Filters: Tags: seismic networking (X)7 results (6ms)
Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Locations of stress orientations
NOTE: Location of one point, near -88.65, 38.95, was incorrectwhen Sheet A was published. The location is .5 degree south, andis corrected in this dataset.This cover contains locations of places where greatest horizontalcompressive stress (S(Hmax)) orientations havebeen determined either by observation of well-bore breakouts or wherefocal mechanism solutions have been determined from earthquakes.Well-bore breakouts are observed from 0 to 1.4 km, whereas earthquakesgenerally occur deeper. The earthquake focal mechanismsshow both reverse and strike-slip faulting. Overall the stressindicators show easterly trending S(Hmax).
Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:COCORP seismic reflection surveys
This cover contains locations of two COCORP lines that cross thestudy area.
Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Seismograph Network station locations
This cover contains station locations of the New Madrid SeismicNetwork within the study boundary. The network is a cooperativeproject of Saint Louis University and Memphis State University.Operation of the network has been continuous since June 1975, butoperators have changed the network configuration throughout thattime period. The start and stop dates in the point attribute fileare not complete, but are included because they are useful for someof the stations.
Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Temporary seismic network station locations
This cover contains the locations of stations deployed in the temporarynetwork by M.W. Hamburger, G.L.Povlis, and others atIndiana University from October 1995 through June 1996.20 three-component digital instruments were deployednear the Wabash River. 10 of the stations were deployed in atight cluster to experiment with increasing signal-noise ratiosin an urban environment. Results of the experiment were notavailable at publication time.For locations in the permanent seismic network, see eqksta.doc
Provided here is a globally distributed catalog of earthquakes and nuclear explosions with calibrated hypocenters, referred to as the Global Catalog of Calibrated Earthquake Locations or GCCEL. This dataset contains more than 18,000 earthquakes in 289 well distributed clusters. Currently there are more than 3.0M arrival times with the bulk being the Pg, Pn, P, Sg, Sn and S phases. The term “calibrated” refers to the property that the hypocenters are minimally biased by unknown Earth structure and that the uncertainties are meaningful. Uncertainties are calculated using empirically determined variability of the arrival time data itself, specific to each calibrated cluster of hypocenters. The data are carefully processed...
This database complements the following publication: Goldberg, D. E., D. Melgar, G. P. Hayes, B. W. Crowell, and V. J. Sahakian (2021). A Ground-Motion Model for GNSS Peak Ground Displacement, Bulletin of the Seismological Society of America XX, 1–15, doi: 10.1785/0120210042. High-rate Global Navigations Satellite Systems (GNSS) data is recognized as a valuable complement to traditional inertial seismic instrumentation for recording the large ground motions at regional distances to large magnitude earthquakes. This dataset contains high-rate GNSS displacement waveforms, processed using precise point positioning, for a global set of moderate- to large-magnitude earthquakes (Mw6-9) between the years 2003 and 2019....
Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Strong Motion Program station locations
This cover contains locations of strong motion accelerograph instrumentslocated in the lower Wabash Valley. The instruments are operated byLamont-Doherty Geological Observatory, the University of Kentucky, andthe U.S. Army Corps of Engineers Strong Motion InstrumentationProgram at the Corp's Waterways Experiment Station in Vicksburg, MS.