The 2016 M7.8 Kaikōura earthquake is one of the most complex earthquakes in recorded history, with significant rupture at least 21 crustal faults. Using a matched-filter detection routine, precise cross-correlation pick corrections, and accurate location relocation techniques, we construct catalog 33,328 between 2009 2020 on adjacent to faults that ruptured earthquake. We also compute focal mec...

there are large areas of the world where seismicity is high while they form the whole or parts of urban conglomeration. iran can be literally compared to a large shaking table; various parts of it have been stricken by earthquake in the last four decades(1). tehran is also expected to have a major earthquake in the near future(2). therefore, urban design criteria for earthquake preparedness i...

We determined the centroid moment tensor (CMT) solutions of earthquakes that occurred along the North Anatolian fault (NAF) beneath the Sea of Marmara and the Aegean Sea, using data obtained from Turkey’s broadband seismograph network. The CMT solution of the 2014 Aegean Sea earthquake (Mw 6.9) represents a strike-slip fault, consistent with the geometry of the NAF, and the source-time function...

This report presents the final results from this contract to analyze the seismicity of the Yakima Fold and Thrust Belt (YFTB) region, Washington (Figure 1). The contract work involved the following: Apply conventional seismic tomography, using the public domain code simul2000 (Thurber and Eberhart-Phillips, 1999), to the YFTB region (121.25°W to 117.5°W and 45.5°N to 47.5°N) dataset of approxim...

Background Gaucher et al. (2015) provide an overview on published methods employed for modelling induced seismicity in geothermal reservoirs. Here I focus exclusively on the rateand state-dependent theory of Dieterich (1994), further referred to as RST for modelling fluid injection induced seismicity. For simplicity, I consider the case of fluid injection at the origin in a medium with isotropi...

A model of the spatial and temporal distribution of seismicity both before and after the Northridge, California earthquake has been used to estimate the background stress state, loading rate, and some parameters relating to fault friction. A detailed source model was used to calculate the stress change eld from the Northridge mainshock, which 1 was t to the spatial distribution of seismicity. A...

Contents 1. Introduction 2. Seismicity induced by natural processes 2.1. Triggering of earthquakes by the Earth's tide 2.2.Changes of the Earth's rotation speed 2.3. Meteorological processes 2.4. Strong earthquakes 3. Seismicity induced by technogenic impacts 3.1. Creation of large dams and reservoirs 3.2. Oil and gas extraction 3.3. Underground nuclear tests 3.4. Action of powerful electric pu...

We analyze the seismic moment-frequency relation in various depth ranges and for different seismic regions, using Flinn-Engdahl’s regionalization of global seismicity. Three earthquake lists of centroid-moment tensor data have been used: the Harvard catalog, the USGS catalog, and the HUANG et al. (1997) catalog of deep earthquakes. The results confirm the universality of the b-values and the ma...

A Linked stress release model, incorporating stress transfer and spatial interaction between diierent seismic regions, is proposed. The model is applied to spatio-temporal seismicity analysis of historical earthquake catalogues and synthetic ones generated by physical models. The results highlight the triggering mechanism of earthquake occurrence and the evidence that the crust may lie in a nea...

Earthquakes may be induced by a wide range of anthropogenic activities such as mining, fluid injection and extraction, and hydraulic fracturing. In recent years, the increased occurrence of induced seismicity and the impact of some of these earthquakes on the built environment have heightened both public concern and regulatory scrutiny, motivating the need for a framework for the management of ...