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The quake had a very shallow depth of 30 km (19 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 | Fukushima | Miyagi | IbarakiHint: Click on the image to see different maps of this quake!Moderate magnitude 4.4 earthquake at 30 km depth20 Jul 01:21 UTC: First to report: EMSC after 6 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeJul 20, 2026 01:15:30 UTC - Local time at epicenterMonday, Jul 20, 2026, at 10:15 am (GMT +9)StatusconfirmedMagnitude4.40Depth30 kmEpicenter latitude / longitude37.5°N / 142°EJapanSeismic antipode37.5°S / 38°WShaking intensityIV Light shaking near epicenterFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoAdatara (152 km / 94 mi)Weather at epicenter at time of quakeClear Sky 22.7°C (73 F), humidity: 95%, wind: 3 m/s (7 kts) from SWEstimated seismic energy released2.5 x 1011 joules (69.8 megawatt hours, equivalent to 60 tons of TNT) | equivalent to ONE quake of magnitude 4.4 | about seismic energy21 minutes agoJul 20, 2026 01:15 GMT / Jul 20, 2026 10:15 am (GMT +9)Lat / Lng: 37.5 / 142: Off East Coast OF Honshu, JapanSource: EMSCOther sources: RaspberryShake: 4.4 / 30 km, NIED: 4.5 / 37 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23199638',37.50000,142.00000,'21 minutes ago: Mag. 4.4, Off East Coast OF Honshu, Japan',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 JapanNearby placesThe closest larger town where the quake might have been felt is Minami-Soma, a town with 59,000 inhabitants in Japan, in 91 km (57 mi) distance west 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. In the capital of Japan, Tokyo, 288 km (179 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(*)RegionCountry88 km (55 mi)W of epicenterKumamachi(pop: 847)III: WeakFutaba-gun, FukushimaJapan88 km (55 mi)W of epicenterNamie(pop: 21,900)III: WeakFutaba-gun, FukushimaJapan91 km (57 mi)W of epicenterMinami-Soma(pop: 59,000)III: WeakMinamisoma Shi, FukushimaJapan100 km (62 mi)W of epicenterSoma(pop: 34,900)II: Very weakSoma Shi, FukushimaJapan111 km (69 mi)SW of epicenterIwaki(pop: 357,300)II: Very weakFukushimaJapan117 km (73 mi)NW of epicenterWatari(pop: 33,500)II: Very weakMiyagiJapan119 km (74 mi)NW of epicenterIshinomaki(pop: 140,200)II: Very weakMiyagiJapan120 km (75 mi)NW of epicenterKakuda(pop: 33,200)II: Very weakMiyagiJapan121 km (75 mi)NW of epicenterIwanuma(pop: 44,100)II: Very weakMiyagiJapan123 km (76 mi)NW of epicenterNatori-shi(pop: 78,700)II: Very weakNatori Shi, MiyagiJapan124 km (77 mi)W of epicenterTamura(pop: 35,200)II: Very weakFukushimaJapan124 km (77 mi)NW of epicenterYamoto(pop: 32,000)II: Very weakHigashimatsushima Shi, MiyagiJapan124 km (77 mi)NW of epicenterHigashimatsushima(pop: 39,100)II: Very weakMiyagiJapan124 km (77 mi)NW of epicenterShiogama(pop: 52,700)II: Very weakMiyagiJapan125 km (78 mi)NW of epicenterTagajo-shi(pop: 62,800)II: Very weakTagajo Shi, MiyagiJapan129 km (80 mi)NW of epicenterRifu(pop: 36,000)II: Very weakMiyagi Gun, MiyagiJapan131 km (81 mi)NW of epicenterSendai(pop: 1,096,700)II: Very weakMiyagiJapan132 km (82 mi)NW of epicenterMurata(pop: 38,300)II: Very weakShibata-gun, MiyagiJapan134 km (83 mi)NW of epicenterShiroishi(pop: 33,300)II: Very weakMiyagiJapan136 km (85 mi)SW of epicenterKitaibaraki(pop: 41,800)II: Very weakIbarakiJapan137 km (85 mi)W of epicenterDate(pop: 