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<!DOCTYPE html> <html lang="en"> <head> <title>Imaggeo</title> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <meta charset="utf-8"> <link rel="preconnect" href="https://pwk.egu.eu"> <link rel="icon" href="https://imaggeo.egu.eu/static/d340536/images/favicon.svg" type="image/svg+xml"> <link rel="icon" href="https://imaggeo.egu.eu/static/d340536/favicon.ico" sizes="32x32"> <link rel="apple-touch-icon" href="https://imaggeo.egu.eu/static/d340536/images/favicon_180.png"> <link rel="manifest" href="https://imaggeo.egu.eu/static/d340536/manifest.webmanifest"> <link rel="stylesheet" href="https://imaggeo.egu.eu/static/d340536/vendors/bootstrap/css/bootstrap.min.css"> <link rel="stylesheet" href="https://imaggeo.egu.eu/static/d340536/css/fonts.min.css"> <link rel="stylesheet" href="https://imaggeo.egu.eu/static/d340536/css/core.min.css"> <link rel="stylesheet" href="https://imaggeo.egu.eu/static/d340536/css/home.min.css"> </head> <body id="top"> <header> <div id="header"> <div id="auth" class="hidden-xs"> <a href="/login/"> Log in </a> </div> <div id="egu-logo" class="hidden-xs"> <a href="https://www.egu.eu/" target="_tab" rel="noopener noreferrer"><img src="https://imaggeo.egu.eu/static/d340536/images/egu-logo.svg" alt="EGU Logo" width="35" height="28"></a> </div> <div id="egu-logo-text" class="visible-lg"> The geosciences image and video repository<br> of the <a href="https://www.egu.eu/" target="_tab" rel="noopener noreferrer">European Geosciences Union</a> </div> <div id="menu" class="btn-navbar visible-xs"> <a data-toggle="collapse" data-target=".nav-collapse"><i class="fas fa-bars"></i></a> </div> <div id="search"> <a href="/search/" title="Search"><i class="fas fa-magnifying-glass"></i></a> </div> <a id="logo" href="/"><img src="https://imaggeo.egu.eu/static/d340536/images/imaggeo-logo2.svg" alt="Imaggeo Logo" width="114" height="26"></a> <nav id="nav" class="hidden-xs hl"> <ul> <li><a href="/category/" title="Categories">Categories</a></li> <li><a href="/region/" title="Regions">Regions</a></li> <li><a href="/map/" title="Map">Map</a></li> <li><a href="/tag/" title="Tags">Tags</a></li> <li><a href="/videos/" title="Videos">Videos</a></li> </ul> </nav> </div> <div class="visible-xs"> <div id="collapse" class="nav-collapse collapse"> <ul class="nav pull-right"> <li ><a href="/about/">About</a></li> <li ><a href="/copyright/">Copyright</a></li> <li><a href="https://www.egu.eu/imprint/">Imprint</a></li> <li><a href="https://www.egu.eu/privacy-policy/">Privacy policy</a></li> <li ><a href="/login/?next=/">Login</a></li> </ul> <ul class="nav"> <li ><a href="/category/" title="Categories">Categories</a></li> <li ><a href="/region/" title="Regions">Regions</a></li> <li ><a href="/map/" title="Map">Map</a></li> <li ><a href="/tag/" title="Tags">Tags</a></li> <li ><a href="/videos/" title="Videos">Videos</a></li> <li ><a href="/photo-competition/">Photo contest</a></li> </ul> <p> Follow EGU on: <a href="https://www.instagram.com/eurogeosciences/" target="_tab" rel="noopener noreferrer"><i class="fab fa-instagram"></i><span class="hidden-xs">Instagram</span></a> <a href="https://www.facebook.com/EuropeanGeosciencesUnion" target="_tab" rel="noopener noreferrer"><i class="fab fa-facebook"></i><span class="hidden-xs">Facebook</span></a> <a href="https://geolog.egu.eu/" target="_tab" rel="noopener noreferrer"><i class="fab fa-wordpress"></i><span class="hidden-xs">Blog</span></a> </p> </div> </div> </header> <div id="maximage"> <div class="slide"> <picture> <source media="(min-width: 2048px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/06/09/18493.jpg.2048x1536_q85.webp"> <source media="(min-width: 1600px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/06/09/18493.jpg.1600x1200_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2024/06/09/18493.jpg.2048x1536_q85.webp 2x"> <source media="(min-width: 1024px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/06/09/18493.jpg.1024x768_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2024/06/09/18493.jpg.2048x1536_q85.webp 2x"> <source srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/06/09/18493.jpg.800x600_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2024/06/09/18493.jpg.1600x1200_q85.webp 2x"> <img src="https://imaggeo.egu.eu/media/thumbs/previews/2024/06/09/18493.jpg.800x600_q85.webp" loading="lazy" alt="Sillimanite needles in a quartzite"> </picture> <aside class="right"> <p><a href="/view/18493/">Sillimanite needles in a quartzite</a></p> <p><small><a href="/user/sophiegraul/">Sophie Graul</a></small></p> </aside> </div> <div class="slide"> <picture> <source media="(min-width: 2048px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/03/28/18293.jpg.2048x1536_q85.webp"> <source media="(min-width: 