On Precursors to the Italy Earthquake M.6.2 using VLF Signal of NSY(45.9 kHz) Received at Kiel Longwave Monitor

Acta Geophysica

Khadka, B.¹  Schnoor, P.W.¹  Bhatta, K.³  Kandel, K.P.³  Ghimire, B.D.³ 

[1] Nepalese Centre For Research in Physical Sciences (NCRPS), Kathmandu, Nepal;Kiel Longwave Monitor, Keil, Germany;St. Xavier’s College, Kathmandu, Nepal

关键词: D-layer;    VLF;    terminator times SRT-I and SRT-II;    Dst index;    Kp index;   

学科分类：地球科学(综合)

来源: Polska Akademia Nauk * Instytut Geofizyki

【 摘 要 】

On August 24, 2016, an earthquake of magnitude 6.2 struck Central Italy (42.706°N and 13.223°E) at 1:36 UT. We present the results obtained from the US Navy VLF Transmitter’s NSY signal of 45.9 kHz transmitted from Niscemi, in the province of Sicily, Italy and received at the Kiel Longwave Monitor, Germany for 2016. We analysed the terminator times and their individual differences. We also analysed trends, dispersion and night time fluctuation which gave us a possible precursor the Italy earthquake. We found ionospheric perturbations in these parameters on 14th, 19th and 22nd of August, few days prior. Moreover, we filtered the possible effects due to lightning, storms and auroras if any.

【 授权许可】

Unknown