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The quake had a shallow depth of 38 km (24 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 4.1 earthquake at 38 km depth30 Jul 08:27 UTC: First to report: BMKG after 3 minutes.30 Jul 08:29: Now using data updates from EMSCI didn't feel itI felt this quakeEarthquake detailsDate & timeJul 30, 2026 08:23:48 UTC - Local time at epicenterThursday, Jul 30, 2026, at 05:23 pm (Asia/Jayapura GMT +9)StatusconfirmedMagnitude4.09Depth38 kmEpicenter latitude / longitude2.12°S / 138.93°EKabupaten Sarmi, South Papua, IndonesiaSeismic antipode2.12°N / 41.07°WShaking intensityIII Weak shaking near epicenterFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Weather at epicenter at time of quakeLight Rain 24.5°C (76 F), humidity: 90%, wind: 0 m/s (1 kts) from ENEEstimated seismic energy released8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) | equivalent to ONE quake of magnitude 4.1 | about seismic energy12 minutes agoJul 30, 2026 08:23 GMT / Jul 30, 2026 05:23 pm (Jayapura time)Lat / Lng: -2.12 / 138.93: Papua, IndonesiaSource: EMSCOther sources: BMKG: 4.5 / 10 km, RaspberryShake: 4.3 / 7 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23228864',-2.12000,138.93000,'12 minutes ago: Mag. 4.1, 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 36 km (22 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(*)RegionCountry36 km (22 mi)NW of epicenterSarmi(pop: 14,100)III: WeakProvinsi PapuaIndonesia172 km (107 mi)S of epicenterKobakma(pop: 13,100)II: Very weakKabupaten Mamberamo Tengah, Highland PapuaIndonesia183 km (114 mi)E of epicenterSentani(pop: 44,800)II: Very weakKabupaten Jayapura, Provinsi PapuaIndonesia183 km (114 mi)S of epicenterKarubaga(pop: 6,700)II: Very weakKabupaten Tolikara, Highland PapuaIndonesia196 km (122 mi)E of epicenterAbepura(pop: 62,200)II: Very weakKota Jayapura, Provinsi PapuaIndonesia202 km (125 mi)SE of epicenterElelim(pop: 5,950)I: Not feltKabupaten Yalimo, Highland PapuaIndonesia204 km (127 mi)E of epicenterJayapura(pop: 404,000)I: Not feltProvinsi PapuaIndonesia206 km (128 mi)SW of epicenterMulia(pop: 35,900)I: Not feltKabupaten Puncak Jaya, Central PapuaIndonesia207 km (129 mi)S of epicenterTiom(pop: 21,300)I: Not feltKabupaten Lanny Jaya, Highland PapuaIndonesia220 km (137 mi)S of epicenterWamena(pop: 41,800)I: Not feltKabupaten Jayawijaya, Highland PapuaIndonesia271 km (168 mi)E of epicenterVanimo(pop: 11,200)I: Not feltWest Sepik ProvincePapua New Guinea282 km (175 mi)S of epicenterKenyam(pop: 6,390)I: Not feltKabupaten Nduga, Highland PapuaIndonesia300 km (186 mi)W of epicenterSerui(pop: 13,600)I: Not feltKabupaten Kepulauan Yapen, Provinsi PapuaIndonesia309 km (192 mi)SW of epicenterBugalaga(pop: 3,580)I: Not feltKabupaten Intan Jaya, Central PapuaIndonesia334 km (207 mi)W of epicenterBiak(pop: 41,700)I: Not feltProvinsi PapuaIndonesia374 km (232 mi)SW of epicenterTimika(pop: 142,900)I: Not feltKabupaten Mimika, Central PapuaIndonesia728 km (452 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 GMT2026-07-30EpicenterAgency4.0938 km24 mi08:23:48PAPUA, INDONESIAEMSC (European-Mediterranean Seismological Centre)4.510 km6.2 mi(*)08:23:48West Papua, Indonesia32 km (20 mi) epicenter difference with EMSCBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)4.37 km4.3 mi08:23:47West Papua, Indonesia42 km (26 mi) epicenter difference with EMSCRaspberryShake (RaspberryShake)Notes:(*) A depth given as 10 km often means that the the depth of the quake could be not determined with sufficient accuracy."; 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: 202 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: 1144 km / 711 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 30, 2026 05:23 pm (Jayapura)12 minutes ago4.138 km0 km - This quakePapua, 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: 0.32 quakes per year (or 1 quake every 3.1 years)Mag. 5 or higher: 5.5 quakes per yearMag. 4 or higher: 64 quakes per year (or 5.3 quakes per month)Mag. 3 or higher: 173 quakes per year (or 14.4 quakes per month)Mag. 2 or higher: 205 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