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The quake had a great depth of 449 km (279 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | Seismograms | User reports | Aftershocks | Earlier quakes here | Quakes in Japan | Tokyo | Shizuoka | Mie-kenHint: Click on the image to see different maps of this quake!Strong magnitude 5.4 earthquake at 449 km depth31 May 11:36 UTC: First to report: NIED after 7 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeMay 31, 2025 11:28:47 UTC - Local time at epicenterSaturday, May 31, 2025, at 08:28 pm (GMT +9)Statusunconfirmed (uncertain whether an earthquake with these data happened)Magnitude5.4Depth449 kmEpicenter latitude / longitude30.444°N / 139.041°EJapanSeismic antipode30.444°S / 40.959°WShaking intensityII Very weak shakingFelt0 reportsPrimary data sourceNIED (National Research Institute for Earth Science and Disaster Resilience)Nearest volcanoTori-shima (121 km / 75 mi)Estimated seismic energy released7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 atomic bombs!) | equivalent to ONE quake of magnitude 5.4 | about seismic energy8 minutes agoMay 31, 2025 11:28 GMT / May 31, 2025 08:28 pm (GMT +9)Lat / Lng: 30.444 / 139.041: Japan: Near Torishima ISSource: NIEDDetail info | You felt it? - Report it!';storedMarkers.push(['quake-21820759',30.44400,139.04100,'8 minutes ago: Mag. 5.4, Japan: Near Torishima IS',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 JapanNearby placesThe closest larger town where the quake might have been felt is Hachijo, a town with 7,200 inhabitants in Japan, in 304 km (189 mi) distance north of the epicenter. People likely experienced very weak shaking there. In the capital of Japan, Tokyo, 587 km (365 mi) away from the epicenter, the earthquake was probably felt as very weak shaking.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry304 km (189 mi)N of epicenterHachijo(pop: 7,210)II: Very weakHachijo Shicho, TokyoJapan486 km (302 mi)N of epicenterIwata(pop: 88,500)II: Very weakShizuokaJapan489 km (304 mi)N of epicenterHamamatsu(pop: 791,700)II: Very weakShizuokaJapan490 km (305 mi)N of epicenterKakegawa(pop: 117,900)II: Very weakShizuokaJapan490 km (305 mi)N of epicenterFukuroi(pop: 88,400)II: Very weakShizuokaJapan493 km (306 mi)N of epicenterShimada(pop: 95,600)II: Very weakShizuokaJapan497 km (309 mi)N of epicenterYaizu(pop: 139,600)II: Very weakShizuokaJapan497 km (309 mi)N of epicenterFujieda(pop: 145,000)II: Very weakShizuokaJapan499 km (310 mi)N of epicenterHamakita(pop: 86,500)II: Very weakHamamatsu Shi, ShizuokaJapan500 km (311 mi)NW of epicenterIse(pop: 123,500)II: Very weakMie-kenJapan505 km (314 mi)N of epicenterToyohashi(pop: 377,500)II: Very weakAichi-kenJapan509 km (316 mi)N of epicenterShizuoka(pop: 690,900)II: Very weakShizuokaJapan510 km (317 mi)N of epicenterToyokawa(pop: 184,700)II: Very weakAichi-kenJapan518 km (322 mi)N of epicenterNumazu(pop: 189,500)II: Very weakShizuokaJapan520 km (323 mi)N of epicenterMishima(pop: 107,900)II: Very weakShizuokaJapan526 km (327 mi)N of epicenterNishio(pop: 170,000)II: Very weakAichi-kenJapan526 km (327 mi)N of epicenterFuji(pop: 245,000)II: Very weakShizuokaJapan531 km (330 mi)N of epicenterOkazaki(pop: 384,700)II: Very weakAichi-kenJapan532 km (330 mi)N of epicenterHanda(pop: 117,900)II: Very weakAichi-kenJapan532 km (331 mi)N of epicenterFujinomiya(pop: 132,500)II: Very weakShizuokaJapan532 km (331 mi)NW of epicenterTsu(pop: 163,500)II: Very weakMie-kenJapan535 km (332 mi)N of epicenterAnjo(pop: 188,700)II: Very weakAnjo Shi, Aichi-kenJapan535 