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- Title
About climate-seismicity coupling from correlation analysis.
- Authors
Molchanov, O.
- Abstract
We have analyzed together the slow climate temperature variations in the near-equatorial Pacific Ocean area (SSTOI indices) and crustal seismic activity in the same region during 1973-2008 time period using correlation analysis and found similarity in seismic and ENSO periodicities (the latter with time lag about 1.5 years). Trends of the processes are also similar showing about 2 times increase in average seismic energy release during the whole period of analysis and conventional 0.1 °C/(10 years) increase in SSTOI index anomalies. Our major conclusion is on real credibility of climate-seismicity coupling. It is rather probable that at least partially climate ENSO oscillations and temperature anomaly trends are induced by similar variation in seismicity.
- Subjects
PACIFIC Ocean; CLIMATE change research; EARTHQUAKE intensity; TEMPERATURE measurements; NATURAL disasters
- Publication
Natural Hazards & Earth System Sciences, 2010, Vol 10, Issue 2, p299
- ISSN
1561-8633
- Publication type
Article
- DOI
10.5194/nhess-10-299-2010