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- Title
Impact of climate change on seismicity:a statistical approach.
- Authors
Maji, Chiranjit; Sadhukhan, Bikash; Mukherjee, Somenath; Khutia, Saroj; Chaudhuri, Hirok
- Abstract
Earthquakes are the shaking of the Earth's crust, making quick energy discharge in the Earth's lithosphere by creating seismic waves. The global temperature is a significant climate variable that affects the Earth's ecosystem and civilization. The global temperature record indicates the average temperature of various periods across all locations in the globe. It is dependent on the amount of energy Earth absorbs from the Sun and emits back into space. The earthquake has always been a challenging exploration topic for the last few decades. Finding its association with global temperature fluctuations is also popular nowadays. This work aims to investigate the correlation and causal relation between rising global temperature and earthquake occurrences. In this regard, two dynamics, namely global temperature anomalies and the occurrence of earthquakes, have been taken from the Intergovernmental Panel on Climate Change (IPCC) and US Geological Survey (USGS), respectively. An endeavour has been taken to determine the degree of association between earthquake occurrence and global temperature fluctuation through the temporal variation analysis and correlation analysis for the Alaska region and global consequences. The results show that the global temperature anomalies strongly influence the earthquakes of minor magnitudes, specifically magnitude of 2.0 to 4.9 M. The study further investigates the causal relationship between earthquake occurrences and global temperature fluctuations by using the Granger causality test, which reveals bidirectional causality exists between the two dynamics. These results will help future researchers to create a suitable mathematical model to predict the future values of each dynamics using other's previous records.
- Publication
Arabian Journal of Geosciences, 2021, Vol 14, Issue 24, p1
- ISSN
1866-7511
- Publication type
Article
- DOI
10.1007/s12517-021-08946-8