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Geophysical maps
Information resources about both Maps and atlases and Geophysics

Results 1 - 20 of 30 listed alphabetically [list by similarity]
Earthquake hazard maps [More info]
National seismic hazards maps, global seismic hazards map, predictive intensity maps, shaking hazards maps and probabilities for California, and a variety of fact sheets on earthquakes.
FAQs - National Seismic Hazard Maps [More info]
Provides detailed technical information on earthquake hazards in the form of frequently asked questions. Designed for the technical audience, including building and safety planners.
Geomagnetic charts [More info]
Links to charts of the Earth's magnetic field in different projections showing declination, inclination, and total, horizontal and vertical intensities plus references and note on limitations.
Maps of recent earthquake activity in California-Nevada [More info]
Near-real-time maps of location, ground motion, and shaking intensity of earthquakes in California and Nevada for the past hour, past day, and past week and links to other earthquake information.
Teacher's guide to the San Francisco Bay area geophysics maps (U.S. Geological Survey GP-1006 and GP-1007) [More info]
This publication (Open-File Report 95-479) is a teacher's guide to two U.S. Geological Survey maps that show gravity and magnetic data in contour form superimposed on a LANDSAT satellite image of the San Francisco Bay area.
Washington aeromagnetic maps and data [More info]
Colored geomagnetic and gravity maps and related data and graphical plots for the state of Washington.
The sea-floor mapping facility at the U.S. Geological Survey Woods Hole Field Center, Woods Hole, Massachusetts [More info]
Fact sheet on the sea-floor mapping facility at Woods Hole describing state-of-the-art technology used to produce accurate geologic maps of the sea floor and reporting on its data-acquisition, data-processing, and archiving capabilities.
Earthquake Hazards 101 [More info]
Provides links to explanatory materials for the layperson, including information on concepts behind earthquake maps, the use of probability, what the maps mean, how they are made, and answers to frequently asked questions.
Joshua Tree National Park geology: on shaky ground [More info]
Description of earthquake that was felt in Joshua Tree region (1999) and links to earthquake summary, shaded relief map, aerial photos of the rupture zone, shaking intensity maps, damage reports, and seismograph network map.
Seismic properties of North America and the surrounding ocean basins [More info]
Presentation of maps of the seismic properties of North America and the surrounding ocean basins compiled from seismic refraction and reflection data, earthquake studies, and surface wave analyses showing crustal thickness and geologic provinces.
Studies in Long Island Sound: geology, contaminants, and environmental issues [More info]
Description of Long Island Sound projects and links to research topics, data, publications, photos, and technology on sediment transport, sea floor mapping, contaminant sampling, sediment texture, and environmental issues.
PDF This dynamic planet: World map of volcanoes, earthquakes, impact craters, and plate tectonics [More info]
Online world map with booklet (PDF format) giving an account of plate tectonics, volcanology, earthquake activity, and impact craters.
PDF Understanding earthquake hazards in urban areas - Evansville Area Earthquake Hazards Mapping Project [More info]
Evansville, Indiana, is near the Wabash Valley and New Madrid seismic zones and has experienced minor damage from earthquakes in the past 200 years. This fact sheet describes three types of USGS earthquake hazard maps for Evansville and surrounding areas.
Advanced National Seismic System: Products and services [More info]
Maps, data, and services provided to help people understand earthquakes that have occurred.
Earthquake preparedness information [More info]
Links to web sites, publications, and fact sheets on earthquake preparedness.
Geomagnetic models [More info]
Description of magnetic models with link to on-line calculation, freeware calculator (DOS and Windows), descriptions of model types, and references.
Geophysical products [More info]
Links to products of magnetic, gravity, magnetotelluric, and multi-discipline reports and surveys of regions in the U.S. and Antarctica plus geophysical software tools. Some products are in PDF format.
Geopubs: on-line geologic publications of the western United States [More info]
Access to USGS on-line geologic publications of the western United States categorized by state, region USGS series, geologic maps, and software with links to state geologic survey publications.
Latest earthquakes in the USA - Past 7 days [More info]
Real-time earthquake maps of the conterminous U.S., Alaska, Hawaii, and Puerto Rico displaying magnitude and location of earthquake activity in the past hour, past day, and past week.
Long Island Sound sidescan sonar mosaics [More info]
Sidescan sonar image, surficial geologic interpretation, and bathymetry of the Long Island Sound sea floor.
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