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The quake had a moderate depth of 285 km (177 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 | Ishikawa-ken | Toyama | NiigataHint: Click on the image to see different maps of this quake!Moderate magnitude 4.0 earthquake at 285 km depth20 Jul 06:00 UTC: First to report: NIED after 7 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeJul 20, 2026 05:53:18 UTC - Local time at epicenterMonday, Jul 20, 2026, at 02:53 pm (GMT +9)Statusconfirmed (manually revised)Magnitude4.0Depth285 kmEpicenter latitude / longitude36.962°N / 137.06°ENanao Shi, Ishikawa-ken, JapanSeismic antipode36.962°S / 42.94°WShaking intensityNot feltPrimary data sourceNIED (National Research Institute for Earth Science and Disaster Resilience)Nearest volcanoTomuro (56 km / 35 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 energy7 minutes agoJul 20, 2026 05:53 GMT / Jul 20, 2026 02:53 pm (GMT +9)Lat / Lng: 36.962 / 137.06: Japan: Toyama Bay RegionSource: NIEDDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23200142',36.96200,137.06000,'7 minutes ago: Mag. 4.0, Japan: Toyama Bay Region',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 near the epicenter is Nanao, a town with 50,000 inhabitants in Japan, in 12.6 km (8 mi) distance to the northwest, but it is unlikely that the quake was felt there. DistancePlaceMax. shaking intensity(*)RegionCountry13 km (8 mi)NW of epicenterNanao(pop: 50,300)I: Not feltIshikawa-kenJapan13 km (8 mi)SW of epicenterHimimachi(pop: 54,500)I: Not feltHimi Shi, ToyamaJapan14 km (9 mi)W of epicenterHitoto(pop: 16,500)I: Not feltKashima Gun, Ishikawa-kenJapan14 km (9 mi)SW of epicenterHimi(pop: 44,000)I: Not feltToyamaJapan20 km (13 mi)S of epicenterNishishinminato(pop: 36,000)I: Not feltImizu Shi, ToyamaJapan22 km (14 mi)S of epicenterImizu(pop: 90,700)I: Not feltToyamaJapan24 km (15 mi)S of epicenterTakaoka(pop: 170,100)I: Not feltToyamaJapan26 km (16 mi)W of epicenterOshima(pop: 18,600)I: Not feltHakui Gun, Ishikawa-kenJapan26 km (16 mi)SW of epicenterHodatsushimizu(pop: 12,100)I: Not feltHakui Gun, Ishikawa-kenJapan26 km (16 mi)W of epicenterHakui(pop: 24,500)I: Not feltIshikawa-kenJapan33 km (21 mi)NW of epicenterAnamizu(pop: 17,800)I: Not feltHosu Gun, Ishikawa-kenJapan35 km (22 mi)SE of epicenterNamerikawa(pop: 34,600)I: Not feltToyamaJapan35 km (22 mi)SE of epicenterUozu(pop: 45,800)I: Not feltToyamaJapan35 km (22 mi)E of epicenterKurobe-shi(pop: 41,600)I: Not feltKurobe Shi, ToyamaJapan38 km (23 mi)SW of epicenterOyabe(pop: 29,000)I: Not feltToyamaJapan38 km (24 mi)SW of epicenterKahoku(pop: 34,900)I: Not feltIshikawa-kenJapan39 km (24 mi)E of epicenterNyuzen(pop: 25,000)I: Not feltShimoniikawa Gun, ToyamaJapan39 km (24 mi)N of epicenterUshitsu(pop: 15,700)I: Not feltHosu Gun, Ishikawa-kenJapan39 km (25 mi)S of epicenterTonami(pop: 48,700)I: Not feltToyamaJapan40 km (25 mi)SE of epicenterKamiichi(pop: 20,800)I: Not feltNakaniikawa Gun, ToyamaJapan40 km (25 mi)SE of epicenterGohyakkoku(pop: 24,800)I: Not feltNakaniikawa Gun, ToyamaJapan43 km (27 mi)SW of epicenterTsubata(pop: 37,700)I: Not feltKahoku Gun, Ishikawa-kenJapan44 km (28 mi)S of epicenterYatsuomachi-higashikumisaka(pop: 22,200)I: Not feltToyama Shi, ToyamaJapan46 km (28 mi)S of epicenterNanto-shi(pop: 48,000)I: Not feltNanto Shi, ToyamaJapan46 km (28 mi)E of epicenterKoshi(pop: 11,100)I: Not feltShimoniikawa Gun, ToyamaJapan48 km (30 mi)S of epicenterFukumitsu(pop: 19,500)I: Not feltNanto Shi, ToyamaJapan51 km (32 mi)N of epicenterWajima(pop: 24,600)I: Not feltIshikawa-kenJapan52 km (32 mi)S of epicenterNanto(pop: 48,000)I: Not feltToyamaJapan53 km (33 mi)SW of epicenterMukai-awagasaki(pop: 26,600)I: Not feltKahoku Gun, Ishikawa-kenJapan56 km (34 mi)N of epicenterSuzu(pop: 12,900)I: Not feltIshikawa-kenJapan56 km (35 mi)SW of epicenterKanazawa(pop: 466,000)I: Not feltIshikawa-kenJapan62 km (38 mi)SW of epicenterNonoichi(pop: 57,200)I: Not feltIshikawa-kenJapan66 km (41 mi)SW of epicenterMatsuto(pop: 110,400)I: Not feltHakusan Shi, Ishikawa-kenJapan69 km (43 mi)SW of epicenterTsurugi-asahimachi(pop: 22,000)I: Not feltHakusan Shi, Ishikawa-kenJapan71 km (44 mi)E of epicenterItoigawa(pop: 40,800)I: Not feltNiigataJapan80 km (50 mi)SW of epicenterNomimachi(pop: 48,500)I: Not feltKomatsu Shi, Ishikawa-kenJapan83 km (51 mi)SW of epicenterKomatsu(pop: 108,500)I: Not feltIshikawa-kenJapan88 km (55 mi)SE of epicenterOmachi(pop: 27,600)I: Not feltOmachi-shi, NaganoJapan98 km (61 mi)SW of epicenterKaga(pop: 67,800)I: Not feltIshikawa-kenJapan275 km (171 mi)SE 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 GMT2026-07-20EpicenterAgency4.0285 km177 mi05:53:18TOYAMA BAY REGIONNIED (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: 112 km / 70 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: Gifu Kurokawa (JGF/JP network) | Distance from quake: 153 km / 95 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 20, 2026 02:53 pm (GMT +9)7 minutes ago4.0285 km0 km - This quakeJapan: Toyama Bay RegionMain 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 7,700 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 6 or higher: 0.07 quakes per year (or 1 quake every 14.1 years)Mag. 5 or higher: 1.39 quakes per yearMag. 4 or higher: 42 quakes per year (or 3.5 quakes per month)Mag. 3 or higher: 214 quakes per year (or 17.8 quakes per month)Mag. 2 or higher: 879 quakes per year (or 73 quakes per month)Mag. 1 or higher: 3,600 quakes per year (or 9.8 quakes per day)The area where this quake occurred has a high level of seismic activity. It has had at least 9 quakes above magnitude 6 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