59,600)II: Very weakFukushimaJapan138 km (86 mi)W of epicenterFukushima(pop: 294,200)II: Very weakFukushimaJapan139 km (86 mi)W of epicenterNihommatsu(pop: 53,600)II: Very weakNihonmatsu Shi, FukushimaJapan139 km (87 mi)NW of epicenterTomiya(pop: 52,400)II: Very weakMiyagiJapan143 km (89 mi)W of epicenterKoriyama(pop: 327,700)II: Very weakKoriyama Shi, FukushimaJapan145 km (90 mi)W of epicenterSukagawa(pop: 75,000)II: Very weakFukushimaJapan150 km (93 mi)NW of epicenterFurukawa(pop: 76,300)II: Very weakOsaki Shi, MiyagiJapan151 km (94 mi)NW of epicenterOsaki(pop: 128,800)II: Very weakOsaki Shi, MiyagiJapan153 km (95 mi)NW of epicenterTome(pop: 77,900)II: Very weakMiyagiJapan156 km (97 mi)SW of epicenterHitachi(pop: 174,500)II: Very weakIbarakiJapan159 km (99 mi)W of epicenterShirakawa(pop: 59,500)II: Very weakFukushimaJapan160 km (100 mi)N of epicenterKesennuma(pop: 61,100)II: Very weakMiyagiJapan164 km (102 mi)NW of epicenterKurihara(pop: 66,600)II: Very weakMiyagiJapan165 km (102 mi)NW of epicenterYamagata(pop: 248,800)II: Very weakYamagataJapan172 km (107 mi)NW of epicenterTendo(pop: 65,400)II: Very weakTendo Shi, YamagataJapan175 km (109 mi)NW of epicenterIchinoseki(pop: 114,500)II: Very weakIwateJapan179 km (111 mi)SW of epicenterHitachi-Naka(pop: 156,600)II: Very weakHitachinaka Shi, IbarakiJapan180 km (112 mi)SW of epicenterKatsuta(pop: 156,000)II: Very weakHitachinaka Shi, IbarakiJapan188 km (117 mi)SW of epicenterMito(pop: 270,700)II: Very weakIbarakiJapan288 km (179 mi)SW of epicenterTokyo(pop: 9,733,300)II: Very weakTokyoJapanNotes:(*) 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 GMT2026-07-20EpicenterAgency4.430 km19 mi01:15:30OFF EAST COAST OF HONSHU, JAPANEMSC (European-Mediterranean Seismological Centre)4.430 km19 mi01:15:00Off East Coast of Honshu, Japan0 km (0 mi) epicenter difference with EMSCRaspberryShake (RaspberryShake)4.537 km23 mi01:15:16E OFF FUKUSHIMA PREF2.9 km (1.8 mi) epicenter difference with EMSCNIED (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: Miyagi Marumori (JMM/JP network) | Distance from quake: 114 km / 71 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: Ibaraki Yasato (JYT/JP network) | Distance from quake: 214 km / 133 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 3 km2 (1 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 3 km (2 mi).[More info]Recorded aftershocks, latest first (0 quake)Jul 20, 2026 10:15 am (GMT +9)21 minutes ago4.430 km0 km - This quakeNorth Pacific Ocean, 91 km E of Minami-Soma, Fukushima, JapanMain Shock (this quake)MoreMap of aftershocksPrevious quakes in the same area of this earthquake21 minutes agoJul 20, 2026 01:15 GMT / Jul 20, 2026 10:15 am (GMT +9)Lat / Lng: 37.5 / 142: Off East Coast OF Honshu, JapanSource: EMSCOther sources: RaspberryShake: 4.4 / 30 km, NIED: 4.5 / 37 kmDetail info | You felt it? - Report it!',4.4,44, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',37.5,142,'21 minutes ago: Mag. 4.4, Off East Coast OF Honshu, Japan','Earthquake: Mag 4.4 / 30 km (19 mi) depth21 minutes agoJul 20, 2026 01:15 GMT / Jul 20, 2026 10:15 am (GMT +9)Lat / Lng: 37.5 / 142: Off East Coast OF Honshu, JapanSource: EMSCOther sources: RaspberryShake: 4.4 / 30 km, NIED: 4.5 / 37 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=23199638","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.