Alaska Division of Geological & Geophysical Surveys

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</li> </ul> </div> <div class="soa-tmpl-content"> <div class="soa-tmpl-breadcrumb"> <a href="//alaska.gov"> <span class="soa-tmpl-breadcrumb-lg">State of Alaska</span> <span class="soa-tmpl-breadcrumb-sm">Alaska</span> </a> / <a href="//dnr.alaska.gov/"> <span class="soa-tmpl-breadcrumb-lg">Natural Resources</span> <span class="soa-tmpl-breadcrumb-sm">DNR</span> </a> / <a href="//dggs.alaska.gov"> <span class="soa-tmpl-breadcrumb-lg">Geological & Geophysical Surveys</span> <span class="soa-tmpl-breadcrumb-sm">DGGS</span> </a> </div> <link rel="stylesheet" href="home/css/frontpage.css" > <link rel="stylesheet" href="home/css/slideshow.css"> <div class="soa-tmpl-columns"> <div class="soa-tmpl-columns23"> <div class="soa-tmpl-container"> <div class="slideshow-container"> <div class="slideshow"> <a href="https://maps.dggs.alaska.gov/photodb/detail/50767"><img src="../home/img/photodb/home_page_2025_06.jpg" alt="DGGS geologist during ASTAR project fieldwork in Anaktuvuk Pass" title="DGGS geologist during ASTAR project fieldwork in Anaktuvuk Pass"></a> <div class="slideshow-caption">DGGS geologist during ASTAR project fieldwork in Anaktuvuk Pass</div> </div> <div class="slideshow"> <a href="https://maps.dggs.alaska.gov/photodb/detail/50762"><img src="../home/img/photodb/home_page_2025_01.jpg" alt="Geologist observes outcrops of West Foreland Formation near Tyonek with Mt. Spurr in the background" title="Geologist observes outcrops of West Foreland Formation near Tyonek with Mt. Spurr in the background"></a> <div class="slideshow-caption">Outcrops of West Foreland Formation near Tyonek, Mt. Spurr in the background</div> </div> <div class="slideshow"> <a href="https://maps.dggs.alaska.gov/photodb/detail/50022"><img src="../home/img/photodb/home_page_2025_02.jpg" alt="DGGS scientist examines an outcrop southeast of Chena Hot Springs" title="DGGS scientist examines an outcrop southeast of Chena Hot Springs"></a> <div class="slideshow-caption">DGGS scientist examines an outcrop southeast of Chena Hot Springs</div> </div> <div class="slideshow"> <a href="https://maps.dggs.alaska.gov/photodb/detail/50764 "><img src="../home/img/photodb/home_page_2025_03.jpg" alt="DGGS geologist examines a cut bank of Canyon Creek" title="DGGS geologist examines a cut bank of Canyon Creek"></a> <div class="slideshow-caption">DGGS geologist examines a cut bank of Canyon Creek</div> </div> <div class="slideshow"> <a href="https://maps.dggs.alaska.gov/photodb/detail/50765"><img src="../home/img/photodb/home_page_2025_04.jpg" alt="DGGS Coastal Hazards team installs monitoring equipment in Shaktoolik, Alaska" title="DGGS Coastal Hazards team installs monitoring equipment in Shaktoolik, Alaska"></a> <div class="slideshow-caption">DGGS Coastal Hazards team installs monitoring equipment in Shaktoolik, Alaska</div> </div> <div class="slideshow"> <a href="https://maps.dggs.alaska.gov/photodb/detail/50766"><img src="../home/img/photodb/home_page_2025_05.jpg" alt="DGGS volcanologist at Mount Edgecumbe" title="DGGS volcanologist at Mount Edgecumbe"></a> <div class="slideshow-caption">DGGS volcanologist at Mount Edgecumbe</div> </div> <div class="slideshow"> <a href="https://maps.dggs.alaska.gov/photodb/detail/50761"><img src="../home/img/photodb/home_page_2025_07.jpg" alt="Coastal hazards geologist investigates coastal erosion in Kaktovik, Alaska" title="Coastal