Publications
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Reexamination of the magnitudes for the 1906 and 1922 Chilean earthquakes using Japanese tsunami amplitudes: Implications for source depth constraints
Far-field tsunami records from the Japanese tide gauge network allow the reexamination of the moment magnitudes (Mw) for the 1906 and 1922 Chilean earthquakes, which to date rely on limited information mainly from seismological observations alone. Tide gauges along the Japanese coast provide extensive records of tsunamis triggered by six great (Mw >8) Chilean earthquakes with instrumentally determ
Authors
M. Carvajal, M. Cisternas, A. Gubler, P. A. Catalan, P. Winckler, Robert L. Wesson
The history of late holocene surface-faulting earthquakes on the central segments of the Wasatch fault zone, Utah
The Wasatch fault (WFZ)—Utah’s longest and most active normal fault—forms a prominent eastern boundary to the Basin and Range Province in northern Utah. To provide paleoseismic data for a Wasatch Front regional earthquake forecast, we synthesized paleoseismic data to define the timing and displacements of late Holocene surface-faulting earthquakes on the central five segments of the WFZ. Our analy
Authors
Christopher DuRoss, Stephen Personius, Susan S Olig, Anthony J. Crone, Michael D. Hylland, William R. Lund, David P. Schwartz
Imaging of earthquake faults using small UAVs as a pathfinder for air and space observations
Large earthquakes cause billions of dollars in damage and extensive loss of life and property. Geodetic and topographic imaging provide measurements of transient and long-term crustal deformation needed to monitor fault zones and understand earthquakes. Earthquake-induced strain and rupture characteristics are expressed in topographic features imprinted on the landscapes of fault zones. Small UAVs
Authors
Andrea Donnellan, Joseph Green, Adnan Ansar, Joseph Aletky, Margaret Glasscoe, Yehuda Ben-Zion, J. Ramón Arrowsmith, Stephen B. DeLong
Evaluation of performance of Taiwan housing stock and schools during the Mw6.4 Kaohsiung/Meinong Earthquake of February 6, 2016
The recent Kaohsiung Meinong Earthquake which occurred on February 6, 2016 affected several categories of building stock for which risk identification programs were previously developed by NCREE. A typical building type in the city of Tainan is a mixed-use three-to-five-story structure. The ground floor of this typical structure is an open-front commercial or manufacturing space, which is laterall
Authors
Ramon Gilsanz, Cathy Huang, Jessica Mandrick, Joe Mugford, Shyh-Jiann Hwang, Tsung-Chih Chiou, Mehmet Çelebi
Building damage survey and microtremor measurements for the source region of the 2015 Gorkha, Nepal, earthquake
We performed a damage survey of buildings and carried out microtremor observations in the source region of the 2015 Gorkha earthquake. Our survey area spans the Kathmandu valley and areas to the east and north of the valley. Damage of buildings in the Kathmandu valley was localized, and the percentage of the totally collapsed buildings was less than 5 %. East of the Kathmandu valley, especially in
Authors
Masumi Yamada, Takumi Hayashida, James Mori, Walter Mooney
Seismic‐hazard forecast for 2016 including induced and natural earthquakes in the central and eastern United States
The U.S. Geological Survey (USGS) has produced a one‐year (2016) probabilistic seismic‐hazard assessment for the central and eastern United States (CEUS) that includes contributions from both induced and natural earthquakes that are constructed with probabilistic methods using alternative data and inputs. This hazard assessment builds on our 2016 final model (Petersen et al., 2016) by adding sensi
Authors
Mark D. Petersen, Charles Mueller, Morgan P. Moschetti, Susan M. Hoover, Andrea L. Llenos, William L. Ellsworth, Andrew J. Michael, Justin L. Rubinstein, Arthur F. McGarr, Kenneth S. Rukstales
Using structural damage statistics to derive macroseismic intensity within the Kathmandu valley for the 2015 M7.8 Gorkha, Nepal earthquake
We make and analyze structural damage observations from within the Kathmandu valley following the 2015 M7.8 Gorkha, Nepal earthquake to derive macroseismic intensities at several locations including some located near ground motion recording sites. The macroseismic intensity estimates supplement the limited strong ground motion data in order to characterize the damage statistics. This augmentation
Authors
Sean McGowan, Kishor S. Jaiswal, David J. Wald
Buildings (EERI Earthquake Reconnaissance Team Report: M7.8 Gorkha, Nepal Earthquake on April 25, 2015 and its Aftershocks)
The most common building typologies in Nepal are reinforced concrete (RC) frame buildings with masonry infill walls, unreinforced masonry (URM) bearing wall buildings, and wood frame buildings (Figure 5-1). The RC frames with masonry infills are commonly constructed in urban and semi-urban areas. Most of these buildings are three to five stories high, and most privately owned buildings are non-eng
Authors
Hemant Kaushik, John Bevington, Kishor S. Jaiswal, Bret Lizundia, Surya Shrestha
2016 Eastern Section SSA Annual Meeting Report
Report on the Eastern Section Seismological Society of America Meeting.
Authors
Thomas L. Pratt, Christine A. Goulet, Oliver S. Boyd
Statistical tests of simple earthquake cycle models
A central goal of observing and modeling the earthquake cycle is to forecast when a particular fault may generate an earthquake: a fault late in its earthquake cycle may be more likely to generate an earthquake than a fault early in its earthquake cycle. Models that can explain geodetic observations throughout the entire earthquake cycle may be required to gain a more complete understanding of rel
Authors
Phoebe M. R. Devries, Eileen Evans
Origins of a national seismic system in the United States
This historical review traces the origins of the current national seismic system in the United States, a cooperative effort that unifies national, regional, and local‐scale seismic monitoring within the structure of the Advanced National Seismic System (ANSS). The review covers (1) the history and technological evolution of U.S. seismic networks leading up to the 1990s, (2) factors that made the 1
Authors
John R. Filson, Walter J. Arabasz
Late Quaternary offset of alluvial fan surfaces along the Central Sierra Madre Fault, southern California
The Sierra Madre Fault is a reverse fault system along the southern flank of the San Gabriel Mountains near Los Angeles, California. This study focuses on the Central Sierra Madre Fault (CSMF) in an effort to provide numeric dating on surfaces with ages previously estimated from soil development alone. We have refined previous geomorphic mapping conducted in the western portion of the CSMF near Pa
Authors
Reed J. Burgette, Austin Hanson, Katherine M. Scharer, Nikolas Midttun