Kanao, M. and Kaminuma, K. (2006) Seismic Activity Associated with Surface Environmental Changes of the Earth System, East Antarctica. In: Futterer, D.K., Damaske, D., Kleinschmidt, G., Miller, H. and Tessensohn, F., Eds., Antarctica: Contributions to Global Earth Sciences, Springer, 361-368.

has been cited by the following article:

• TITLE: Statistics of Seismic Tremors with Harmonic Overtones Recorded at Syowa Station, Antarctica: October 2014-March 2015

  AUTHORS: Masaki Kanao

  KEYWORDS: Seismic Tremors, Harmonic Overtones, Statistics, Syowa Station, Antarctica

  JOURNAL NAME: International Journal of Geosciences, Vol.8 No.6, June 26, 2017

  ABSTRACT: During the period from October 2014 to March 2015, a total number of 82 seismic tremors and 66 ice-quakes were identified in both three-component short-period seismographs (HES) and broadband seismographs (STS-1) at Syowa Station (SYO), Antarctica. Statistics of the number of these tremors indicated that many tremors were likely to occur when large increases in temperature and/or wind speed during the period. This implied that the rapid increase in temperature enhanced a melting speed of cryosphere environment with generating seismic energy; the tremors were also excited by stormy conditions, associated with interactive resonance between sea-ices and oceanic swells. The characteristic tremors of harmonic overtones with strong amplitudes were explained by repetitive sources, suggesting inter-glacial asperities such as the collision of icebergs and fast sea-ice, calving of glaciers/ice-streams at the coastal environment of Antarctica. These high amplitude tremors occurred independently from other majority types of events, characterized by non-linear, small amplitude and weak signals at the stormy condition and rapid increase in temperature.