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The quake had a very shallow depth of 14.9 km (9 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | Seismograms | User reports | Aftershocks | Earlier quakes here | Quakes in the US | AlaskaHint: Click on the image to see different maps of this quake!Moderate magnitude 4.3 earthquake at 15 km depth18 Jul 10:03 UTC: First to report: EMSC after 2 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeJul 18, 2026 10:00:51 UTC - Local time at epicenterSaturday, Jul 18, 2026, at 10:00 am (Universal Time GMT +0)Statuspreliminary (automatic detection)Magnitude4.30Depth14.9 kmEpicenter latitude / longitude56.049°N / 153.141°WUnited StatesSeismic antipode56.049°S / 26.859°EShaking intensityIV Light shaking near epicenterFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoUnnamed 57.87°N/155.42°W (245 km / 152 mi)Estimated seismic energy released1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 tons of TNT) | equivalent to ONE quake of magnitude 4.3 | about seismic energy3 minutes agoJul 18, 2026 10:00 GMT / Jul 18, 2026 10:00 am (Universal Time)Lat / Lng: 56.049 / -153.141: Kodiak Island Region, AlaskaSource: EMSCDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23195504',56.04900,-153.14100,'3 minutes ago: Mag. 4.3, Kodiak Island Region, Alaska',html,'quakes-6-24.png',25,25,12,12,125]); function mkRep(id,notFelt){var nFelt=notFelt||false;var src="https://www.volcanoesandearthquakes.com/app/earthquake-report.php?quakeId="+id;if(nFelt==true){src+="¬Felt=true";}window.open(src,"","status=0,toolbar=0,location=0,directories=0,menubar=0,resizable=1,scrollbars=1,height=400,width=350");} function locationHashChanged(e){-1!=e.oldURL.indexOf("#popupMap")&&closePopup()} window.onhashchange = locationHashChanged; function comment(e){var t=e.parentNode,a=(t.dataset.id,document.getElementById("commentForm"));"none"==a.style.display?(t.appendChild(a),a.style.display="block"):a.style.display="none"}function sendComment(e){var t=e.parentNode,a=t.parentNode.dataset.id,n=document.getElementById("commentContent"),p=n.value.trim();if(p){var o="id="+a+"&quakeId="+thisQuakeId;o+="&comment="+decodeURIComponent(p),mkRequest("//reports.volcanodiscovery.com/app/eqReportComment.php","post",o,function(e){e.responseText;alert("Thank you for submitting your comment!"),t.style.display="none",n.value=""})}}function flagReport(e){var t=e.parentNode.dataset.id;if(confirm("Report this as inappropriate?")){var a="id="+t+"&quakeId="+thisQuakeId+"&flagAsInappropriate=1";mkRequest("//reports.volcanodiscovery.com/app/eqReportComment.php","post",a,function(t){var a=t.responseText;alert(a),e.style.display="none"})}}function likeReport(e){var t="id="+e.parentNode.dataset.id+"&quakeId="+thisQuakeId+"&like=1";mkRequest("//reports.volcanodiscovery.com/app/eqReportComment.php","post",t,function(t){t.responseText;e.style.opacity=.5})}]]>[smaller] [bigger]Most recent quakes Top 20 past 24 hrs Quakes in the USNearby placesThe closest larger town where the quake might have been felt is Akhiok, a town with 72 inhabitants in the United States, in 118 km (73 mi) distance northwest of the epicenter. People likely experienced very weak shaking there.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry118 km (73 mi)NW of epicenterAkhiok(pop: 72)II: Very weakKodiak Island Borough, AlaskaUnited States129 km (80 mi)N of epicenterOld Harbor(pop: 221)II: Very weakKodiak Island Borough, AlaskaUnited States174 km (108 mi)N of epicenterLarsen Bay(pop: 88)II: Very weakKodiak Island Borough, AlaskaUnited States181 km (113 mi)N of epicenterChiniak(pop: 47)II: Very weakKodiak Island Borough, AlaskaUnited States184 km (114 mi)N of epicenterWomens Bay(pop: 719)II: Very weakKodiak Island Borough, AlaskaUnited States187 km (116 mi)NW of epicenterKarluk(pop: 37)II: Very weakKodiak Island Borough, AlaskaUnited States194 km (120 mi)N of epicenterKodiak Station(pop: 1,300)II: Very weakKodiak Island Borough, AlaskaUnited States199 km (123 mi)N of epicenterKodiak(pop: 6,250)II: Very weakAlaskaUnited States203 km (126 mi)N of epicenterPort Lions(pop: 197)II: Very weakKodiak Island Borough, AlaskaUnited States224 km (139 mi)N of epicenterAleneva(pop: 37)II: Very weakKodiak Island Borough, AlaskaUnited States306 km (190 mi)NW of epicenterUgashik(pop: 12)I: Not feltLake and Peninsula Borough, AlaskaUnited States318 km (198 mi)NW of epicenterPilot Point(pop: 65)I: Not