hazards geologist investigates coastal erosion in Kaktovik, Alaska"></a> <div class="slideshow-caption">A Coastal Hazards geologist investigates coastal erosion in Kaktovik, Alaska</div> </div> <a class="prev" onclick="plusSlides(-1)">❮</a> <a class="next" onclick="plusSlides(1)">❯</a> </div> <br> <div style="text-align:center"> <span class="dot" onclick="currentSlide(1)"></span> <span class="dot" onclick="currentSlide(2)"></span> <span class="dot" onclick="currentSlide(3)"></span> <span class="dot" onclick="currentSlide(4)"></span> <span class="dot" onclick="currentSlide(5)"></span> <span class="dot" onclick="currentSlide(6)"></span> <span class="dot" onclick="currentSlide(7)"></span> </div>  <h3 class="wwd-title">What We do</h3> <div class="wwd"> <div class="wwd-tabs"> <div class="wwd-tabs-bg wwd-tabs-active">Natural Resources</div> <div class="wwd-tabs-sm">Energy Resources</div> <div class="wwd-tabs-sm">Mineral Resources</div> <div class="wwd-tabs-sm">Hydrology & Surficial Geology</div> <div class="wwd-tabs-sm">Geophysics</div> <div class="wwd-tabs-sm">Geologic Mapping</div> <div class="wwd-tabs-bg">Natural Hazards</div> <div class="wwd-tabs-sm">Geologic Hazards</div> <div class="wwd-tabs-sm">Geological Health Hazards</div> <div class="wwd-tabs-bg">Data Management</div> <div class="wwd-tabs-sm">Maps, Data & Tools</div> <div class="wwd-tabs-sm">Publications</div> <div class="wwd-tabs-sm">Geologic Materials Center</div> <div class="wwd-tabs-bg">Connections</div> </div> <div class="wwd-content"> <div class="wwd-shown"> <p> View our <a href="/pubs/id/31456">annual report</a> and <a href="outreach/fact-sheets.html">fact sheets</a> to find out more about DGGS, what we do, and how we benefit Alaska. <a href="/pubs/id/31456"><img src="https://dggs.alaska.gov/webpubs/dggs/ar/thumbnails/ar2024_250x324px.jpg" alt="DGGS Annual Report 2024"></a> </p> </div> <div> <ul> <li><a href="energy/index.html"><span>About Energy Resources</span></a></li> <li><a href="energy/cook-inlet.html"><span>Cook Inlet</span></a></li> <li><a href="energy/north-slope.html"><span>North Slope</span></a></li> <li><a href="energy/frontier-basins.html"><span>Frontier Basins & Rural Energy</span></a></li> <li><a href="energy/coal.html"><span>Coal Resources</span></a></li> <li><a href="energy/geothermal.html"><span>Geothermal Energy</span></a></li> <li><a href="energy/core-cm.html"><span>Carbon Ore, Rare Earth & Critical Minerals Potential</span></a></li> <li><a href="energy/oil-gas-resources.html"><span>Alaska Oil and Gas Information Resources</span></a></li> </ul> <img src="home/img/dggs-logo-gray-no-bg.png" alt="DGGS logo"> </div> <div> <ul> <li><a href="minerals/index.html"><span>About Mineral Resources</span></a></li> <li><a href="/pubs/project/1597"><span>Current Project: Earth MRI</span></a></li> <li><a href="/pubs/minerals"><span>Mineral Industry Reports</span></a></li> <li><a href="minerals/akgeology-info.html"><span>Mineral Industry Guide</span></a></li> <li><a href="//maps.dggs.alaska.gov/geochem/"><span>Geochemistry Database</span></a></li> <li><a href="//geoportal.dggs.dnr.alaska.gov/portal/home/item.html?id=e25783140d704deea5e891d63a5a34da"><span>Exploration Geochemistry Web App</span></a></li> <li><a href="//maps.dggs.alaska.gov/agdi/"><span>Geologic Data Index</span></a></li> </ul> <img src="home/img/dggs-logo-gray-no-bg.png" alt="DGGS logo"> </div> <div> <ul> <li><a href="hsg/index.html"><span>About Hydrology & Surficial Geology</span></a></li> <li><a