Do solar flares or magnetic storms (space weather) cause earthquakes?
Solar flares and magnetic storms belong to a set of phenomena known collectively as "space weather". Technological systems and the activities of modern civilization can be affected by changing space-weather conditions. However, it has never been demonstrated that there is a causal relationship between space weather and earthquakes. Indeed, over the course of the Sun's 11-year variable cycle, the occurrence of flares and magnetic storms waxes and wanes, but earthquakes occur without any such 11-year variability. Since earthquakes are driven by processes in the Earth's interior, they would occur even if solar flares and magnetic storms were to somehow cease occurring.
Learn more: Geomagnetism and Earthquake Predication
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Real-time geomagnetic monitoring for space weather-related applications: Opportunities and challenges
An examination is made of opportunities and challenges for enhancing global, real-time geomagnetic monitoring that would be beneficial for a variety of operational projects. This enhancement in geomagnetic monitoring can be attained by expanding the geographic distribution of magnetometer stations, improving the quality of magnetometer data,...
Love, Jeffrey J.; Finn, Carol Extreme geomagnetic storms: Probabilistic forecasts and their uncertainties
Extreme space weather events are low-frequency, high-risk phenomena. Estimating their rates of occurrence, as well as their associated uncertainties, is difficult. In this study, we derive statistical estimates and uncertainties for the occurrence rate of an extreme geomagnetic storm on the scale of the Carrington event (or worse) occurring within...
Riley, Pete; Love, Jeffrey J. The geomagnetic blitz of September 1941
Seventy-five years ago, on 18–19 September 1941, the Earth experienced a great magnetic storm, one of the most intense ever recorded. It arrived at a poignant moment in history, when radio and electrical technology was emerging as a central part of daily life and when much of the world was embroiled in World War II, which the United States...
Love, Jeffrey J.; Coisson, Pierdavide
Natural Hazards Science at the U.S. Geological Survey
The mission of the USGS in natural hazards is to develop and apply hazard science to help protect the safety, security, and economic well-being of the Nation. The costs and consequences of natural hazards can be enormous, and each year more people and infrastructure are at risk. The USGS conducts hazard research and works closely with stakeholders...
Perry, Suzanne C.; Jones, Lucile M.; Holmes, Robert R. Insignificant solar-terrestrial triggering of earthquakes
We examine the claim that solar-terrestrial interaction, as measured by sunspots, solar wind velocity, and geomagnetic activity, might play a role in triggering earthquakes. We count the number of earthquakes having magnitudes that exceed chosen thresholds in calendar years, months, and days, and we order these counts by the corresponding rank of...
Love, Jeffrey J.; Thomas, Jeremy N. The USGS Geomagnetism Program and its role in Space-Weather Monitoring
Magnetic storms result from the dynamic interaction of the solar wind with the coupled magnetospheric-ionospheric system. Large storms represent a potential hazard for the activities and infrastructure of a modern, technologically based society [Baker et al., 2008]; they can cause the loss of radio communications, reduce the accuracy of global...
Love, Jeffrey J.; Finn, Carol A.
The USGS Earthquake Hazards Program - investing in a safer future
Filson, John R.; McCarthy, Jill; Ellsworth, William L.; Zoback, Mary Lou; Stauffer, Peter H.; Hendley, James W.
On the watch for geomagnetic storms
Geomagnetic storms, induced by solar activity, pose significant hazards to satellites, electrical power distribution systems, radio communications, navigation, and geophysical surveys. Strong storms can expose astronauts and crews of high-flying aircraft to dangerous levels of radiation. Economic losses from recent geomagnetic storms have run into...
Green, Arthur W.; Brown, William M.
Geomagnetism applications
The social uses of geomagnetism include the physics of the space environment, satellite damage, pipeline corrosion, electric power-grid failure, communication interference, global positioning disruption, mineral-resource detection, interpretation of the Earth's formation and structure, navigation, weather, and magnetoreception in organisms. The...
Campbell, Wallace H. Hazards of geomagnetic storms
Geomagnetic storms are large and sometimes rapid fluctuations in the Earth's magnetic field that are related to disturbances on the Sun's surface. Although it is not widely recognized, these transient magnetic disturbances can be a significant hazard to people and property. Many of us know that the intensity of the auroral lights increases during...
Herzog, D.C. Understand earthquake hazards
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Spall, Henry
New 3D Measurements Improve Understanding of Geomagnetic Storm Hazards
Measurements of the three-dimensional structure of the earth, as opposed to the one-dimensional models typically used, can help scientists more accurately determine which areas of the United States are most vulnerable to blackouts during hazardous geomagnetic storms.
Preparing the Nation for Intense Space Weather
While major geomagnetic storms are rare, with only a few recorded per century, there is significant potential for large-scale impacts when they do occur. Extreme space weather can be viewed as hazards for the economy and national security.
Mapping a Space-Weather Menace to Electric-Power Grids
New strides have been made toward quantifying how geomagnetic storms can interfere with the nation’s electric-power grid systems.
Getting Down to Earth with Space Hazards
Magnetic storms can interfere with the operation of electric power grids and damage grid infrastructure. They can also disrupt directional drilling for oil and gas, radio communications, communication satellites and GPS systems.
Giant Sunspot Erupts on October 24, 2014
Active Region 12192 on the sun erupted with a strong flare on October 24, 2014, prominent in the bright light of this image captured by NASA's Solar Dynamics Observatory. This image shows extreme ultraviolet light that highlights the hot solar material in the sun's atmosphere. Credit: NASA
Aurora
The National Aeronautics and Space Administration's VISIONS—VISualizing Ion Outflow via Neutral atom imaging during a Substorm—sounding rocket mission is studying what makes auroras and how they affect Earth’s atmosphere. The VISIONS rocket was launched at night in Poker Flats, Alaska, in February 2013. Credit: Joshua Strang, U.S. Air Force
“Aurora Borealis,”
“Aurora Borealis,” Frederic Edwin Church, 1865. Aurora silently illuminates a barren and frozen world of mountains, a schooner locked in sea ice, and a man with a dog-drawn sled in this richly symbolic landscape painting. Credit: Smithsonian American Art Museum, Washington, DC/Art Resource, NY
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Deadhorse Geomagnetic Observatory
GOES antenna at Deadhorse geomagnetic observatory.
SABER aurora - geomagnetic storm events
Three perspectives on the events that create geomagnetic storms: A storm from the Sun, a global perspective of an auroral event as seen from space and aurora as seen from Earth. Researchers at NASA's Langley Research Center are using the Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) satellite to take new measurements of the E-region of the
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Sitka Geomagnetic Observatory
Magnetic Observations being made by F. P. Ulrich at Sitka in 1929.