Volume 52, Issue I of the Summary covers data analysis on the first six months of data year 2015 including: Summary of Seismicity, Statistics of Collected Data, Overview of the ISC Bulletin, Leading Data Contributors.

Submitted articles:

• Seismic Monitoring and Data Processing at the Norwegian National Seismic Network
• The Finnish National Seismic Network

Cite full issue as: International Seismological Centre (2018), Summary of the Bulletin of the International Seismological Centre, January - June 2015, 52(I), https://doi.org/10.31905/JSWEM8MG.