JpGU-AGU Joint Meeting 2017

Presentation information

[EE] Poster

S (Solid Earth Sciences) » S-CG Complex & General

[S-CG68] [EE] Integrating Seismic and Geodetic Observations for Hazard Early Warning

Sat. May 20, 2017 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall HALL7)

convener:Linda R Rowan(UNAVCO, Inc. Boulder), Koshun Yamaoka(Earthquake and Volcano Research Center, Graduate School of Environmental Studies, Nagoya University)

[SCG68-P01] The value and role of GNSS in earthquake and tsunami early warning

★Invited papers

*Melgar Diego1, Christine Ruhl1, Ronni Grapenthin2, Allen Richard1 (1.University of California Berkeley, 2.New Mexico Tech)

Keywords:Early warning, GNSS, tsunami

The value of GPS in hazards warnings was quickly recognized following the 2004 M9.1 Sumatra earthquake. Since then numerous efforts have arisen to incorporate real time GNSS into both earthquake and tsunami early warning. Here we will synthesize the knowledge gained since then and summarize what the value of GNSS is in regards to both earthquake and tsunami warning. Drawing on examples from the operational system in the western US we will argue that GNSS must be, alongside traditional seismic deployments, a key component of any capable warning system. We will also discuss techniques for routine testing of such systems with synthetic earthquakes and simulated GNSS data.