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The depth of the quake could not be determined, but is assumed to be shallow.The quake was not felt (or at least not reported so).Quake Data | Interactive map | Seismograms | User reports | Earlier quakes here | Quakes in Russia | Sakhalin Oblast | KamchatkaHint: Click on the image to see different maps of this quake!Strong magnitude 5.0 earthquake at unknown depth3 Aug 11:38 UTC: First to report: GFZ after 12 minutes.3 Aug 11:38: Now using data updates from EMSCI didn't feel itI felt this quakeEarthquake detailsDate & timeAug 3, 2026 11:26:37 UTC - Local time at epicenterMonday, Aug 3, 2026, at 11:26 am (Universal Time GMT +0)StatusconfirmedMagnitude5.00Depth10 kmEpicenter latitude / longitude50.04°N / 155.944°EKurilsky District, Sakhalin Oblast, RussiaSeismic antipode50.04°S / 24.056°WShaking intensityV Moderate shaking near epicenterFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoKarpinsky (42 km / 26 mi)Estimated seismic energy released2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) | equivalent to ONE quake of magnitude 5.0 | about seismic energy12 minutes agoAug 3, 2026 11:26 GMT / Aug 3, 2026 11:26 am (Universal Time)Lat / Lng: 50.04 / 155.944: Russia: Kuril IslandsSource: EMSCOther sources: GFZ: 5.1 / 10 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23240678',50.04000,155.94400,'12 minutes ago: Mag. 5.0, Russia: Kuril Islands',html,'quakes-7-24.png',30,30,15,15,126]); 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 KamchatkaNearby placesThe closest larger town where the quake might have been felt is Kasivobara, a town with 2,400 inhabitants in Russia, in 72 km (44 mi) distance north of the epicenter. People likely experienced weak shaking there.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry72 km (44 mi)N of epicenterKasivobara(pop: 2,420)III: WeakSakhalin OblastRussia167 km (104 mi)N of epicenterOzernovskiy(pop: 2,620)III: WeakKamchatkaRussia362 km (225 mi)NE of epicenterParatunka(pop: 1,770)II: Very weakKamchatkaRussia364 km (226 mi)NE of epicenterVilyuchinsk(pop: 25,200)II: Very weakKamchatkaRussia384 km (239 mi)NE of epicenterPetropavlovsk-Kamchatskiy(pop: 181,200)II: Very weakKamchatkaRussia389 km (241 mi)NE of epicenterYelizovo(pop: 40,700)II: Very weakKamchatkaRussia549 km (341 mi)N of epicenterMil'kovo(pop: 8,250)II: Very weakKamchatkaRussia807 km (501 mi)SW of epicenterKuril'sk(pop: 1,610)I: Not feltSakhalin OblastRussiaNotes:(*) 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 GMT2026-08-3EpicenterAgency5.010 km6.2 mi(*)11:26:37.84KURIL ISLANDSEMSC (European-Mediterranean Seismological Centre)5.0510 km6.2 mi(*)11:26:37.84Kuril Islands0 km (0 mi) epicenter difference with EMSCGFZ (German Research Centre for Geosciences)Notes:(*) A depth given as 10 km often means that the the depth of the quake could be not determined with sufficient accuracy."; HTMLcontent += ""; mainMap.addToMap("station"+id, lat, lon, title,HTMLcontent); mainMap.map.panTo([lat,lon]); document.getElementById("map_canvas").scrollIntoView();}document.addEventListener("DOMContentLoaded", function () { var section = document.getElementById("seismogramSection"); if (!section) return; var images = section.querySelectorAll("img.waitBg"); if (!images.length) return; images.forEach(function(img, index){ img.addEventListener("error", function(){ // If the first image fails, hide the whole section. if (index === 0) { // Remove TOC entry var tocLink = document.querySelector('#toc .tocLink[data-href="seismogramSection"]'); if (tocLink) {tocLink.remove()} // Remove whole section section.remove(); } // Otherwise remove only this station. var plot = img.closest(".plotContainer"); if (!plot) return; var station = plot.previousElementSibling; var caption = plot.nextElementSibling; if (station) station.remove(); plot.remove(); if (caption) caption.remove(); // Remove empty "Show more" var more = document.getElementById("moreSeismograms"); if (more && !more.querySelector(".plotContainer")) { more.remove(); var btn = document.getElementById("moreSeismograms_1"); if (btn) btn.remove(); } // Hide section if nothing remains. if (!section.querySelector(".plotContainer")) { section.style.display = "none"; } }, { once: true }); });});]]>SeismogramsSeismic station: Petropavlovsk, Russia (PET/IU network) | Distance from quake: 381 km / 237 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: 0.1-5.0 Hz. Source: NSF SAGE Facility IRISWS timeseriesplot Web ServiceSeismic station: Yuzhno Sakhalinsk, Russia (YSS/IU network) | Distance from quake: 1028 km / 639 mi | Show on map | Station InfoShow morePrevious quakes in the same area of this earthquake12 minutes agoAug 3, 2026 11:26 GMT / Aug 3, 2026 11:26 am (Universal Time)Lat / Lng: 50.04 / 155.944: Russia: Kuril IslandsSource: EMSCOther sources: GFZ: 5.1 / 10 kmDetail info | You felt it? - Report it!',5.0,50, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',50.04,155.944,'12 minutes ago: Mag. 5.0, Russia: Kuril Islands','Earthquake: Mag 5.0 / 10 km (6.2 mi) depth12 minutes agoAug 3, 2026 11:26 GMT / Aug 3, 2026 11:26 am (Universal Time)Lat / Lng: 50.04 / 155.944: Russia: Kuril IslandsSource: EMSCOther sources: GFZ: 5.1 / 10 kmDetail 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=23240678","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.