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Earthquake occurrences
Time, location, severity, and mechanism of earthquake events, including the frequency and history of events in a given area.
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Earthquake occurrence maps (13 items)
Earthquake seismology (32 items)
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Results 1 - 39 of 39 listed by similarity [list alphabetically]
Earthquake Hazards Program [New Window]
Information on earthquake activity, earthquake science, and earthquake hazard reduction with links to news reports, products and services, educational resources for teachers, glossary, and current U.S. earthquake activity map.
Latest worldwide earthquakes [New Window]
Near real-time list of earthquakes recently occurring anywhere in the world.
Latest earthquakes in the USA - Past 7 days [New Window]
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.
Earthquake and fault data for Google Earth [New Window]
Downloadable data for earthquakes and faults for use with the Google Earth software
Earthquake "Top 10" Lists & Maps [New Window]
Lists of largest earthquakes in the world and in the United States, earthquake facts and statistics, deaths from earthquakes, earthquakes by magnitude, and significant earthquakes.
Historical earthquakes: lists and statistics [New Window]
Lists and maps of historic earthquakes by geographic area, magnitude, destructiveness, and other characteristics.
Earthquake search [New Window]
Search interface allowing searches of earthquake databases by various parameters including date, depth, intensity, area, and magnitude and download data in a variety of formats.
Earthquake information by region [New Window]
Information on earthquake activity, maps, lists of significant earthquakes, earthquake preparedness, and earthquake research arranged by region.
This dynamic planet: World map of volcanoes, earthquakes, impact craters, and plate tectonics [New Window]
Online world map with booklet (PDF format) giving an account of plate tectonics, volcanology, earthquake activity, and impact craters.
ShakeMap [New Window]
ShakeMap sites provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.
Earthquake: Did you feel it? Report it here. [New Window]
Place to provide information about ground shaking associated with significant earthquakes. A questionnaire to let us know what you felt following an earthquake in the United States or in other countries.
Earthquake hazard maps [New Window]
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.
Maps of recent earthquake activity in California-Nevada [New Window]
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.
Earthquake Hazards 101 [New Window]
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.
Earthquake Hazards 201 - Technical Information [New Window]
Provides detailed technical information on earthquake hazards in the form of frequently asked questions. Desisigned for the technical audience, including building and safety planners.
Earthquake Hazards Program - Central and Eastern U.S. [New Window]
Information on earthquakes in central and eastern United States with links to earthquake monitoring, published products, recent earthquake information, discussion group, and current projects.
Earthquake Hazards Program - Northern California [New Window]
Home page for Northern California Earthquake Hazards Program with links to earthquake news, real-time earthquake and shaking maps, earthquake probabilities, latest earthquake information, hazards and preparedness, research and special features.
Earthquake Hazards Program - Southern California [New Window]
Site for the Southern California Earthquake Hazards Program with links to latest quake information, real-time earthquake maps and shaking maps, general information, hazards and preparedness, research, networks, and earthquakes for kids.
Earthquake Hazards Program external research support [New Window]
Abstracts, program announcements and descriptions of projects funded by the external research program.
Natural Hazards - Earthquakes [New Window]
News and related information focusing on the importance of earthquake hazards in the United States.
United States National Strong-Motion Program (NSMP) [New Window]
National Strong-Motion Program home page with links to program news, recent events, and datasets of digitized accelerograms downloadable as PC (*.zip) and Unix (*.tar.z) files, data processing, stations, research, publications, and personnel.
Advanced National Seismic System: Products and services [New Window]
Maps, data, and services provided to help people understand earthquakes that have occurred.
Earthquake information by topic [New Window]
Information on earthquakes by topic including faults, tsunami, seismic waves, and plate tectonics.
Earthquake science explained--a series of ten short articles for students, teachers, and families [New Window]
Collects a series of short articles on earthquake science and related topics for students, teachers, and parents originally published as weekly features in The San Francisco Chronicle.
Earthquakes [New Window]
Online booklet on earthquake history, earthquake occurrences, measuring earthquakes, causes, relationship of volcanoes and earthquakes and earthquake prediction.
Earthquakes: Frequently Asked Questions [New Window]
Answers to a wide variety of questions (FAQs) about earthquakes, such as dictionary of terms, earthquake activity and probabilities, common myths, faults, plate tectonics, and earthquake measurement techniques.
General Earthquake Observation System (GEOS) [New Window]
Earthquake and aftershock data collected by the USGS General Earthquake Observation System project in Menlo Park, California.
Mauna Loa current activity [New Window]
Current activity of Mauna Loa Volcano with news, GPS data, electronic tiltmeter data, and current seismicity plus links to long term monitoring.
National Earthquake Information Center [New Window]
Information on world earthquake activity with links to facts and lists on large earthquakes, earthquake e-mail notification, hazards and preparedness, educational links, news and highlights and other seismic information.
Puget lowland paleoseismology [New Window]
Homepage for a paleoseismic field study of the geologic record of prehistoric earthquakes in the Puget Lowland region to evaluate seismic hazards with links to an atlas and reports on historic earthquakes in the Washington and Oregon area.
Recent earthquakes in Hawaii [New Window]
Interactive maps of earthquakes of last 2 hours, last 2 days, and last 2 weeks in Hawaii.
Severity of an earthquake [New Window]
Description of intensity and magnitude as indicators of the size of an earthquake and the levels of severity measured on the Richter Magnitude Scale and the Modified Mercalli Intensity Scale.
Tsunamis & earthquakes [New Window]
Homepage for tsunami research with links to information and images on basics, tsunamis in the Pacific Northwest, the 1998 Papua New Guinea tsunami, research on specific tsunamis, and animations in various formats.
Volcano Hazards Program, Long Valley Observatory [New Window]
Overview of the Long Valley Caldera with links to monitoring data including earthquakes and deformations, long-term outlook, volcano hazards in the area, USGS response plan, image gallery, monitoring and topical studies, publications and references.
PDF A volcano rekindled; the renewed eruption of Mount St. Helens, 2004-2006 [New Window]
Monitoring data of the Long Valley caldera and Mono-Inyo Craters volcanic chain, California [New Window]
Describes the monitoring effort and provides real-time data of the current restless activity of the caldera, including earthquakes, ground deformation, and release of volcanic gas and plus link to volcano monitoring techniques.
Real-time seismogram displays [New Window]
Description of seismograms and how they are produced by drum recorders and electronic instruments with real-time seismograms for Northern California and Long Valley, California and representative seismograms for types of earthquake activity.
Southern California Integrated GPS Network (SCIGN) [New Window]
Homepage for the Southern California Integrated GPS Network (SCIGN) Pasadena Field Office involved in operating GPS stations, data recording, and supplying of earthquake data. Links to GPS data analysis, photos, and technical information.
Volcano monitoring at Yellowstone National Park [New Window]
Describes volcano monitoring at Yellowstone National Park including an update of recent volcanic activity, real-time data, and link to volcano monitoring techniques information.


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