Peter M Powers, PhD

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December 20, 2018

Ground motions from induced earthquakes in Oklahoma and Kansas Ground motions from induced earthquakes in Oklahoma and Kansas

Improved predictions of earthquake ground motions are critical to advancing seismic hazard analyses and earthquake response. The high seismicity rate from 2009 to 2016 in Oklahoma and Kansas provides an extensive data set for examining the ground motions from these events. We evaluate the ability of three suites of ground‐motion prediction equations (GMPEs)—appropriate for modeling...

Authors

Morgan P. Moschetti, Eric M. Thompson, Peter M. Powers, Susan M. Hoover, Daniel E. McNamara

By

Natural Hazards Mission Area, Earthquake Hazards Program, Geologic Hazards Science Center

September 11, 2018

Additional period and site class maps for the 2014 National Seismic Hazard Model for the conterminous United States Additional period and site class maps for the 2014 National Seismic Hazard Model for the conterminous United States

The 2014 update of the U.S. Geological Survey (USGS) National Seismic Hazard Model (NSHM) for the conterminous United States (2014 NSHM; Petersen and others, 2014, 2015) included probabilistic ground motion maps for 2 percent and 10 percent probabilities of exceedance in 50 years, derived from seismic hazard curves for peak ground acceleration (PGA) and 0.2 and 1.0 second spectral...

Authors

Allison Shumway, Mark D. Petersen, Peter M. Powers, Sanaz Rezaeian

By

Natural Hazards Mission Area, Earthquake Hazards Program, Geologic Hazards Science Center

July 16, 2018

The science, engineering applications, and policy implications of simulation-based PSHA The science, engineering applications, and policy implications of simulation-based PSHA

We summarize scientific methods for developing probabilistic seismic hazard assessments from 3-D earthquake ground motion simulations, describe current use of simulated ground motions for engineering applications, and discuss on-going efforts to incorporate these effects in the U.S. national seismic hazard model. The 3-D simulations provide important, additional information about...

Authors

Morgan P. Moschetti, Sandra P. Chang, C.B Crouse, Arthur D. Frankel, Robert Graves, H Puangnak, Nico Luco, Christine A. Goulet, Sanaz Rezaeian, Allison Shumway, Peter M. Powers, Mark D. Petersen, Scott Callaghan, T.H. Jordan, Kevin R. Milner

By

Natural Hazards Mission Area, Earthquake Hazards Program, Earthquake Science Center, Geologic Hazards Science Center

April 1, 2018

2018 one‐year seismic hazard forecast for the central and eastern United States from induced and natural earthquakes 2018 one‐year seismic hazard forecast for the central and eastern United States from induced and natural earthquakes

This article describes the U.S. Geological Survey (USGS) 2018 one‐year probabilistic seismic hazard forecast for the central and eastern United States from induced and natural earthquakes. For consistency, the updated 2018 forecast is developed using the same probabilistic seismicity‐based methodology as applied in the two previous forecasts. Rates of earthquakes across the United States...

Authors

Mark D. Petersen, Charles Mueller, Morgan P. Moschetti, Susan M. Hoover, Kenneth S. Rukstales, Daniel E. McNamara, Robert A. Williams, Allison Shumway, Peter M. Powers, Paul S. Earle, Andrea L. Llenos, Andrew J. Michael, Justin L. Rubinstein, Jack Norbeck, Elizabeth S. Cochran

By

Natural Hazards Mission Area, Earthquake Hazards Program, Geologic Hazards Science Center

August 28, 2017

A synoptic view of the Third Uniform California Earthquake Rupture Forecast (UCERF3) A synoptic view of the Third Uniform California Earthquake Rupture Forecast (UCERF3)

Probabilistic forecasting of earthquake‐producing fault ruptures informs all major decisions aimed at reducing seismic risk and improving earthquake resilience. Earthquake forecasting models rely on two scales of hazard evolution: long‐term (decades to centuries) probabilities of fault rupture, constrained by stress renewal statistics, and short‐term (hours to years) probabilities of...

Authors

Edward H. Field, Thomas H. Jordan, Morgan T. Page, Kevin R. Milner, Bruce E. Shaw, Timothy E. Dawson, Glenn Biasi, Thomas E. Parsons, Jeanne L. Hardebeck, Andrew J. Michael, Ray J. Weldon, Peter M. Powers, Kaj M. Johnson, Yuehua Zeng, Peter Bird, Karen Felzer, Nicholas van der Elst, Christopher Madden, Ramon Arrowsmith, Maximillan J. Werner, Wayne R. Thatcher

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Natural Hazards Mission Area, Earthquake Hazards Program, Geologic Hazards Science Center, John Wesley Powell Center for Analysis and Synthesis

December 1, 2015

Seismic source characterization for the 2014 update of the U.S. National Seismic Hazard Model Seismic source characterization for the 2014 update of the U.S. National Seismic Hazard Model

We present the updated seismic source characterization (SSC) for the 2014 update of the National Seismic Hazard Model (NSHM) for the conterminous United States. Construction of the seismic source models employs the methodology that was developed for the 1996 NSHM but includes new and updated data, data types, source models, and source parameters that reflect the current state of...

Authors

Morgan P. Moschetti, Peter M. Powers, Mark D. Petersen, Oliver S. Boyd, Rui Chen, Edward H. Field, Arthur D. Frankel, Kathleen Haller, Stephen Harmsen, Charles S. Mueller, Russell Wheeler, Yuehua Zeng

By

Natural Hazards Mission Area, Earthquake Hazards Program, Geologic Hazards Science Center

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January 16, 2024

New USGS map shows where damaging earthquakes are most likely to occur in US New USGS map shows where damaging earthquakes are most likely to occur in US

USGS scientists and our partners recently revealed the latest National Seismic Hazard Model, showing that nearly 75% of the United States could experience a damaging earthquake, emphasizing seismic hazards span a significant part of the country.

By

Natural Hazards Mission Area, Earthquake Hazards Program, Earthquake Science Center, Geologic Hazards Science Center, Communications and Publishing

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