feltLake and Peninsula Borough, AlaskaUnited States351 km (218 mi)NW of epicenterEgegik(pop: 106)I: Not feltLake and Peninsula Borough, AlaskaUnited States361 km (225 mi)NW of epicenterKing Salmon(pop: 374)I: Not feltBristol Bay Borough, AlaskaUnited States378 km (235 mi)NW of epicenterNaknek(pop: 544)I: Not feltBristol Bay Borough, AlaskaUnited StatesNotes:(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.User-reports for this quakeThere are no user reports for this quake yet.If you felt it, be the first to report it!Get the Android appCompare Quake DataData for the same earthquake as reported by different agenciesThe more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.MagDepthTime GMT2026-07-18EpicenterAgency4.315 km9.3 mi10:00:51.494KODIAK ISLAND REGION, ALASKAEMSC (European-Mediterranean Seismological Centre)"; HTMLcontent += ""; mainMap.addToMap("station"+id, lat, lon, title,HTMLcontent); mainMap.map.panTo([lat,lon]); document.getElementById("map_canvas").scrollIntoView();}]]>SeismogramsSeismic station: Sitkinak Island Coast Guard, AK, USA (SII/AK network) | Distance from quake: 86 km / 53 mi | Show on map | Station InfoSeismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-5.0 Hz. Source: NSF SAGE Facility IRISWS timeseriesplot Web ServiceSeismic station: Old Harbor, Alaska (OHAK/AT network) | Distance from quake: 131 km / 81 mi | Show on map | Station InfoShow moreAftershocks for this quakeNo aftershocks have been recorded so far. When aftershocks are detected, we will update this section.What are aftershocks?Larger earthquakes (above magnitude 5 or so) such as this one are usually followed by smaller ones known as aftershocks that occur in the same area during the days, weeks, months or even years after the main shock.[More info]What about this quake?Based on its magnitude, the fault that was active during the quake likely ruptured beneath a surface area of approximately 2 km2 (1 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 2 km (2 mi).[More info]Recorded aftershocks, latest first (0 quake)Jul 18, 2026 10:00 am (Universal Time)3 minutes ago4.315 km0 km - This quakeKodiak Island Region, AlaskaMain Shock (this quake)MoreMap of aftershocksPrevious quakes in the same area of this earthquake3 minutes agoJul 18, 2026 10:00 GMT / Jul 18, 2026 10:00 am (Universal Time)Lat / Lng: 56.049 / -153.141: Kodiak Island Region, AlaskaSource: EMSCDetail info | You felt it? - Report it!',4.3,43, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',56.049,-153.141,'3 minutes ago: Mag. 4.3, Kodiak Island Region, Alaska','Earthquake: Mag 4.3 / 15 km (9.3 mi) depth3 minutes agoJul 18, 2026 10:00 GMT / Jul 18, 2026 10:00 am (Universal Time)Lat / Lng: 56.049 / -153.141: Kodiak Island Region, AlaskaSource: EMSCDetail info | You felt it? - Report it!','default'); // this will be local to this table obj function putQuakeOnMap(id,lat,lon,time,title,html,mag,zIndex) { qTableOlder.putQuakeOnMap(id,lat,lon,time,title,html,mag,zIndex); } map2.circleScale=0.5;qTableOlder.usePalette=1;qTableOlder.startVal=qTableOlder.referenceTime-(80*365.25*86400);qTableOlder.endVal=qTableOlder.referenceTime; qTableOlder.assignMap(map2); (async function(){await new Promise(r => setTimeout(r,4000));map2.map.setZoom(7)})(); })(); (function(){let done=false;async function loadPrevious(){if(done)return;done=true;while(typeof mkRequest=="undefined")await new Promise(r=>setTimeout(r,500));mkRequest("https://server2.allquakes.com/api/getPrevious.php?quakeId=23195504","get","",function(httpObj){let r=httpObj.responseText,d=document;if(""!=r&&200==httpObj.status){let o=JSON.parse(r);if(!o){let s=d.getElementById("olderQuakesSection");if(s)s.remove();return};let table=d.getElementById("qTableOlder");if(!table)return;table.innerHTML+=o.tableRows,qTableOlder.alternateBg();let ph=d.getElementById("placeholder_largestQText");if(ph)ph.innerHTML=o.html;let wrap=d.getElementById("sectionPreviousCWrap");if(wrap)wrap.style.display="";eval(o.js)}})}let d=document,target=d.getElementById("sectionPreviousCWrap")||d.getElementById("placeholder_largestQText")||d.getElementById("qTableOlder");if(!target||!("IntersectionObserver" in window)){loadPrevious();return}let obs=new IntersectionObserver(function(entries){if(entries.some(e=>e.isIntersecting)){obs.disconnect();loadPrevious()}},{rootMargin:"300px 0px"});obs.observe(target)})();]]>Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.