Volume 48, Issue 7 - 12 of the Summary covers data analysis on the last six months of data year 2011 including: Summary of Seismicity, Statistics of Collected Data, Overview of the ISC Bulletin, Leading Data Contributors.

Submitted article:

• Geological Survey of Canada: Canadian National Seismic Network

Cite full issue as: International Seismological Centre (2015), Summary of the Bulletin of the International Seismological Centre, July - December 2011, 48(7-12), https://doi.org/10.5281/zenodo.998601.