Encyclopedia of Earthquake Engineering

2015 Edition
| Editors: Michael Beer, Ioannis A. Kougioumtzoglou, Edoardo Patelli, Siu-Kui Au

Source Characterization for Earthquake Early Warning

  • Aldo ZolloEmail author
  • Gaetano Festa
  • Antonio Emolo
  • Simona Colombelli
Reference work entry
DOI: https://doi.org/10.1007/978-3-642-35344-4_244

Synonyms

Earthquake early warning; Earthquake ground motion; Earthquake source observation; Real-time location; Real-time magnitude

Introduction

Earthquake Early Warning Systems (EEWS) are real-time, seismic monitoring infrastructures that are able to provide a rapid notification of the potential damaging effects of an impending earthquake. This objective is achieved through the fast telemetry and processing of data from dense instrument arrays deployed in the source region of the event of concern (regional EEWS) or surrounding/at the target infrastructure (front-detection or site-specific EEWS).

A regional EEWS is based on a dense sensor network covering a portion or the entire area that is threatened by earthquakes. The relevant source parameters (event location and magnitude) are estimated from the early portion of recorded signals (initial P-waves) and are used to predict, with a quantified confidence, a ground-motion intensity measure at a distant site where a target structure of...

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Aldo Zollo
    • 1
    Email author
  • Gaetano Festa
    • 1
  • Antonio Emolo
    • 1
  • Simona Colombelli
    • 1
  1. 1.Department of PhysicsUniversity of Naples Federico II, Federico II – AMRA S.c.ar.lNapoliItaly