Articles | Volume 8, issue 4
https://doi.org/10.5194/nhess-8-745-2008
© Author(s) 2008. This work is distributed under
the Creative Commons Attribution 3.0 License.Special issue:
Association of the negative anomalies of the quasistatic electric field in atmosphere with Kamchatka seismicity
Abstract. One hundred three cases of a bay-like depression in the strength of the Ez component of the quasistatic electric field in the near-Earth atmosphere, observed from 1997 to 2002 on Kamchatka, have been analyzed statistically. It has been shown that the most probable length of a bay is 40–60 min. The most probable drops in Ez are minus 106–300 V/m. The dependence of these values on an earthquake class and a distance to the epicenter was not found. The probability of earthquake prediction over 24 h before an earthquake based on the Ez anomaly is 36%.