Strong magnitude 5.1 earthquake at unknown depth23 Aug 04:32 UTC: First to report: GFZ after 11 minutes.23 Aug 04:33: Now using data updates from EMSCI didn't feel itI felt this quakeEarthquake detailsDate & timeAug 23, 2025 04:22:27 UTC - Local time at epicenterSaturday, Aug 23, 2025, at 04:22 am (Universal Time GMT +0)StatusconfirmedMagnitude5.1Depth10 kmEpicenter latitude / longitude51.975°N / 160.201°ERussiaSeismic antipode51.975°S / 19.799°WShaking intensityV Moderate shaking near epicenterFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoMutnovsky (147 km / 91 mi)Weather at epicenter at time of quakeClear Sky 12.5°C (55 F), humidity: 88%, wind: 10 m/s (19 kts) from WSWEstimated seismic energy released2.8 x 1012 joules (783 megawatt hours, equivalent to 674 tons of TNT) | equivalent to ONE quake of magnitude 5.1 | about seismic energy11 minutes agoAug 23, 2025 04:22 GMT / Aug 23, 2025 04:22 am (Universal Time)Lat / Lng: 51.975 / 160.201: Russia: Off East Coast of KamchatkaSource: EMSCOther sources: GFZ: 5.3 / 10 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-22091306',51.97500,160.20100,'11 minutes ago: Mag. 5.1, Russia: Off East Coast of Kamchatka',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 Petropavlovsk-Kamchatskiy, a city with more than 180,000 inhabitants in Russia, in 161 km (100 mi) distance northwest 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(*)RegionCountry161 km (100 mi)NW of epicenterPetropavlovsk-Kamchatskiy(pop: 181,200)III: WeakKamchatkaRussia162 km (100 mi)NW of epicenterVilyuchinsk(pop: 25,200)III: WeakKamchatkaRussia171 km (107 mi)NW of epicenterParatunka(pop: 1,770)III: WeakKamchatkaRussia183 km (113 mi)NW of epicenterYelizovo(pop: 40,700)III: WeakKamchatkaRussia260 km (162 mi)W of epicenterOzernovskiy(pop: 2,620)II: Very weakKamchatkaRussia318 km (198 mi)SW of epicenterSevero-Kuril'sk(pop: 2,420)II: Very weakSakhalin OblastRussia320 km (199 mi)N of epicenterMil'kovo(pop: 8,250)II: Very weakKamchatkaRussia406 km (252 mi)N of epicenterAtlasovo(pop: 5,000)II: Very weakKamchatkaRussia450 km (280 mi)N of epicenterEsso(pop: 1,970)II: Very weakKamchatkaRussia454 km (282 mi)N of epicenterKozyrevsk(pop: 1,240)II: Very weakKamchatkaRussia485 km (301 mi)N of epicenterKlyuchi(pop: 10,000)II: Very weakKamchatkaRussia496 km (308 mi)N of epicenterUst’-Kamchatsk Staryy(pop: 4,940)II: Very weakKamchatkaRussia524 km (326 mi)NE of epicenterNikol'skoye(pop: 613)II: Very weakKamchatkaRussiaNotes:(*) 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!Compare 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 GMT2025-08-23EpicenterAgency5.110 km6.2 mi(*)04:22:27.35OFF EAST COAST OF KAMCHATKAEMSC (European-Mediterranean Seismological Centre)5.3510 km6.2 mi(*)04:22:27.35Off East Coast of Kamchatka0 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.Earthquake statisticsAverage number of earthquakesBased on data from the past 25 years and our earthquake archive back to 1900, there are about 291 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 7 or higher: 0.04 quakes per year (or 1 quake every 25 years)Mag. 6 or higher: 0.58 quakes per year (or 1 quake every 1.7 years)Mag. 5 or higher: 10.8 quakes per yearMag. 4 or higher: 126 quakes per year (or 10.5 quakes per month)Mag. 3 or higher: 213 quakes per year (or 17.8 quakes per month)Mag. 2 or higher: 257 quakes per year (or 21.4 quakes per month)Mag. 1 or higher: 265 quakes per year (or 22.1 quakes per month)The area where this quake occurred has a very high level of seismic activity. It has had at least 2 quakes above magnitude 8 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 60 to 65 years.Number of quakes per yearPrevious quakes in the same area of this earthquake