Workshop on Chilean subduction zone

Workshop on the Chilean Subduction Zone

Date: April 22, 2024
Location: Lecture Hall of IG CAS, Spořilov
Organizer: Christian Sippl

Block A: Plate Interface

09:30 – 10:00 Ignacia Calisto (UdeC): Characterizing past earthquakes through historical observations and logic tree approximation

10:00 – 10:30 Andres Tassara (UdeC): Nature of asperities and barriers along the Chilean megathrust unveiled by an integrated analysis of seismicity, gravity, geodetic locking and wedge geometry

10:30 – 11:00 Sui “Jay” Tung (TTU): Revisiting the coseismic slip model of the 2015 Mw 8.3 Illapel, Chile earthquake with curvilinear fault rupture, finite element model, and InSAR observations

20 minutes coffee break

Block B: Slab

11:20 – 11:50 Martin Riedel Hornig (UdeC): Phase stability and metamorphic reactions related to intraplate seismicity in the Nazca Plate

11:50 – 12:20 Christian Sippl (IG-CAS): Using large microseismicity catalogs to constrain subduction zone processes – examples from the Chilean margin

12:20 – 12:50 Nicolas Hernandez-Soto (UdeC): From regional to local structures imaged by seismic tomography at the Atacama seismic gap, Central-Northern Chile (24.5-29°S)

Lunch Break

Block C: Upper Plate/Across Plates

14:00 – 14:30 Nooshin Najafipour (IG CAS): The IPOC catalog goes deep: preliminary results

14:30 – 15:00 Diego Gonzalez-Vidal (UdeC): Seismological observations around Copahue volcano, Chile

15:00 – 15:30 Dominika Godova (IG CAS): Towards a 3D integrated geophysical model of Northern Chile

Coffee break + Discussion

UdeC: Universidad de Concepcion, Chile

TTU: Texas Tech University, Lubbock, US

IG CAS: Institute of Geophysics, Czech Academy of Sciences (Geofyzikální ústav AV ČR - GFÚ AV ČR)