Abstract
This paper highlights recent developments of earthquake monitoring systems and early damage assessment systems in Japan. UrEDAS of the Japan Railway group and SIGNAL of Tokyo Gas Company are the pioneers of such systems. A few other early damage assessment systems were also developed by local governments. After the 1995 Hyogoken-Nanbu (Kobe) Earthquake, installation of seismometer networks and development of early damage assessment systems boomed Although some networks and systems are still under construction, this paper provides an overview of recent vintage and future directions of real-time earthquake hazard assessment are discussed. Recent developments in the United States were also reviewed.
