Relationship between night airglow and seismic activity

Details Relationship between night airglow and seismic activity Relationship between night airglow and seismic activity

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985angeo...3..689f&link_type=abstract

Annales Geophysicae (ISSN 0755-0685), vol. 3, Nov.-Dec. 1985, p. 689-694.

Astronomy and Astrophysics

Astrophysics

6

Earth Ionosphere, Earthquakes, Nightglow, Seismology, Electron Precipitation, Photometry, Radio Emission, Statistical Analysis

Scientific paper

The results of photometric observations of the night airglow at the Abastumani Astrophysical Observatory at the time of near-by earthquakes are given. The intensity of the green oxygen line (lambda = 5577 A) was observed to go through a maximum several hours before the earthquake. This increase is proved by the statistical analysis of 400 small local earthquakes. The intensities of the red oxygen line (lambda = 6300 A) and hydroxyl OH bands had no distinct anomalies. The described phenomena may be related to an enhanced electron precipitation into the lower ionosphere induced by radioemission of seismic origin.

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