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The quake had a moderate depth of 78 km (49 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | Seismograms | User reports | Aftershocks | Earlier quakes here | Quakes in Russia | Quakes in Japan | Sakhalin Oblast | HokkaidoHint: Click on the image to see different maps of this quake!Strong magnitude 5.0 earthquake at 78 km depth20 Sep 23:33 UTC: First to report: RaspberryShake after 7 minutes.20 Sep 23:35: Now using data updates from RENASSI didn't feel itI felt this quakeEarthquake detailsDate & timeSep 20, 2026 23:25:40 UTC - Local time at epicenterMonday, Sep 21, 2026, at 10:25 am (GMT +11)Statusunconfirmed (uncertain whether an earthquake with these data happened)Magnitude5.04Depth78 kmEpicenter latitude / longitude43.6346°N / 146.4863°EKurilsky District, Sakhalin Oblast, RussiaAlso near: Japan 61 km (38 mi) awaySeismic antipode43.6346°S / 33.514°WShaking intensityIII Weak shaking near epicenterFelt0 reportsPrimary data sourceRENASS (Réseau National de Surveillance Sismique (RéNaSS))Nearest volcanoMendeleev (72 km / 45 mi)Weather at epicenter at time of quakeOvercast Clouds 15.6°C (60 F), humidity: 96%, wind: 3 m/s (6 kts) from ESEEstimated 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 energy11 minutes agoSep 20, 2026 23:25 GMT / Sep 21, 2026 10:25 am (GMT +11)Lat / Lng: 43.63455 / 146.48631: Russia: Near SapporoSource: RENASSOther sources: RaspberryShake: 4.7 / 50 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23378817',43.63455,146.48631,'11 minutes ago: Mag. 5.0, Russia: Near Sapporo',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 Nemuro, a town with 31,000 inhabitants in Japan, in 81 km (50 mi) distance southwest of the epicenter. People likely experienced weak shaking there. Several smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry26 km (16 mi)NE of epicenterShikotan(pop: 2,100)III: WeakSakhalin OblastRussia67 km (41 mi)NW of epicenterYuzhno-Kurilsk(pop: 7,780)III: WeakSakhalin OblastRussia81 km (50 mi)SW of epicenterNemuro(pop: 31,200)III: WeakHokkaidoJapan109 km (68 mi)W of epicenterShibetsu(pop: 21,700)III: WeakHokkaidoJapan112 km (70 mi)NW of epicenterRausu(pop: 5,400)III: WeakMenashi-gun, HokkaidoJapan122 km (76 mi)W of epicenterNakashibetsu(pop: 24,000)III: WeakShibetsu-gun, HokkaidoJapan124 km (77 mi)SW of epicenterHamanaka-sakuraminami(pop: 5,510)III: WeakAkkeshi-gun, HokkaidoJapan148 km (92 mi)SW of epicenterAkkeshi(pop: 8,920)III: WeakHokkaidoJapan149 km (93 mi)W of epicenterHonmachi(pop: 11,900)III: WeakShari-gun, HokkaidoJapan160 km (100 mi)W of epicenterShibecha(pop: 7,230)III: WeakKawakami-gun, HokkaidoJapan161 km (100 mi)W of epicenterTeshikaga(pop: 7,630)III: WeakKawakami-gun, HokkaidoJapan164 km (102 mi)W of epicenterKoshimizu(pop: 5,030)III: WeakShari-gun, HokkaidoJapan182 km (113 mi)W of epicenterTsurui(pop: 2,560)III: WeakAkan-gun, HokkaidoJapan183 km (114 mi)W of epicenterAbashiri(pop: 35,800)III: WeakHokkaidoJapan186 km (116 mi)SW of epicenterKushiro(pop: 167,900)III: WeakHokkaidoJapan189 km (117 mi)W of epicenterOzora(pop: 7,430)III: WeakAbashiri-gun, HokkaidoJapan193 km (120 mi)W of epicenterMotomachi(pop: 23,000)III: WeakAbashiri-gun, HokkaidoJapan198 km (123 mi)W of epicenterHoncho(pop: 5,010)II: Very weakAbashiri-gun, HokkaidoJapan208 km (129 mi)W of epicenterShiranuka(pop: 7,970)II: Very weakHokkaidoJapan209 km (130 mi)NE of epicenterKuril'sk(pop: 1,610)II: Very weakSakhalin