href="hsg/hydrology.html"><span>Hydrology</span></a></li> <li><a href="hsg/permafrost.html"><span>Permafrost</span></a></li> <li><a href="hsg/surficial.html"><span>Surficial-geologic Mapping</span></a></li> <li><a href="hsg/materials.html"><span>Construction Materials</span></a></li> </ul> <img src="home/img/dggs-logo-gray-no-bg.png" alt="DGGS logo"> </div> <div> <ul> <li><a href="geophysics/index.html"><span>About Geophysics Program</span></a></li> <li><a href="//maps.dggs.alaska.gov/gp">Geophysics Interactive Map</a></li> <li><a href="geophysics/get-data.html">Get Data</a></li> <li><a href="geophysics/uses.html">Uses for Geophysical Data</a></li> <li><a href="geophysics/work-with-dggs.html">Work with Geophysics Program</a></li> <li><a href="gmc/seismic-order.html">Seismic and Borehole Data</a></li> </ul> <img src="home/img/dggs-logo-gray-no-bg.png" alt="DGGS logo"> </div> <div> <ul> <li><a href="maps-data/state-coverage.html"><span>About Geologic Mapping</span></a></li> <li><a href="//maps.dggs.alaska.gov/mapindex/"><span>Geologic Map Search</span></a></li> <li><a href="maps-data/enterprise-db.html"><span>Enterprise Database For Geology</span></a></li> <li><a href="https://ngmdb.usgs.gov/">National Geologic Map Database</a></li> <li><a href="maps-data/statemap.html"><span>STATEMAP</span></a></li> <li><a href="maps-data/statemap.html#gmab"><span>Geologic Mapping Advisory Board</span></a></li> </ul> <img src="home/img/dggs-logo-gray-no-bg.png" alt="DGGS logo"> </div> <div> <p> View our <a href="/pubs/id/31456">annual report</a> and <a href="outreach/fact-sheets.html">fact sheets</a> to find out more about DGGS, what we do, and how we benefit Alaska. <a href="/pubs/id/31456"><img src="https://dggs.alaska.gov/webpubs/dggs/ar/thumbnails/ar2024_250x324px.jpg" alt="DGGS Annual Report 2024"></a> </p> </div> <div> <ul> <li><a href="hazards/index.html"><span>About Geologic Hazards</span></a></li> <li><a href="hazards/climate/"><span>Climate & Cryosphere Hazards</span></a></li> <li><a href="hazards/climate/snow-avalanches.html"><span>Snow Avalanches</span></a></li> <li><a href="hazards/coastal/"><span>Coastal Hazards</span></a></li> <li><a href="hazards/earthquakes.html"><span>Earthquakes</span></a></li> <li><a href="hazards/landslides.html"><span>Landslides</span></a></li> <li><a href="hazards/tsunamis.html"><span>Tsunamis</span></a></li> <li><a href="hazards/volcanic-studies.html"><span>Volcanoes</span></a></li> <li><a href="hazards/barry-arm-landslide.html"><span>Barry Arm</span></a></li> </ul> <img src="home/img/dggs-logo-gray-no-bg.png" alt="DGGS logo"> </div> <div> <ul> <li><a href="hazards/radon.html"><span>Radon in Alaska</span></a></li> <li><a href="hazards/asbestos.html"><span>Naturally Occurring Asbestos</span></a></li> <li><a href="hazards/arsenic.html"><span>Arsenic in Groundwater</span></a></li> <li><a href="hazards/groundwater.html"><span>Groundwater Quality Project</span></a></li> </ul> <img src="home/img/dggs-logo-gray-no-bg.png" alt="DGGS logo"> </div> <div> <p> View our <a href="/pubs/id/31456">annual report</a> and <a href="outreach/fact-sheets.html">fact sheets</a> to find out more about DGGS, what we do, and how we benefit Alaska. <a href="/pubs/id/31456"><img src="https://dggs.alaska.gov/webpubs/dggs/ar/thumbnails/ar2024_250x324px.jpg" alt="DGGS Annual Report 2024"></a> </p> </div> <div> <ul> <li><a href="//maps.dggs.alaska.gov/">Interactive Maps</a></li> <li><a href="/pubs/keyword/alaska-statewide-maps">Alaska