km (333 mi)N of epicenterOdawara(pop: 188,500)II: Very weakKanagawaJapan540 km (336 mi)N of epicenterKariya(pop: 153,800)II: Very weakAichi-kenJapan541 km (336 mi)N of epicenterYokosuka(pop: 409,500)II: Very weakKanagawaJapan543 km (338 mi)N of epicenterKamakura(pop: 172,900)II: Very weakKanagawaJapan544 km (338 mi)N of epicenterHiratsuka(pop: 257,300)II: Very weakKanagawaJapan557 km (346 mi)NW of epicenterWakayama(pop: 351,000)II: Very weakWakayamaJapan558 km (347 mi)N of epicenterYokohama(pop: 3,761,600)II: Very weakKanagawaJapan561 km (348 mi)NW of epicenterNara-shi(pop: 367,400)II: Very weakNaraJapan563 km (350 mi)N of epicenterNagoya(pop: 2,332,200)II: Very weakAichi-kenJapan577 km (359 mi)NW of epicenterOsaka(pop: 2,753,900)II: Very weakOsakaJapan582 km (362 mi)N of epicenterChiba(pop: 979,800)II: Very weakChibaJapan583 km (362 mi)NW of epicenterTokushima(pop: 267,300)II: Very weakTokushimaJapan583 km (362 mi)N of epicenterKofu(pop: 188,000)II: Very weakKofu-shi, YamanashiJapan587 km (365 mi)N of epicenterTokyo(pop: 8,336,600)II: Very weakTokyoJapan587 km (365 mi)NW of epicenterOtsu(pop: 344,000)II: Very weakOtsu Shi, ShigaJapan593 km (369 mi)N of epicenterGifu(pop: 402,600)II: Very weakGifuJapan595 km (370 mi)NW of epicenterKyoto(pop: 1,463,700)II: Very weakKyōto, KyotoJapan595 km (370 mi)NW of epicenterKobe(pop: 1,525,200)II: Very weakKobe, HyōgoJapanNotes:(*) 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 GMT2025-05-31EpicenterAgency5.4449 km279 mi11:28:47NEAR TORISHIMA ISNIED (National Research Institute for Earth Science and Disaster Resilience)"; HTMLcontent += ""; mainMap.addToMap("station"+id, lat, lon, title,HTMLcontent); mainMap.map.panTo([lat,lon]); document.getElementById("map_canvas").scrollIntoView();}]]>SeismogramsSeismic station: Matsushiro, Japan (MAJO/IU network) | Distance from quake: 683 km / 424 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: 0.02-4.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtoolShow 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 25 km2 (10 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 9 km (5 mi).[More info]Recorded aftershocks, latest first (0 quake)May 31, 2025 08:28 pm (GMT +9)8 minutes ago5.4449 km0 km - This quakeJapan: Near Torishima ISMain Shock (this quake)MoreMap of aftershocksPrevious quakes in the same area of this earthquake8 minutes agoMay 31, 2025 11:28 GMT / May 31, 2025 08:28 pm (GMT +9)Lat / Lng: 30.444 / 139.041: Japan: Near Torishima ISSource: NIEDDetail info | You felt it? - Report it!',5.4,54, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',30.444,139.041,'8 minutes ago: Mag. 5.4, Japan: Near Torishima IS','Earthquake: Mag 5.4 / 449 km (279 mi) depth8 minutes agoMay 31, 2025 11:28 GMT / May 31, 2025 08:28 pm (GMT +9)Lat / Lng: 30.444 / 139.041: Japan: Near Torishima ISSource: NIEDDetail 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)})(); })(); (async function(){while(typeof mkRequest=="undefined")await new Promise(r=>setTimeout(r,500));mkRequest("https://server2.allquakes.com/api/getPrevious.php?quakeId=21820759","get","",function(httpObj){let r=httpObj.responseText,d=document;if(""!=r&&200==httpObj.status){let o=JSON.parse(r);if(!o){d.getElementById("olderQuakesSection").remove();return};let table=d.getElementById("qTableOlder");table.innerHTML+=o.tableRows,qTableOlder.alternateBg(),d.getElementById("placeholder_largestQText").innerHTML=o.html,d.getElementById("sectionPreviousCWrap").style.display="",eval(o.js)}})})();]]>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.