OblastRussia209 km (130 mi)W of epicenterKitami(pop: 119,100)II: Very weakHokkaidoJapan221 km (137 mi)W of epicenterToppushi(pop: 4,880)II: Very weakTokoro-gun, HokkaidoJapan221 km (137 mi)W of epicenterMotomachi(pop: 4,680)II: Very weakTokoro-gun, HokkaidoJapan233 km (145 mi)W of epicenterOketo(pop: 3,040)II: Very weakTokoro-gun, HokkaidoJapan239 km (148 mi)W of epicenterKamihonbetsu(pop: 6,620)II: Very weakNakagawa-gun, HokkaidoJapan240 km (149 mi)W of epicenterEngaru(pop: 19,200)II: Very weakMonbetsu Gun, HokkaidoJapan242 km (150 mi)W of epicenterAshoro(pop: 7,150)II: Very weakHokkaidoJapan247 km (154 mi)W of epicenterHoncho(pop: 5,020)II: Very weakTokachi-gun, HokkaidoJapan258 km (160 mi)W of epicenterIkeda(pop: 6,930)II: Very weakNakagawa-gun, HokkaidoJapan263 km (163 mi)W of epicenterMombetsu(pop: 23,000)II: Very weakMonbetsu Shi, HokkaidoJapan267 km (166 mi)W of epicenterShihoro(pop: 5,850)II: Very weakKato-gun, HokkaidoJapan269 km (167 mi)W of epicenterSarubetsu(pop: 25,800)II: Very weakNakagawa-gun, HokkaidoJapan275 km (171 mi)W of epicenterOtofuke(pop: 44,200)II: Very weakKato-gun, HokkaidoJapan278 km (172 mi)W of epicenterObihiro(pop: 166,500)II: Very weakHokkaidoJapan288 km (179 mi)W of epicenterShikaoi(pop: 5,270)II: Very weakKato-gun, HokkaidoJapan290 km (180 mi)SW of epicenterTaiki(pop: 5,420)II: Very weakHiroo-gun, HokkaidoJapan291 km (181 mi)W of epicenterMemuro-minami(pop: 18,000)II: Very weakKasai-gun, HokkaidoJapan300 km (186 mi)W of epicenterShimizu(pop: 9,780)II: Very weakKamikawa-gun (Tokachi), HokkaidoJapan300 km (186 mi)SW of epicenterHiroo(pop: 7,180)II: Very weakHokkaidoJapan471 km (293 mi)NW of epicenterYuzhno-Sakhalinsk(pop: 199,000)II: Very weakSakhalin 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 GMT2026-09-20EpicenterAgency5.0478 km49 mi23:25:40.7near SapporoRENASS (Réseau National de Surveillance Sismique (RéNaSS))4.750 km31 mi23:25:00Kuril Islands21 km (13 mi) epicenter difference with RENASSRaspberryShake (RaspberryShake)"; 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: Erimo, Hokkaido Island, Japan (ERM/II network) | Distance from quake: 326 km / 202 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: 471 km / 292 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 10 km2 (4 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 5 km (3 mi).[More info]Recorded aftershocks, latest first (0 quake)Sep 21, 2026 10:25 am (GMT +11)11 minutes ago5.078 km0 km - This quakeSea of Okhotsk, 13 km E of Taraku-jima Island, Sakhalin Oblast, RussiaMain Shock (this quake)MoreMap of aftershocksEarthquake statisticsAverage number of earthquakesBased on data from the past 26 years and our earthquake archive back to 1900, there are about 375 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 7 or higher: 0.07 quakes per year (or 1 quake every 14.1 years)Mag. 6 or higher: 0.54 quakes per year (or 1 quake every 1.8 years)Mag. 5 or higher: 4.3 quakes per yearMag. 4 or higher: 35.8 quakes per year (or 3 quakes per month)Mag. 3 or higher: 120 quakes per year (or 10 quakes per month)Mag. 2 or higher: 292 quakes per year (or 24.3 quakes per month)Mag. 1 or higher: 367 quakes per year (or 30.6 quakes per month)The area where this quake occurred has a very high level of seismic activity. It has had at least 9 quakes above magnitude 7 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 10 to 15 years.Number of quakes per yearPrevious quakes in the same area of this earthquake