Maps</a></li> <li><a href="http://maps.dggs.alaska.gov/mapindex/">Geologic Map Search</a></li> <li><a href="geophysics/get-data.html">Geophysics</a></li> <li><a href="//maps.dggs.alaska.gov/geochem/">Geochemistry</a></li> <li><a href="//geoportal.dggs.dnr.alaska.gov/portal/home/">Geoportal</a></li> <li><a href="/climatehazards/weatherstations/">Weather Stations</a></li> <li><a href="//maps.dggs.alaska.gov/gmc/">GMC Inventory</a></li> <li><a href="gmc/seismic-order.html">Seismic & Well Data</a></li> <li><a href="hazards/coastal/ak-tidal-datum-portal.html">Alaska Tidal Datum Portal</a></li> <li><a href="/ago/index.html">Alaska Geospatial Office</a></li> </ul> <img src="home/img/dggs-logo-gray-no-bg.png" alt="DGGS logo"> </div> <div> <ul> <li><a href="/pubs"><span>Search Publications</span></a></li> <li><a href="/pubs/newreports"><span>New Releases</span></a></li> <li><a href="/pubs/sales"><span>Sales</span></a></li> <li><a href="/pubs/keyword/theses-and-dissertations"><span>Theses and Dissertations</span></a></li> </ul> <img src="home/img/dggs-logo-gray-no-bg.png" alt="DGGS logo"> </div> <div> <ul> <li><a href="gmc/index.html"><span>General Information</span></a></li> <li><a href="//maps.dggs.alaska.gov/gmc/"><span>Inventory</span></a></li> <li><a href="gmc/seismic-order.html"><span>Seismic & Well Data</span></a></li> <li><a href="gmc/access-samples.html"><span>Access Samples</span></a></li> <li><a href="gmc/research-publications.html"><span>Research & Publications</span></a></li> <li><a href="gmc/community-education.html"><span>Community & Education</span></a></li> <li><a href="gmc/donations.html"><span>Geologic Donations</span></a></li> </ul> <img src="home/img/dggs-logo-gray-no-bg.png" alt="DGGS logo"> </div> <div> <p>DGGS serves Alaska with connections to other cooperatives and commmissions.</p> <ul> <li><a href="//avo.alaska.edu/">Alaska Volcano Observatory</a></li> <li><a href="/ago/index.html">Alaska Geospatial Office</a></li> <li><a href="//seismic.alaska.gov/">Alaska Seismic Hazards Safety Commission</a></li> <li><a href="maps-data/statemap.html#gmab"><span>Geologic Mapping Advisory Board</span></a></li> </ul> <img src="home/img/dggs-logo-gray-no-bg.png" alt="DGGS logo"> </div> </div> </div> <div class="soa-tmpl-clear"></div> <div id="front-page-wrapper"> <div id="how-do-i" class="widget"> <h3><span>Outreach</span></h3> <ul class="headlines"> <li><a href="outreach/radon-poster.html">Radon Poster Contest</a></li> <li><a href="outreach/fact-sheets.html">Fact Sheets</a></li> <li><a href="outreach/education.html">Find Education Resources</a></li> <li><a href="outreach/school-visits.html">School Visits</a></li> <li><a href="gmc/community-education.html">GMC: Community & Education</a></li> <li><a href="popular-geology/kids/">Kids Rock</a></li> </ul> <h3><span>How Do I?</span></h3> <ul class="headlines"> <li><a href="about-us/contact.html">Get customer service</a></li> <li><a href="/pubs">Find a publication</a></li> <li><a href="/pubs/sales">Get a map</a></li> <li><a href="about-us/staff-directory.html">Find a DGGS employee</a></li> <li><a href="about-us/employment.html">Find a job or internship</a></li> <li><a href="popular-geology/rocks-minerals.html">Find gold in Alaska</a></li> <li><a href="popular-geology/alaska.html">Read a geologic map</a></li> <li><a href="gmc/donations.html">Donate samples or data</a></li> <li><a href="about-us/faq.html">More "Glad you asked" questions...