and catalogs used to produce the national seismic hazard maps. Maximum intensities are indicated on the modified mercalli intensity scale and are sourced from united states geological survey usgs shakemap data. After 125year legacy of topographic mapping 18842009, the usgs embarked on an innovative future of integrating historical maps with computergenerated maps from a national. California, nevada, arizona, washington, oregon, idaho, and utah. Over the preceding half century there have been more than 150 earthquakes of m 6 or larger within 250 km of the june 15, 2019 earthquake. Earthquake database for utah geological survey map 277.
Earthquake occurrences, earthquakes, hazards, maps and atlases, realtime monitoring and reporting. Seismicity map of the state of south carolina usgs. Usgs topo is a tile cache base map service that combines the most current data in the national map tnm, and other publicdomain data, into a multiscale topographic reference map. Click to go to the collection page for usgs drg maps of all 50 states.