Gavin P Hayes
I am a seismologist and program coordinator with the USGS, based in in Golden, CO. I oversee the activities of the Earthquake Hazards, Geomagnetism, and Global Seismographic Network (GSN) Programs within the Natural Hazards Mission Area.
Gavin Hayes is the Senior Science Advisor for Earthquake and Geologic Hazards at USGS. In this position, he oversees the Earthquake Hazards, Geomagnetism, and Global Seismographic Network (GSN) Programs. Hayes joined the USGS in 2007, after receiving a doctoral degree in geosciences from Pennsylvania State University, and master’s and bachelor’s degrees from the University of Leeds in England. He was a post-doctoral scholar with the USGS National Earthquake Information Center before being hired permanently in 2012, and was a Research Geophysicist with that group from 2012-2020.
As part of the NEIC, Hayes helped to lead the USGS real time response to domestic and global earthquakes, rapidly characterizing the source properties of earthquakes, and interpreting events within their regional tectonic context. Hayes has over 80 publications in the areas of seismology, tectonics, geodesy and natural hazards, and in the applications of these subjects to earthquake safety, hazard and risk mitigation.
Education and Certifications
Gavin Hayes (Ph.D., Penn State, 2007)
Science and Products
Seismological and geodetic constraints on the 2011 Mw5.3 Trinidad, Colorado earthquake and induced deformation in the Raton Basin
Seismicity of the Earth 1900-2013 offshore British Columbia-southeastern Alaska and vicinity
Continuing megathrust earthquake potential in Chile after the 2014 Iquique earthquake
Seismicity of the Earth 1900-2012 Java and vicinity
Tsunami forecast by joint inversion of real-time tsunami waveforms and seismic of GPS data: application to the Tohoku 2011 tsunami
Seismological analyses of the 2010 March 11, Pichilemu, Chile Mw 7.0 and Mw 6.9 coastal intraplate earthquakes
Breaking the oceanic lithosphere of a subducting slab: the 2013 Khash, Iran earthquake
Seismicity of the Earth 1900-2013 East African Rift
Triggered aseismic slip adjacent to the 6 February 2013 Mw 8.0 Santa Cruz Islands megathrust earthquake
Seismicity of the Earth 1900-2012 Philippine Sea plate and vicinity
Tensor-guided fitting of subduction slab depths
Seismotectonic framework of the 2010 February 27 Mw 8.8 Maule, Chile earthquake sequence
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Seismological and geodetic constraints on the 2011 Mw5.3 Trinidad, Colorado earthquake and induced deformation in the Raton Basin
The Raton Basin of southern Colorado and northern New Mexico is an actively produced hydrocarbon basin that has experienced increased seismicity since 2001, including the August 2011 Mw5.3 Trinidad normal faulting event. Following the 2011 earthquake, regional seismic observations were used to relocate 21 events, including the 2011 main shock, two foreshocks, and 13 aftershocks. Additionally, inteAuthorsWilliam D. Barnhart, Harley M. Benz, Gavin P. Hayes, Justin L. Rubinstein, E. BergmanSeismicity of the Earth 1900-2013 offshore British Columbia-southeastern Alaska and vicinity
The tectonics of the Pacific margin of North America between Vancouver Island and south-central Alaska are dominated by the northwest motion of the Pacific plate with respect to the North America plate at a velocity of approximately 50 mm/yr. In the south of this mapped region, convergence between the northern extent of the Juan de Fuca plate (also known as the Explorer microplate) and North AmeriAuthorsGavin P. Hayes, Gregory M. Smoczyk, Jonathan G. Ooms, Daniel E. McNamara, Kevin P. Furlong, Harley M. Benz, Antonio H. VillaseñorContinuing megathrust earthquake potential in Chile after the 2014 Iquique earthquake
The seismic gap theory identifies regions of elevated hazard based on a lack of recent seismicity in comparison with other portions of a fault. It has successfully explained past earthquakes (see, for example, ref. 2) and is useful for qualitatively describing where large earthquakes might occur. A large earthquake had been expected in the subduction zone adjacent to northern Chile which had not rAuthorsGavin P. Hayes, Matthew W. Herman, William D. Barnhart, Kevin P. Furlong, Sebástian Riquelme, Harley M. Benz, Eric Bergman, Sergio Barrientos, Paul S. Earle, Sergey SamsonovSeismicity of the Earth 1900-2012 Java and vicinity
The Sunda convergent margin extends for 5,600 km from the Bay of Bengal and the Andaman Sea, both located northwest of the map area, towards the island of Sumba in the southeast, and then continues eastward as the Banda arc system. This tectonically active margin is a result of the India and Australia plates converging with and subducting beneath the Sunda plate at a rate of approximately 50 to 70AuthorsEric S. Jones, Gavin P. Hayes, Melissa Bernardino, Fransiska K. Dannemann, Kevin P. Furlong, Harley M. Benz, Antonio VillaseñorTsunami forecast by joint inversion of real-time tsunami waveforms and seismic of GPS data: application to the Tohoku 2011 tsunami