</a></li> </ul> <h3><span>In Memoriam</span></h3> <ul class="headlines"> <li><a href="about-us/in-memoriam.html">Remembering Ronnie, Justin and Tori</a></li> </ul> </div> <div id="subjects-of-interest" class="widget"> <h3>Subjects of Interest</h3> <ul class="priorities"> <li><a href="popular-geology/alaska.html"><span>Geology of Alaska</span></a></li> <li><a href="popular-geology/rocks-minerals.html"><span>Rocks & Minerals</span></a></li> <li><a href="popular-geology/flooding-landslides.html"><span>Flooding & Landslides</span></a></li> <li><a href="popular-geology/volcanoes-glaciers.html"><span>Volcanoes & Glaciers</span></a></li> <li><a href="popular-geology/climate-change.html"><span>Climate Change</span></a></li> <li><a href="popular-geology/earthquakes-tsunamis.html"><span>Earthquakes & Tsunamis</span></a></li> <li><a href="popular-geology/roadside-geology.html"><span>Roadside Geology</span></a></li> <li><a href="popular-geology/kids/index.html"><span>Kids Rock</span></a></li> </ul> </div> </div> </div> </div> <div class="soa-tmpl-columns13"> <div class="soa-tmpl-container"> <div id="headlines" class="widget"> <h3>News & Highlights</h3> <ul class="headlines"> <li><strong>In the news:</strong> <a title="Communities in Southeast Alaska are mapping their landslide risk" href="https://alaskapublic.org/news/alaska-desk/2025-02-13/communities-in-southeast-alaska-are-mapping-their-landslide-risk-its-complicated ">Communities in Southeast Alaska are mapping their landslide risk</a></li> <li><strong>Hiring:</strong> DGGS is recruiting for a State Geologist/Division Director. <a href="https://www.governmentjobs.com/careers/alaska/jobs/4831277-0/chief-geologist-division-director">Learn more or apply...</a></li> <li><strong>New release!</strong> DGGS has published the latest <a title="See DGGS publication AR 2024" href="/pubs/id/31456">Annual Report</a>. Find out more about DGGS, what we do, and how we benefit Alaska!</li> <li><strong>New release!</strong> The first DGGS publication in our new <a href="/pubs/series/dggs/techniques-and-methods">Techniques and Methods</a> pub series: <a title="See DGGS publication TM 1" href="/pubs/id/31471">Glass laser ablation-inductively coupled plasma-mass spectrometry analysis methods, precision, and accuracy data for tephra studies in Alaska - TM 1</a></li> <li><strong>New release!</strong> <a title="See DGGS publication RI 2024-8" href="/pubs/id/31309">Landslide hazard susceptibility mapping in Haines, Alaska - RI 2024-8</a></li> <li><strong>New release!</strong> <a title="See DGGS publication RI 2024-7" href="/pubs/id/31308">Bedrock geologic map of the Big Hurrah-Council-Bluff area, Southern Seward Peninsula, Alaska - RI 2024-7</a></li> <li><strong>New release!</strong> <a title="See DGGS publication PIR 2024-6" href="/pubs/id/31166">Geologic investigation of the Western Tanacross and Taylor Mountain areas, Tanacross and Eagle quadrangles, Alaska - PIR 2024-6</a></li> <li><strong>New release!</strong> <a title="See DGGS publication RDF 2024-33" href="/pubs/id/31152">Zircon geochronology of Torok and Nanushuk Formations sandstones at Slope Mountain and a Seabee Formation tephra deposit at Ninuluk Bluff, central North Slope, Alaska - RDF 2024-33</a></li> <li><strong>In the news: </strong><a title="Homer landslide susceptibility mapping project completed" href="https://www.homernews.com/news/homer-landslide-susceptibility-mapping-project-completed/">Homer landslide susceptibility mapping project completed</a></li>  </ul> </div> <div id="directors-note" class="widget"> <h3>Our Mission</h3> <p>From providing information related to oil and mineral discoveries to helping after fatal landslides, Division of Geological & Geophysical Surveys staff continue their dedicated efforts to stimulate our economy, and protect our residents.