1600px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/03/28/18293.jpg.1600x1200_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2024/03/28/18293.jpg.2048x1536_q85.webp 2x"> <source media="(min-width: 1024px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/03/28/18293.jpg.1024x768_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2024/03/28/18293.jpg.2048x1536_q85.webp 2x"> <source srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/03/28/18293.jpg.800x600_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2024/03/28/18293.jpg.1600x1200_q85.webp 2x"> <img src="https://imaggeo.egu.eu/media/thumbs/previews/2024/03/28/18293.jpg.800x600_q85.webp" loading="lazy" alt="Volcano-Tectonic Interaction"> </picture> <aside class="right"> <p><a href="/view/18293/">Volcano-Tectonic Interaction</a></p> <p><small><a href="/user/oestrein/">Nicolas Oestreicher</a></small></p> </aside> </div> <div class="slide"> <picture> <source media="(min-width: 2048px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2025/01/16/18660.jpg.2048x1536_q85.webp"> <source media="(min-width: 1600px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2025/01/16/18660.jpg.1600x1200_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2025/01/16/18660.jpg.2048x1536_q85.webp 2x"> <source media="(min-width: 1024px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2025/01/16/18660.jpg.1024x768_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2025/01/16/18660.jpg.2048x1536_q85.webp 2x"> <source srcset="https://imaggeo.egu.eu/media/thumbs/previews/2025/01/16/18660.jpg.800x600_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2025/01/16/18660.jpg.1600x1200_q85.webp 2x"> <img src="https://imaggeo.egu.eu/media/thumbs/previews/2025/01/16/18660.jpg.800x600_q85.webp" alt="Among the Artefacts of Atmosphere"> </picture> <aside class="right"> <p><a href="/view/18660/">Among the Artefacts of Atmosphere</a></p> <p><small><a href="/user/Dasserly/">Gwendolyn Dasser</a></small></p> </aside> </div> <div class="slide"> <picture> <source media="(min-width: 2048px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/04/01/18313.jpg.2048x1536_q85.webp"> <source media="(min-width: 1600px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/04/01/18313.jpg.1600x1200_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2024/04/01/18313.jpg.2048x1536_q85.webp 2x"> <source media="(min-width: 1024px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/04/01/18313.jpg.1024x768_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2024/04/01/18313.jpg.2048x1536_q85.webp 2x"> <source srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/04/01/18313.jpg.800x600_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2024/04/01/18313.jpg.1600x1200_q85.webp 2x"> <img src="https://imaggeo.egu.eu/media/thumbs/previews/2024/04/01/18313.jpg.800x600_q85.webp" loading="lazy" alt="The silence of the snow"> </picture> <aside class="right"> <p><a href="/view/18313/">The silence of the snow</a></p> <p><small><a href="/user/anita.raimondi@polimi.it/">Anita Raimondi</a></small></p> </aside> </div> <div class="slide"> <picture> <source media="(min-width: 2048px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/02/19/18065.jpg.2048x1536_q85.webp"> <source media="(min-width: 1600px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/02/19/18065.jpg.1600x1200_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2024/02/19/18065.jpg.2048x1536_q85.webp 2x"> <source media="(min-width: 1024px)" srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/02/19/18065.jpg.1024x768_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2024/02/19/18065.jpg.2048x1536_q85.webp 2x"> <source srcset="https://imaggeo.egu.eu/media/thumbs/previews/2024/02/19/18065.jpg.800x600_q85.webp 1x, https://imaggeo.egu.eu/media/thumbs/previews/2024/02/19/18065.jpg.1600x1200_q85.webp 2x"> <img src="https://imaggeo.egu.eu/media/thumbs/previews/2024/02/19/18065.jpg.800x600_q85.webp" loading="lazy" alt="Permafrost melt and glacial retreat outpacing human expectations."> </picture> <aside class="right"> <p><a href="/view/18065/">Permafrost melt and glacial retreat outpacing human expectations.</a></p> <p><small><a href="/user/734917/">Stan Schouten</a></small></p> </aside> </div> </div> <nav id="left"> <ul> <li><a class="button-1" href="/newest/">Newest</a></li> <li><a class="button-2" href="/most-viewed/">Most viewed</a></li> <li><a class="button-3" href="/editors-choice/">Editor's choice</a></li> <li><a class="button-4" href="/most-liked/">Most liked</a></li> </ul> <ul> <li><a class="button-upload" href="/upload/">Upload</a></li> </ul> </nav> <i id="nextimg" title="Use right arrow key for next image" class="fas fa-angle-right hidden-xs"></i> <i id="previousimg" title="Use left arrow key for previous image" class="fas fa-angle-left hidden-xs"></i> <footer id="footer" 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