Results 21 to 30 of about 28,952 (217)

Earthquake modelling at the country level using aggregated spatio-temporal point processes [PDF]

, 2011
The goal of this paper is to derive a hazard map for earthquake occurrences in Pakistan from a catalogue that contains spatial coordinates of shallow earthquakes of magnitude 4.5 or larger aggregated over calendar years.
Lieshout, M.N.M., Stein, A.
core   +7 more sources

Mainshock-Integrated Aftershock Vulnerability Assessment of Bridge Structures

Applied Sciences, 2020
Seismic fragility analysis is often conducted to quantify the vulnerability of civil structures under earthquake excitation. In recent years, besides mainshocks, strong aftershocks have been often witnessed to induce structural damage to engineered ...
Xuan Guo, Zheyu Zhang, ZhiQiang Chen
doaj   +1 more source

Mw ≥ 5 aftershocks of the 2008 Sichuan earthquake: Analysis of temporal variation of Omori Law p-value

Frontiers in Earth Science, 2022
Strong to great earthquakes considerably weaken the structural strength of the subsurface strata and civil constructions. The occurrence of Mw ≥ 5 aftershocks further contributes to the loss of human lives and damage to property.
Harsh K. Gupta, Rajesh Rekapalli
doaj   +1 more source

Some characteristics of foreshocks and aftershocks of the 2022 ML6.8 Chihshang, Taiwan, earthquake sequence

Frontiers in Earth Science
Foreshocks and aftershocks occurred before and after the ML6.8 (Mw7.0) earthquake in eastern Taiwan on 18 September 2022. We explore the epicentral distribution and temporal variations for the mainshock, foreshocks, and aftershocks.
Kou-Cheng Chen, Bor-Shouh Huang, Kwang-Hee Kim, Jeen-Hwa Wang, Jeen-Hwa Wang   +4 more
doaj   +1 more source

Modeling afterslip and aftershocks following the 1992 Landers earthquake [PDF]

, 2007
One way to probe the rheology of the lithosphere and fault zones is to analyze the temporal evolution of deformation following a large earthquake. In such a case, the lithosphere responds to a known stress change that can be assessed from earthquake slip
Amelung, Amitrano, Blanpied, Bock, Bodin, Bosl, Bouchez, Chester, Cocks, Cruden, Deng, Dieterich, Dieterich, Dragert, Fialko, Fialko, Goldberg, Gordon, Gross, H. Perfettini, Hardebeck, Hardebeck, Hauksson, Hearn, Hsu, Hsu, Hudnut, J.-P. Avouac, Johnson, King, Lachenbruch, Langbein, Lapusta, Liu, Lockner, Marone, Marone, Massonnet, Miyazaki, Montési, Nelder, Okada, Peltzer, Peltzer, Perfettini, Perfettini, Perfettini, Perfettini, Perfettini, Pollitz, Pollitz, Pollitz, Press, Rice, Rice, Rubin, Rubin, Ruina, Sauber, Sauber, Savage, Savage, Savage, Savage, Scholz, Scholz, Shen, Smith, Stein, Wessel, Zweck   +70 more
core   +3 more sources

Is Earthquake Triggering Driven by Small Earthquakes? [PDF]

, 2002
Using a catalog of seismicity for Southern California, we measure how the number of triggered earthquakes increases with the earthquake magnitude. The trade-off between this relation and the distribution of earthquake magnitudes controls the relative ...
Helmstetter, Agnes
core   +4 more sources

Importance of direct and indirect triggered seismicity

, 2003
Using the simple ETAS branching model of seismicity, which assumes that each earthquake can trigger other earthquakes, we quantify the role played by the cascade of triggered seismicity in controlling the rate of aftershock decay as well as the overall ...
Agnès Helmstetter, Correig, Davis, Felzer, Felzer, Gardner, Harris, Helmstetter, Kagan, Knopoff, Molchan, Ogata, Ogata, Reasenberg, Sornette, Stein   +15 more
core   +4 more sources

Constraints on fault and lithosphere rheology from the coseismic slip and postseismic afterslip of the 2006 M_w 7.0 Mozambique earthquake [PDF]

, 2012
The 2006 M_w 7.0 Mozambique (Machaze) normal-faulting earthquake ruptured an unusually steeply dipping fault plane (~75°). The amount of slip in the earthquake decreased from depths of ~10 km toward the surface, and this shallow slip deficit was at least
Bergman, Eric, Copley, Alex, Hollingsworth, James   +2 more
core   +1 more source

Scale free networks of earthquakes and aftershocks

, 2003
We propose a new metric to quantify the correlation between any two earthquakes. The metric consists of a product involving the time interval and spatial distance between two events, as well as the magnitude of the first one.
A. Helmstetter, A. Wagner, B. Gutenberg, C. Frohlich, C. H. Scholz, D. P. Hill, D. Stauffer, D. Turcotte, F. Omori, G. M. Molchan, J. Gardner, L. Knopoff, L. Knopoff, M. Faloutsos, Marco Baiesi, Maya Paczuski, P. Bak, P. Bak, T. Hirata, T. Utsu, V. Keilis-Borok, Y. Y. Kagan   +21 more
core   +1 more source

Are Aftershocks of Large Californian Earthquakes Diffusing? [PDF]

, 2003
We analyze 21 aftershock sequences of California to test for evidence of space-time diffusion. Aftershock diffusion may result from stress diffusion and is also predicted by any mechanism of stress weakening.
Agnès Helmstetter, Bouchaud, Chatelain, Das, Didier Sornette, Dieterich, Fukuyama, Guy Ouillon, Hawkes, Hawkes, Hawkes, Helmstetter, Helmstetter, Helmstetter, Helmstetter, Helmstetter, Helmstetter, Huc, Hudnut, Imoto, Jacques, Kagan, Kagan, Kagan, Kagan, Kagan, King, Lee, Marsan, Marsan, Marsan, Mogi, Noir, Nur, Ogata, Ouchi, Ouillon, Rydelek, Rydelek, Sahimi, Scholz, Shaw, Sornette, Stein, Stein, Tajima, Tajima, Toda, Utsu, Utsu, Wesson, Yamashita   +51 more
core   +7 more sources