30 September 2026: Presentation of the First Results of the MACIV Project



On 30 September 2026, from 10:00 a.m. to 12:30 p.m., ISTerre will host a half-day workshop dedicated to the presentation and discussion of the first results of the MACIV project.


This meeting will provide an opportunity to present the first work carried out on the detection of weak seismic signals and imaging of the lithosphere beneath the Massif Central, as well as to discuss ongoing research and the next steps of the project.


Program

10:00–11:30 a.m. — Detection of DLPs and other “weak” signals
  • Introduction — overview of Shapiro et al. (2025) — Nikolai Shapiro
  • Detection and characterization of DLPs since 1990 — Romain Lecomte (online)
  • Template-matching detection using MACIV and permanent networks — Aurélien Mordret (online) & Coralie Aubert
  • Network-based detection using MACIV nodes — Jean Soubestre & Coralie Aubert
  • Using anthropogenic signals to estimate velocities beneath MACIV nodes — Matthieu Sylvander (online)

11:30 a.m.–12:00 p.m. — Seismic imaging of the lithosphere beneath the Massif Central
  • Ambient noise tomography — Margot Vignon-Livache
  • Receiver functions — Anne Paul

12:00–12:10 p.m. — Presentation of figures for the MACIV-nodes “data paper” in preparation —

Coralie Aubert

12:10–12:30 p.m. — Discussion

Discussion of ongoing and future work.

More info

📍 Location : ISTerre, Amphithéâtre Killian

📅 Date : Mercredi 30 septembre 2026 — 10h à 12h30