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. Population increase, habitation spread, and advances in earthquake detection technology all contribute to higher earthquake numbers being recorded over time. Home usgs earthquakes are you on an earthquake fault. National earthquake hazards reduction program reauthorization act of 2018. Cat was largely automated but required manual intervention. The usgs and its partners monitor and report earthquakes, assess earthquake impacts and hazards. 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.
Earthquake lists, maps and statistics largest earthquakes, significant events. This service presents recent earthquake information from the usgs prompt assessment of global earthquakes for. The data from these maps can be read more easily using. Digital geologic maps of the us states with consistent lithology, age, database structure, and format. Dyfi collects information from people who felt an earthquake and creates maps that show what. Maximum intensities are indicated on the modified mercalli intensity scale and are sourced from united states geological survey usgs shakemap data. About latest earthquakes version info clicking the list icon in the top right corner will load the earthquake list.
Part or all of this report is presented in portable document format pdf. The usgs has comprehensive metadata on this dataset. 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. Volcano hazards program hawaiian volcano observatory. To protect your order during transit, products of different publication types and sizes may be shipped in separate packages.
These data have been reexamined which resulted in some revisions of epicenters and intensities as well as assignment of intensities to. Click to go to the collection page for usgs drg maps of all 50 states. Shakemaps provide nearrealtime maps of ground motion and shaking intensity. You can search by location, theme, name, and other means to locate the area of interest. This is the data source chooser and channel selector.
All structured data from the file and property namespaces is available under the creative commons cc0 license. Topographic maps are a signature product of the usgs. Downloadable animations animation clips and other geoeducational items. 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.
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. With eq zapp, you can type in an address or use the location capability of your computer or mobile device to. These maps are best used with global positioning software or a map viewer. Web services for realtime and catalog earthquakes, hazard maps, slabs, and. Urban corridor building the foundation for geologichazard mapping pdf. Clicking the list icon in the top right corner will load the earthquake list. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. The quaternary faults and fold database contains information compiled by the earthquake hazards program of the u. About the quaternary faults and the national seismic hazard maps. Earthquake hazard map showing peak ground accelerations having a 2 percent probability of being exceeded in. Southern california earthquake center scec data center special data sets. For exact dates and live earthquakes please visit usgss global earthquake search page and realtime earthquake map or emscs realtime.
Descriptions of these data types, what the data can be used for, and specific download instructions are all included on this web site. These files were created using highresolution scans and average 1017 megabytes in size. 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. Only earthquakes of magnitude 6 or above are included, unless they result in damage andor casualties, or are notable for other reasons. California, nevada, arizona, washington, oregon, idaho, and utah. Scenario earthquakes usgs earthquake hazard program. Clicking the map icon in the top right corner will load the map. Seismicity map of the state of south carolina usgs. 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. The map is based on the most recent usgs models for the conterminous u. Data themes included are boundaries, geographic names, transportation, contours, hydrography, land cover, shaded relief, and bathymetry. Open the product list by clicking results next to the product count. United states national seismic hazard maps usgs publications. 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.
Files are available under licenses specified on their description page. Usgs earthquake hazards program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards. This is a good option for manual scientific analysis. This is a continuously updated map of earthquake data for the last 90 days with a magnitude 3. Earthquake database for utah geological survey map 277. Zoom in to view the shake intensity around significant earthquakes. The tectonic earthquake data are primarily from a uniform moment magnitude earthquake catalog developed for utah and its. Users can display the footprint and thumbnail of one or more products, view metadata, directly download the file or add to a cart. Earthquake hazard map showing peak ground accelerations having a 2 percent probability of being exceeded in 50 years, for a firm rock site. Clicking the about icon in the top right corner loads this page.
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. View the most recent events or search for past earthquakes. Software to download usgs earthquake hazard program. Preliminary earthquake hazard map of afghanistan usgs. The ruptures were mapped during usgs field investigations may 28 to june 4 and july 1419, 1980. This map shows surface ruptures associated with the m 6 mammoth lakes earthquakes of may 2527, 1980 sherburne, 1980. The anss comprehensive catalog comcat contains earthquake source parameters e. Abag earthquake maps and information information and maps about. Through vns, the hawaiian volcano observatory issues. Clicking the options icon in the top right corner lets you change which earthquakes are displayed, and many other map and list options. After 125year legacy of topographic mapping 18842009, the usgs embarked on an innovative future of integrating historical maps with computergenerated maps from a national. 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. 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. Explore the geology beneath your feet using this 3rd generation mapping app from usgs.
Usgs publication technical manual, users guide, and software guide. Pager cat is available for download by the seismol ogy and. Click the home button to zoom the map out to its original zoom and position. Earthquake occurrences, earthquakes, hazards, maps and atlases, realtime monitoring and reporting. The seismic events depicted on the map include both tectonic earthquakes and mininginduced seismicity mis associated with underground coal mining in eastcentral utah. Find recent or historic earthquakes, lists, information on selected significant earthquakes, earthquake resources by state, or find webservices. Use of this sop also ensures consistency in the presentation of results for different earthquake scenarios and. Geological survey national seismic hazard maps for the united states are based on. The source of this data is the usgs earthquake hazards program. Nehrp national earthquake hazards reduction program a. The usgss live map of earthquake activity around the world. Preliminary integrated geologic map databases for the united states western states. They were essential for integrating and analyzing placebased information, and were widely used by receationalists. Shipping times are estimations after the package has been shipped from the usgs warehouse.
This collection was made possible by jared benedict of the libre map project and over 100 map liberators listed in the lower left. The data was downloaded from the faults and folds database website click to access. Models, codes and catalogs used to produce the national seismic hazard maps. Interactive fault mapinteractive quaternary faults map. Usgs science in alaska portal map alaska science center. A global display of human trafficking incidents and news. Global incident map displaying terrorist acts, suspicious activity, and general terrorism news a global display of human trafficking incidents and news close legend. If a product has a downloadable map, you will see a view pdf button beside the product in the product pane. San francisco bay area regional database bard usgs. The usgs compiles online access to waterresources data collected at approximately 1. 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. Download free usgs topographic map quadrangles in georeferenced pdf geopdf format by clicking on map locator on the usgs store web site. Usgs drg maps for the state of california are available here. The usgs earth explorer gives a quick and intuitive way to download free aerial and satellite imagery.
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. Shakemap is a product of the usgs earthquake hazards program in conjunction. The usgs provides a detailed interactive fault map that shows areas that are prone to earthquakes. Codes and catalogs used to produce the national seismic hazard maps. Seismic design maps from various design code reference documents are available below as pdf files. 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.