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The quake had a very shallow depth of 18 km (11 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | Seismograms | User reports | Aftershocks | Earlier quakes here | Quakes in Indonesia | Quakes in Papua New Guinea | Provinsi Papua | Highland Papua | Central PapuaHint: Click on the image to see different maps of this quake!Moderate magnitude 4.0 earthquake at 18 km depth23 Jul 03:09 UTC: First to report: BMKG after 4 minutes.23 Jul 03:11: Magnitude recalculated from 3.7 to 4.0. Hypocenter depth recalculated from 34.00 to 12.00 km (from 21 to 7.5 mi). Epicenter location corrected by 11 km (6.8 mi) towards SW.23 Jul 03:13: Hypocenter depth recalculated from 12.00 to 18.00 km (from 7.5 to 11.2 mi). Epicenter location corrected by 17 km (10.6 mi) towards NNW.23 Jul 03:14: Now using data updates from EMSCI didn't feel itI felt this quakeEarthquake detailsDate & timeJul 23, 2026 03:04:42 UTC - Local time at epicenterThursday, Jul 23, 2026, at 12:04 pm (Asia/Jayapura GMT +9)Statusconfirmed (manually revised)Magnitude4.00Depth18 kmEpicenter latitude / longitude2.24°S / 138.92°EKabupaten Sarmi, South Papua, IndonesiaSeismic antipode2.24°N / 41.08°WShaking intensityIV Light shaking near epicenterFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Weather at epicenter at time of quakeFew Clouds 33°C (91 F), humidity: 50%, wind: 1 m/s (3 kts) from NNEEstimated 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 energy23 minutes agoJul 23, 2026 03:04 GMT / Jul 23, 2026 12:04 pm (Jayapura time)Lat / Lng: -2.24 / 138.92: Papua, IndonesiaSource: EMSCOther sources: RaspberryShake: 4.0 / 18 km, BMKG: 4.0 / 18 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23208243',-2.24000,138.92000,'23 minutes ago: Mag. 4.0, Papua, Indonesia',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 BaliNearby placesThe closest larger town where the quake might have been felt is Sarmi, a town with 14,000 inhabitants in Indonesia, in 47 km (29 mi) distance northwest of the epicenter. People likely experienced weak shaking there.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry47 km (29 mi)NW of epicenterSarmi(pop: 14,100)III: WeakProvinsi PapuaIndonesia159 km (99 mi)S of epicenterKobakma(pop: 13,100)II: Very weakKabupaten Mamberamo Tengah, Highland PapuaIndonesia170 km (106 mi)S of epicenterKarubaga(pop: 6,700)II: Very weakKabupaten Tolikara, Highland PapuaIndonesia181 km (112 mi)E of epicenterSentani(pop: 44,800)I: Not feltKabupaten Jayapura, Provinsi PapuaIndonesia190 km (118 mi)SE of epicenterElelim(pop: 5,950)I: Not feltKabupaten Yalimo, Highland PapuaIndonesia194 km (121 mi)SW of epicenterMulia(pop: 35,900)I: Not feltKabupaten Puncak Jaya, Central PapuaIndonesia194 km (121 mi)S of epicenterTiom(pop: 21,300)I: Not feltKabupaten Lanny Jaya, Highland PapuaIndonesia194 km (121 mi)E of epicenterAbepura(pop: 62,200)I: Not feltKota Jayapura, Provinsi PapuaIndonesia202 km (126 mi)E of epicenterJayapura(pop: 404,000)I: Not feltProvinsi PapuaIndonesia206 km (128 mi)S of epicenterWamena(pop: 41,800)I: Not feltKabupaten Jayawijaya, Highland PapuaIndonesia269 km (167 mi)S of epicenterKenyam(pop: 6,390)I: Not feltKabupaten Nduga, Highland PapuaIndonesia269 km (167 mi)E of epicenterVanimo(pop: 11,200)I: Not feltWest Sepik ProvincePapua New Guinea300 km (187 mi)W of epicenterSerui(pop: 13,600)I: Not feltKabupaten Kepulauan Yapen, Provinsi PapuaIndonesia301 km (187 mi)SW of epicenterBugalaga(pop: 3,580)I: Not feltKabupaten Intan Jaya, Central PapuaIndonesia337 km (209 mi)W of epicenterBiak(pop: 41,700)I: Not feltProvinsi PapuaIndonesia363 km (226 mi)SW of epicenterTimika(pop: 142,900)I: Not feltKabupaten Mimika, Central PapuaIndonesia715 km (445 mi)S of epicenterMerauke(pop: 102,400): Not feltSouth PapuaIndonesiaNotes:(*) 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 GMT2026-07-23EpicenterAgency4.018 km11 mi03:04:42PAPUA, INDONESIAEMSC (European-Mediterranean Seismological Centre)4.018 km11 mi03:04:42West Papua, Indonesia0 km (0 mi) epicenter difference with EMSCRaspberryShake (RaspberryShake)4.018 km11 mi03:04:42West Papua, Indonesia0 km (0 mi) epicenter difference with EMSCBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)"; HTMLcontent += ""; mainMap.addToMap("station"+id, lat, lon, title,HTMLcontent); mainMap.map.panTo([lat,lon]); document.getElementById("map_canvas").scrollIntoView();}]]>SeismogramsSeismic station: Jayapura, Indonesia (JAY/PS network) | Distance from quake: 200 km / 125 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: Nhulunbuy High School (AUNHS/S1 network) | Distance from quake: 1131 km / 703 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 23, 2026 12:04 pm (Jayapura)23 minutes ago4.018 km0 km - This quakeSouth Papua, 47 km SE of Sarmi, Kabupaten Sarmi, Provinsi Papua, IndonesiaMain 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 207 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 7 or higher: 0.04 quakes per year (or 1 quake every 25 years)Mag. 6 or higher: 0.46 quakes per year (or 1 quake every 2.2 years)Mag. 5 or higher: 5.7 quakes per yearMag. 4 or higher: 66 quakes per year (or 5.5 quakes per month)Mag. 3 or higher: 175 quakes per year (or 14.6 quakes per month)Mag. 2 or higher: 206 quakes per year (or 17.1 quakes per month)The area where this quake occurred has a very high level of seismic activity. It has had at least 5 quakes above magnitude 7 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 25 to 30 years.Number of quakes per yearPrevious quakes in the same area of this earthquake