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The quake had a shallow depth of 60 km (37 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 | Miyagi | Iwate | FukushimaHint: Click on the image to see different maps of this quake!Moderate magnitude 4.0 earthquake at 60 km depth21 Jul 15:00 UTC: First to report: EMSC after 5 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeJul 21, 2026 14:55:30 UTC - Local time at epicenterTuesday, Jul 21, 2026, at 11:55 pm (GMT +9)Statuspreliminary (automatic detection)Magnitude4.00Depth60 kmEpicenter latitude / longitude38.3°N / 141.8°EIshinomaki Shi, Miyagi, JapanSeismic antipode38.3°S / 38.2°WShaking intensityII Very weak shakingFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoAdachi (101 km / 63 mi)Estimated seismic energy released6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) | equivalent to ONE quake of magnitude 4.0 | about seismic energy5 minutes agoJul 21, 2026 14:55 GMT / Jul 21, 2026 11:55 pm (GMT +9)Lat / Lng: 38.3 / 141.8: Near East Coast OF Honshu, JapanSource: EMSCDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23204163',38.30000,141.80000,'5 minutes ago: Mag. 4.0, Near 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 Sendai, a city of 1.1 million people in Japan, in 82 km (51 mi) distance west of the epicenter. People likely experienced very weak shaking there. Many smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking. In the capital of Japan, Tokyo, 345 km (215 mi) away from the epicenter, the earthquake could not be felt.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry35 km (22 mi)NW of epicenterOnagawa Cho(pop: 6,430)II: Very weakOshika Gun, MiyagiJapan46 km (28 mi)W of epicenterIshinomaki(pop: 140,200)II: Very weakMiyagiJapan52 km (32 mi)NW of epicenterMinamisanriku(pop: 12,200)II: Very weakMotoyoshi Gun, MiyagiJapan53 km (33 mi)W of epicenterYamoto(pop: 32,000)II: Very weakHigashimatsushima Shi, MiyagiJapan56 km (34 mi)W of epicenterHigashimatsushima(pop: 39,100)II: Very weakMiyagiJapan64 km (40 mi)NW of epicenterWakuya(pop: 15,800)II: Very weakToda Gun, MiyagiJapan64 km (40 mi)W of epicenterShobudahama(pop: 18,100)II: Very weakMiyagi Gun, MiyagiJapan65 km (40 mi)W of epicenterMatsushima(pop: 16,400)II: Very weakMiyagi Gun, MiyagiJapan67 km (42 mi)W of epicenterShiogama(pop: 52,700)II: Very weakMiyagiJapan69 km (43 mi)W of epicenterKogota-ekimae(pop: 24,000)II: Very weakToda Gun, MiyagiJapan70 km (43 mi)N of epicenterKesennuma(pop: 61,100)II: Very weakMiyagiJapan70 km (43 mi)W of epicenterTagajo-shi(pop: 62,800)II: Very weakTagajo Shi, MiyagiJapan71 km (44 mi)NW of epicenterKogota(pop: 19,800)II: Very weakToda Gun, MiyagiJapan72 km (45 mi)W of epicenterRifu(pop: 36,000)II: Very weakMiyagi Gun, MiyagiJapan72 km (45 mi)NW of epicenterTome(pop: 77,900)II: Very weakMiyagiJapan79 km (49 mi)NW of epicenterOsaki(pop: 128,800)II: Very weakOsaki Shi, MiyagiJapan80 km (49 mi)NW of epicenterFurukawa(pop: 76,300)II: Very weakOsaki Shi, MiyagiJapan80 km (50 mi)W of epicenterTomiya(pop: 52,400)II: Very weakMiyagiJapan81 km (50 mi)N of epicenterRikuzen-Takata(pop: 18,300)II: Very weakIwateJapan81 km (51 mi)W of epicenterNatori-shi(pop: 78,700)II: Very weakNatori Shi, MiyagiJapan82 km (51 mi)W of epicenterSendai(pop: 1,096,700)II: Very weakMiyagiJapan82 km (51 mi)W of epicenterYoshioka(pop: 28,800)II: Very weakKurokawa-gun, MiyagiJapan85 km (53 mi)W of epicenterIwanuma(pop: 44,100)II: Very weakMiyagiJapan86 km (53 mi)NW of epicenterKurihara(pop: 66,600)II: Very weakMiyagiJapan86 km (54 mi)N of epicenterOfunato(pop: 35,500)II: Very weakOfunato-shi, IwateJapan88 km (54 mi)W of epicenterNaka-niida(pop: 21,900)II: Very weakKami-gun, MiyagiJapan88 km (55 mi)W of epicenterWatari(pop: 33,500)II: Very weakMiyagiJapan90 km (56 mi)SW of epicenterSakamoto(pop: 12,000)II: Very weakWatari-gun, MiyagiJapan90 km (56 mi)NW of epicenterIchinoseki(pop: 114,500)II: Very weakIwateJapan95 km (59 mi)SW of epicenterSoma(pop: 34,900)II: Very weakSoma Shi, FukushimaJapan96 km (60 mi)W of epicenterMurata(pop: 38,300)II: Very weakShibata-gun, MiyagiJapan97 km (60 mi)W of epicenterKakuda(pop: 33,200)II: Very weakMiyagiJapan97 km (60 mi)W of epicenterOkawara(pop: 23,600)II: Very weakShibata-gun, MiyagiJapan100 km (62 mi)SW of epicenterMarumori(pop: 13,100)II: Very weakIgu-gun, MiyagiJapan104 km (64 mi)SW of epicenterMinami-Soma(pop: 59,000)II: Very weakMinamisoma Shi, FukushimaJapan108 km (67 mi)NW of epicenterOshu(pop: 112,900)II: Very weakOshu Shi, IwateJapan109 km (67 mi)W of epicenterShiroishi(pop: 33,300)II: Very weakMiyagiJapan124 km (77 mi)NW of epicenterKitakami(pop: 93,000)II: Very weakIwateJapan125 km (78 mi)W of epicenterYamagata(pop: 248,800)II: Very weakYamagataJapan345 km (215 mi)SW of epicenterTokyo(pop: 9,733,300)I: Not feltTokyoJapanNotes:(*) 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 GMT2026-07-21EpicenterAgency4.060 km37 mi14:55:30NEAR EAST COAST OF HONSHU, JAPANEMSC (European-Mediterranean Seismological Centre)"; 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: 101 km / 62 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: 271 km / 168 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 1 km2 (0 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 2 km (1 mi).[More info]Recorded aftershocks, latest first (0 quake)Jul 21, 2026 11:55 pm (GMT +9)5 minutes ago4.060 km0 km - This quakeNear East Coast OF Honshu, JapanMain 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 6,800 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 7 or higher: 0.12 quakes per year (or 1 quake every 8.3 years)Mag. 6 or higher: 1.63 quakes per yearMag. 5 or higher: 11.5 quakes per yearMag. 4 or higher: 91 quakes per year (or 7.6 quakes per month)Mag. 3 or higher: 419 quakes per year (or 34.9 quakes per month)Mag. 2 or higher: 1,400 quakes per year (or 3.9 quakes per day)Mag. 1 or higher: 5,300 quakes per year (or 14.4 quakes per day)The area where this quake occurred has a very high level of seismic activity. It has had at least 16 quakes above magnitude 7 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 5 to 10 years.Number of quakes per yearPrevious quakes in the same area of this earthquake