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<p class="isSelectedEnd"><span>Dear Colleagues,</span></p>
<p class="isSelectedEnd"><span>On behalf of the Local Organizing
Committee of the 4th International Workshop on Equatorial Plasma
Bubbles (EPB-4), we would like to kindly remind you that the
deadline for abstract submission is fast approaching.</span></p>
<p class="isSelectedEnd"><span>Authors are invited to submit their
abstracts by </span><strong><span>14 May 2026</span></strong><span>
through the following link:</span><br>
<a
href="https://www.gov.br/inpe/en/events/the-4th-international-workshop-on-equatorial-plasma-bubbles/abstract-submissions"><span>https://www.gov.br/inpe/en/events/the-4th-international-workshop-on-equatorial-plasma-bubbles/abstract-submissions</span></a></p>
<p class="isSelectedEnd"><span>The 4th International Workshop on
Equatorial Plasma Bubbles (EPB-4) will be hosted by the National
Institute for Space Research (INPE) in São José dos Campos, São
Paulo, Brazil, from 14 to 18 September 2026.</span></p>
<p class="isSelectedEnd"><span>EPB-4 will provide an international
forum for researchers, students, and professionals to exchange
ideas, present recent results, and foster collaborations in the
field of Equatorial Plasma Bubble research. The workshop will
feature:</span></p>
<ul data-spread="false">
<li><span>In-depth discussions on the latest observational
techniques, including satellite missions, ground-based
instrumentation, and multi-instrument networks;</span></li>
<li><span>Advances in coupled models and numerical simulations
addressing EPB seeding, growth, and variability;</span></li>
<li><span>Emerging approaches for forecasting EPBs using
artificial intelligence and machine learning;</span></li>
<li><span>Analyses of the impacts of EPBs on GNSS positioning,
satellite communications, and space weather services;</span></li>
<li><span>Opportunities to strengthen international collaboration
and promote new research initiatives.</span></li>
</ul>
<p class="isSelectedEnd"><span>We strongly encourage you to submit
your contribution and share your latest results with the
community.</span></p>
<p class="isSelectedEnd"><span>Additional information is available
on the official workshop webpage:</span><br>
<a
href="https://www.gov.br/inpe/en/events/the-4th-international-workshop-on-equatorial-plasma-bubbles/"><span>https://www.gov.br/inpe/en/events/the-4th-international-workshop-on-equatorial-plasma-bubbles/</span></a></p>
<p class="isSelectedEnd"><span>We look forward to receiving your
submission and to welcoming you to Brazil in September 2026.</span></p>
<p class="isSelectedEnd"><span>Kind regards,</span></p>
<p><span>Local Organizing Committee (LOC)</span><br>
<span>4th International Workshop on Equatorial Plasma Bubbles
(EPB-4)</span></p>
<p>--</p>
<div class="moz-signature">
<p
style="font-family: Arial, sans-serif; font-size: 14px; color: #000000; line-height:1.4;">
<strong>Diego Barros Silva</strong><br>
Divisão de Clima Espacial - DICEP<br>
Instituto Nacional de Pesquisas Espaciais - INPE/MCTI<br>
Av. dos Astronautas, 1758, Jardim da Granja<br>
CEA II, 1º Andar, Sala 14<br>
São José dos Campos, SP, CEP 12227-010<br>
Telefone: (12) 3208-7804
</p>
<p
style="font-family: Arial, sans-serif; font-size: 14px; color: #555555; line-height:1.4; margin-top:10px;">
<em>Diego Barros Silva</em><br>
Space Weather Division - DICEP<br>
National Institute for Space Research - INPE/MCTI<br>
Av. dos Astronautas, 1758, Jardim da Granja<br>
CEA II, 1st Floor, Room 14<br>
São José dos Campos, SP, ZIP Code 12227-010, Brazil<br>
Phone: +55 (12) 3208-7804
</p>
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