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Javier Alejandro Ojeda Vargas

Postdoctoral Researcher

Universidad de Concepción

Concepción, Chile

I aim to understand earthquake processes through an integrated seismogeodetic approach, with broad interests in characterizing (a)seismic behavior, modeling earthquake strong ground motions, assessing earthquake potential and environmental seismology

Geophysics, UNIVERSIDAD DE CHILE. Chile, 2016
MSc Geophysics, UNIVERSIDAD DE CHILE. Chile, 2018
PhD Geology, UNIVERSIDAD DE CHILE. Chile, 2024
PhD Earth and Environmental Sciences, INSTITUT DE PHYSIQUE DU GLOBE DE PARIS. Francia, 2024

Teaching assistant Part Time

UNIVERSIDAD DE CHILE

Facultad de Ciencias Físicas y Matemáticas

Santiago, Chile

2015 - 2024
Lecturer Part Time

UNIVERSIDAD DE CHILE

Facultad de Ciencias Físicas y Matemáticas

Santiago, Chile

2023 - 2024

Research assistant Part Time

Programa de Riesgo Sísmico

Santiago, Chile

2017 - 2020
Visiting Researcher Part Time

Istituto Nazionale di Geofisica e Vulcanologia

Rome, Italia

2019 - 2020
Doctoral Researcher Full Time

Departamento de Geofísica

Santiago, Chile

2020 - 2024
Visiting Student Researcher Part Time

University of California, Berkeley

Estados Unidos

2023 - 2024
Researcher Other

Programa de Riesgo Sísmico

Santiago, Chile

2024 - 2024
Postdoctoral Researcher, EASER project Full Time

Universidad de Concepción

Concepción, Chile

2025 - A la fecha

Advisor Undergraduate students:
[2024] Civil Engineering, Kim Araya

Scientific Advisor in school projects (Explora ANID):
[2023] Nuclear reactor safety in case of earthquakes developed in the Ascensión Nicol School from Estación Central
[2022] Diminishing water resources with zeolite developed in the Cristobal Colón School from Melipilla
[2018] Seismology Science Academy developed in the Nocedal School from La Pintana

Participation in national and international conferences
- Colloquium on Geophysical Signatures of Earthquakes and Volcanoes (2016, 2021, 2024)
- American Geophysical Union Fall Meeting (2017, 2018, 2019, 2020, 2022, 2023)
- European Geosciences Union General Assembly (2021)
- Latin American and Caribbean Seismological Commission Assembly (2022)
- Congreso Geológico Chileno (2015, 2018, 2023)

More information on:
https://javierojedav.github.io/conferences.html

Conference coordinator, Universidad de Chile
[2023] V Postgraduate workshop in Geophysics
[2022] XXX Congrès Des Doctorants, École Doctorale 560, Paris, France
[2020] III Postgraduate workshop in Geophysics
[2018] I Postgraduate workshop in Geophysics
[2016] II Colloquium of Geophysical Signatures of Earthquakes and Volcanoes

Outreach
[2022 - today] Fundación Geonautas. Co-founder of a non-profit organization
[2021 - 2024] Rocadictos. Panelist in an Earth Science radio show hosted by Radio Universidad de Chile
[2021 - 2023] Tatemblando. Co-creator of a Seismology podcast hosted by Spotify
[2020 - 2022] EGU Early Career Scientist, Seismology Divison. Co-representative, writer, and reviewer in the EGU Seismology blog
[2016 - 2023] Scientific collaborator through 1000C1000A, Ciencia Abierta, Science Festivals. and others from Explora ANID.
[2016 - 2018] Exposismos. Exhibition coordinator, PAR Explora RMSO CONICYT
[2014] Scientific Staff member in CONICYT festival, Fondecyt project 11130230: Mega-earthquakes scenarios in Chile and Synthetic Strong Motion Simulation

More information on:
https://javierojedav.github.io/outreach.html

Travel Grant

American Geophysical Union

Estados Unidos, 2020

Supported by the American Geophysical Union. This program provides funds to present outstanding graduate projects at the AGU Fall Meeting 2021.
Short-term study Grant

Japan Student Services Organization and Science and Engineering Exchange Program with Latin America