Correctly characterizing tsunami source generation is the most critical component of modern tsunami forecasting. Although difficult to quantify directly, a tsunami source can be modeled via different methods using a variety of measurements from deep-ocean tsunameters, seismometers, GPS, and other advanced instruments, some of which in or near real time. Here we assess the performance of differentAuthorsWei Yong, Andrew V. Newman, Gavin P. Hayes, Vasily V. Titov, Liujuan TangSeismological analyses of the 2010 March 11, Pichilemu, Chile Mw 7.0 and Mw 6.9 coastal intraplate earthquakes
On 2010 March 11, a sequence of large, shallow continental crust earthquakes shook central Chile. Two normal faulting events with magnitudes around Mw 7.0 and Mw 6.9 occurred just 15 min apart, located near the town of Pichilemu. These kinds of large intraplate, inland crustal earthquakes are rare above the Chilean subduction zone, and it is important to better understand their relationship with tAuthorsJavier A. Ruiz, Gavin P. Hayes, Daniel Carrizo, Hiroo Kanamori, Anne Socquet, Diana ComteBreaking the oceanic lithosphere of a subducting slab: the 2013 Khash, Iran earthquake
[1] Large intermediate depth, intraslab normal faulting earthquakes are a common, dangerous, but poorly understood phenomenon in subduction zones owing to a paucity of near field geophysical observations. Seismological and high quality geodetic observations of the 2013 Mw7.7 Khash, Iran earthquake reveal that at least half of the oceanic lithosphere, including the mantle and entire crust, rupturedAuthorsWilliam D. Barnhart, Gavin P. Hayes, S. Samsonov, E. Fielding, L. SeidmanSeismicity of the Earth 1900-2013 East African Rift
The East African Rift system (EARS) is a 3,000-km-long Cenozoic age continental rift extending from the Afar triple junction, between the horn of Africa and the Middle East, to western Mozambique. Sectors of active extension occur from the Indian Ocean, west to Botswana and the Democratic Republic of the Congo (DRC). It is the only rift system in the world that is active on a continent-wide scale,AuthorsGavin P. Hayes, Eric S. Jones, Timothy J. Stadler, William D. Barnhart, Daniel E. McNamara, Harley M. Benz, Kevin P. Furlong, Antonio VillaseñorTriggered aseismic slip adjacent to the 6 February 2013 Mw 8.0 Santa Cruz Islands megathrust earthquake
Aseismic or slow slip events have been observed in many subduction zones, but whether they affect the occurrence of earthquakes or result from stress changes caused by nearby events is unclear. In an area lacking direct geodetic observations, inferences can be made from seismological studies of co-seismic slip, associated stress changes and the spatiotemporal nature of aftershocks. These observatiAuthorsGavin P. Hayes, Kevin P. Furlong, Harley M. Benz, Matthew W. HermanSeismicity of the Earth 1900-2012 Philippine Sea plate and vicinity
The complex tectonics surrounding the Philippine Islands are dominated by the interactions of the Pacific, Sunda, and Eurasia plates with the Philippine Sea plate (PSP). The latter is unique because it is almost exclusively surrounded by zones of plate convergence. At its eastern and southeastern edges, the Pacific plate is subducted beneath the PSP at the Izu-Bonin, Mariana, and Yap trenches. HeAuthorsGregory M. Smoczyk, Gavin P. Hayes, Michael W. Hamburger, Harley M. Benz, Antonio H. Villaseñor, Kevin P. FurlongTensor-guided fitting of subduction slab depths
Geophysical measurements are often acquired at scattered locations in space. Therefore, interpolating or fitting the sparsely sampled data as a uniform function of space (a procedure commonly known as gridding) is a ubiquitous problem in geophysics. Most gridding methods require a model of spatial correlation for data. This spatial correlation model can often be inferred from some sort of secondarAuthorsFarhad Bazargani, Gavin P. HayesSeismotectonic framework of the 2010 February 27 Mw 8.8 Maule, Chile earthquake sequence
After the 2010 Mw 8.8 Maule earthquake, an international collaboration involving teams and instruments from Chile, the US, the UK, France and Germany established the International Maule Aftershock Deployment temporary network over the source region of the event to facilitate detailed, open-access studies of the aftershock sequence. Using data from the first 9-months of this deployment, we have anaAuthorsGavin P. Hayes, Eric Bergman, Kendra J. Johnson, Harley M. Benz, Lucy Brown, Anne S. Meltzer - Software
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