Volume 54, Issue I of the Summary covers data analysis on the first six months of data year 2017 including: Summary of Seismicity, Statistics of Collected Data, Overview of the ISC Bulletin, Leading Data Contributors.

Submitted articles:

• The Seismological Network of Aristotle University of Thessaloniki, Greece (AUTHnet)
• Seismological Monitoring in Latvia

Cite full issue as: International Seismological Centre (2020), Summary of the Bulletin of the International Seismological Centre, January - June 2017, 54(I), https://doi.org/10.31905/JTSXF67S.