Japón, 2018

Three weeks stay in Japan supported by JASSO and SEELA to attend the International Joint Workshop on Slow Earthquakes (Fukuoka) and the Japan-LatinAmerica Academic Conference (Nikko)
Internship Grant - IPGP - France

UNIVERSIDAD DE CHILE

Chile, 2017

Supported by the program ”Short research stays for MSc. and PhD. students - Call 2017-2018”. Project: Implementation of transfer functions in stochastic finite fault methodology. Simulation of strong motion records of Tohoku Mw 9.0 (2011) and Maule Mw 8.8 (2010). Supervisor: Ph.D. Fabián Bonilla.
Outstanding Undergraduate Student Award

UNIVERSIDAD DE CHILE

Chile, 2014

Period 2014 and 2015 Acknowledgement to students who have excellent academic performance
International Mobility Grant

INSTITUT DE PHYSIQUE DU GLOBE DE PARIS

Francia, 2023

Travel support for a short research stay.
Early Career Exchange Grant

UNIVERSITY OF CALIFORNIA-SANTA CRUZ

Estados Unidos, 2024

Provided by SZNet - the international component of SZ4D - is a coordination network for an international community studying subduction zone geohazards. Grant: 1-month exchange at UC Berkeley (October 2024) SZNet SZ4D NSF AccelNet program 2301732


In search for the lost truth about the 1922 & 1918 Atacama earthquakes in Chile Article ISI JOURNAL OF SOUTH AMERICAN EARTH SCIENCES (2024)
Seismic Image of the Central to Southern Andean Subduction Zone Through Finite-Frequency Tomography Obayashi, M.; Shiobara, H.; Ito, A.; Shinohara, M.; Iwamori, H. Article ISI JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH (2024)
Afterslip of the M-w 8.3 2015 Illapel Earthquake Imaged Through a Time-Dependent Inversion of Continuous and Survey GNSS Data Nocquet, J. -M. Article ISI JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH (2023)
Long-term array observation by ocean bottom seismometers at the Chile Triple Junction Miller, Matthew Article ISI JOURNAL OF SOUTH AMERICAN EARTH SCIENCES (2023)
Seismic and aseismic slip during the 2006 Copiapo swarm in North-Central Chile Article ISI JOURNAL OF SOUTH AMERICAN EARTH SCIENCES (2023)
Stochastic strong-ground motion simulation in the Santiago metropolitan region considering an Mw 7.8 intraplate intermediate-depth earthquake Article ISI JOURNAL OF SOUTH AMERICAN EARTH SCIENCES (2023)
Hybrid broadband strong-motion simulation to investigate the near-source characteristics of the M6.5, 30 October 2016 Norcia, Italy earthquake Akinci, Aybige; Tinti, Elisa Article ISI SOIL DYNAMICS AND EARTHQUAKE ENGINEERING (2021)
Seismic noise variability as an indicator of urban mobility during the COVID-19 pandemic in the Santiago metropolitan region, Chile Article ISI SOLID EARTH (2021)
Global quieting of high-frequency seismic noise due to COVID-19 pandemic lockdown measures Lecocq, Thomas; Van Noten, Koen; van Wijk, Kasper; Koelemeijer, Paula; De Plaen, Raphael S. M.; Massin, Frederick; Hillers, Gregor; Anthony, Robert E.; Apoloner, Maria-Theresia; Arroyo-Solorzano, Mario; et al. Article ISI SCIENCE (2020)
The 21 May 1960 M-w 8.1 Concepcion Earthquake: A Deep Megathrust Foreshock That Started the 1960 Central-South Chilean Seismic Sequence Article ISI SEISMOLOGICAL RESEARCH LETTERS (2020)
Stochastic Strong-Motion Simulation in Borehole and on Surface for the 2011 M-w 9.0 Tohoku-Oki Megathrust Earthquake Considering P, SV, and SH Amplification Transfer Functions Pasten, C; Otarola, C Article ISI BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA (2018)


Relation among Small, Large and Mega-earthquakes in Central Chile FONDECYT (1170430) Proyecto 2017-2020 Personal técnico y/o de apoyo
Mega-earthquakes scenarios in Chile and Synthetic Strong Motion Simulation FONDECYT (11130230) Proyecto 2013-2015 Personal técnico y/o de apoyo