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Journal of Geography, Environment and Earth Science International, ISSN: 2454-7352,Vol.: 4, Issue.: 4

Original-research-article

Interdepedence and Variations of Earthquake Parameters on African Lithospheric Plate Using Gutenberg and Richter Relations

 

O. S. Hammed1*, M. O. Awoyemi2, G. O. Badmus3 and O. O. Sanni4

1Ondo State University of Science and Technology, Okitipupa, Nigeria.

2Obafemi Awolowo University, Ile-Ife, Nigeria.

3Afe Babalola University, Ado-Ekiti, Nigeria.

4Bells University of Technology, Ota, Nigeria.

Article Information
Editor(s):
(1) Fombe Lawrence Fon, Regional Planning and Development, Faculty of Social and Management Sciences, University of Buea, Cameroon.
Reviewers:
(1) David A. E. Vares, Laurentian University, Canada.
(2) Andy Anderson Bery, Universiti Sains Malaysia, Malaysia.
(3) Anonymous, National Chung Cheng University, Taiwan.
Complete Peer review History: http://sciencedomain.org/review-history/12696

Abstracts

The empirical variation of earthquake parameters such as frequency, focal depth and energy had been used in the past by seismologists to estimate the magnitude of large historic earthquakes from existing intensity maps. The Engineering geologists often need it to predict the intensity, focal depth and energy of earthquakes on the basis of maximum possible magnitude for a certain return period. The generalized earthquake scaling relations derived by Gutenberg and Richter [1] were used to determine the intensity and earthquake energy of individual events. The following were investigated: Frequency-magnitude variation; Focal depth’s variation with intensity, magnitude and energy; Earthquake intensity’s variation with energy of earthquakes; Magnitude’s variation with intensity and energy of earthquakes.

The earthquake energy, intensity and magnitude decrease with increase in focal depth and maxima at shallow focal depth on the African plate.

The seismic energy radiated from the earthquake focus could be used as the earthquake magnitude and intensity predictor.

Keywords :

Focal depth; seismic activity; earthquake intensity; magnitude; seismic energy.

Full Article - PDF    Page 1-12

DOI : 10.9734/JGEESI/2016/20050

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