</p> <p>Investing in geologic information is necessary for the discovery and commercialization of the state's undiscovered oil, gas, coal, and mineral resources, and in protecting Alaskans from geologic hazards. It is an investment in future mines, oil and gas production, State revenue, jobs, and a sound economy.</p> </div> </div> </div> </div> <div class="soa-tmpl-clear"></div> <script> document.querySelectorAll('.wwd-tabs > *').forEach(el => { el.addEventListener('click', ev => { let ts = Array.from(document.querySelectorAll('.wwd-tabs > *')); let ix = ts.indexOf(ev.srcElement); ts.forEach((x, i) => x.classList.toggle('wwd-tabs-active', (i==ix))); let cs = Array.from(document.querySelectorAll('.wwd-content > *')); cs.forEach((x, i) => x.classList.toggle('wwd-shown', (i==ix))); }); }); </script> <script> let slideIndex = 1; showSlides(slideIndex); function plusSlides(n) { showSlides(slideIndex += n); } function currentSlide(n) { showSlides(slideIndex = n); } function showSlides(n) { let i; let slides = document.getElementsByClassName("slideshow"); let dots = document.getElementsByClassName("dot"); if (n > slides.length) {slideIndex = 1} if (n < 1) {slideIndex = slides.length} for (i = 0; i < slides.length; i++) { slides[i].style.display = "none"; } for (i = 0; i < dots.length; i++) { dots[i].className = dots[i].className.replace(" active", ""); } slides[slideIndex-1].style.display = "block"; dots[slideIndex-1].className += " active"; } </script> </div> <div id="soa-tmpl-content-footer" class="soa-tmpl-content-footer"> <div class="soa-tmpl-content-footer-left"> <div class="soa-tmpl-content-footer-social"> <a href="https://twitter.com/akdggs"> <img src="/template/img/twitter.png" alt="DGGS on Twitter" > </a> <a href="http://www.facebook.com/AKDGGS"> <img src="/template/img/facebook.png" alt="DGGS on Facebook" /> </a> <a href="http://feeds.feedburner.com/DggsNews"> <img src="/template/img/rss.png" alt="DGGS RSS Feed" /> </a> </div> <div class="soa-tmpl-content-footer-links"> <a href="//dnr.alaska.gov/shared/notices/accessibility.htm">Accessibility</a> <a href="//dnr.alaska.gov/shared/notices/privacy.htm">Privacy</a> <a href="//dnr.alaska.gov/shared/notices/copyright.htm">Copyright</a> </div> </div> <div class="soa-tmpl-content-footer-right"> <div class="soa-tmpl-content-footer-address-head"> Alaska Division of Geological & Geophysical Surveys </div> <div>3354 College Road</div> <div>Fairbanks, Alaska 99709</div> <div>Phone: (907) 451-5000</div> <div>Fax: (907) 451-5050</div> <div>Email: <a href="mailto:dggspubs@alaska.gov">dggspubs@alaska.gov</a></div> </div> </div> <div class="soa-tmpl-tail"> <div class="soa-tmpl-tail-links"> <a href="//alaska.gov/">State of Alaska</a> <a href="//my.alaska.gov/">myAlaska</a> <a href="//alaska.gov/akdir1.html">Departments</a> <a href="//alaska.gov/employeeHome.html">State Employees</a> </div> Copyright © 2025 · <a href="//alaska.gov/">State of Alaska</a> · <a href="//dggs.alaska.gov/">Division of Geological & Geophysical Surveys</a> · <a href="mailto:dnr.dggs.webapps@alaska.gov">Webmaster</a> </div> </body> </html>

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