On the Use of Calibration Explosions at the Former Semipalatinsk Test Site for Compiling a Travel-time Model of the Crust and Upper Mantle

Nadezhda N. Belyashova, Vladimir I. Shacilov, Н. Н. Михайлова, Igor I. Komarov, Zlata I. Sinyova, A. V. Belyashov, Marina N. Malakhova

2001

Closed access Metadata (CSL-JSON)

DOI 10.1007/978-3-0348-8250-7_13

Data confidence 70 medium

How this score is calculated

It is built from checkable properties of the record itself: whether the article has a DOI, how many independent sources confirmed its data, whether the required fields are filled in, and how recent the latest confirmation is. Disagreement between sources and a missing identifier lower it. A value of 80 or above means the record was published without further checking; 60 to 79 means it is published at reduced confidence, with a manual check advisable. A record verified by an editor by hand is never pushed below 90 by a recalculation. This scores our data about the article, not the article itself.

Abstract

Two chemical calibration explosions, conducted at the former Semipalatinsk nuclear test site in 1998 with charges of 25 tons and 100 tons TNT, have been used for developing travel-time curves and generalized one-dimensional velocity models of the crust and upper mantle of the platform region of Kazakhstan. The explosions were recorded by a number of digital seismic stations, located in Kazakhstan at distances ranging from 0 to 720 km. The travel-time tables developed in this paper cover the phases P , Pn , Pg , S , Sn , Lg in a range of 0-740 km and the velocity models apply to the crust down to 44 km depth and to the mantle down to 120 km. A comparison of the compiled travel-time tables with existing travel-time tables of CSE and IASPEI91 is presented.