E-GRAAL (Earthquake GRAvity ALerts) kick-off meeting APC laboratory

lundi 9 mars 2015, 09:00 → 22:30 Europe/Paris

483A Malevitch (APC)

 

The goal of the E-GRAAL project is to study the feasibility of a new earthquake early-warning system using the detection of the gravity perturbation during the fault rupture

 

Organisation: Matteo Barsuglia (APC), Jean-Paul Montagner (IPGP)

09:00 → 10:30 Introduction and status review talks

09:00 Presentation of the E-GRAAL project

Orateur: M.Barsuglia (APC)

Transparents Barsuglia_EGRAAL.pdf

09:30 Status review of earthquake early warning systems and future prospects

Orateur: Maren Boese (ETH)

Transparents mboese_E-GRAAL_2015.pdf

10:00 Measurements of time-varying gravity using satellites

Orateur: Isabelle Panet (IPGP)

Transparents SatelliteGravity_IsabellePanet.pdf

10:30 → 11:00 Discussion + Coffee

11:00 → 13:00 Transient gravity signals from earthquakes: computation and data-analysis (I)

11:00 Analytical computations of transient gravity signals from earthquakes

Orateur: J.-P.Ampuero (Caltech)

Transparents Pablo_EGRAAL_kick_off.pptx

11:30 Computation of transient gravity signals with earth normal modes - overview and open problems

Orateur: K.Juhel (IPGP)

Transparents EGraal_Juhel_NormalModes.pdf

12:00 Earthquake signal detection with gravity detectors - preliminary analysis

Orateur: Jean-Paul Ampuero (Caltech)

Transparents Pablo_EGRAAL_kick_off.pptx

12:30 Discussion

13:00 → 14:00 Lunch

14:00 → 16:00 Detector feasibility

14:00 Overview of seismology instruments and their sensitivities

Orateur: P.Bernard (IPGP)

Transparents bernard-seismometers-egraal-apc-march-2015.pdf

14:30 TOBA experience and future plans

Orateur: Ayaka Shoda (Tokyo University)

Transparents E-GRAALkickoff_TOBA.pdf

15:00 Experience with sub-Hz metrology at APC

Orateur: H.Halloin (APC)

Transparents EGRAAL_kickoff_March2015_Halloin.pdf

15:30 Atom interferometry gravity gradiometers

Orateur: F.sorrentino (INFN Genova)

Transparents Sorrentino_eGraal_09_03_2015.pdf

16:00 → 16:30 Discussion + coffee

16:30 → 18:00 Transient gravity signals from earthquakes: computation and data analysis (II)

16:30 Search for a transient gravity signal from the Tohoku 2011 earthquake

Orateur: J.-P.Montagner and K.JUhel (IPGP)

17:30 Open problems and ideas on data analysis with gravity detectors

Orateur: Eric Chassande-Mottin (APC)

Transparents EricCM.pdf

18:00 → 19:00 Summary and discussion

Orateur: M.Barsuglia (APC)

19:30 → 22:30 Dinner