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The quake had a shallow depth of 66 km (41 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | 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 66 km depth7 Aug 01:09 UTC: First to report: BMKG after 7 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeAug 7, 2026 01:01:41 UTC - Local time at epicenterFriday, Aug 7, 2026, at 01:01 am (Universal Time GMT +0)Statusconfirmed (manually revised)Magnitude4.0Depth66 kmEpicenter latitude / longitude1.4°S / 138.64°EKabupaten Sarmi, Provinsi Papua, IndonesiaSeismic antipode1.4°N / 41.36°WShaking intensityII Very weak shakingFelt0 reportsPrimary data sourceBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)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 energy8 minutes agoAug 7, 2026 01:01 GMT / Aug 7, 2026 01:01 am (Universal Time)Lat / Lng: -1.4 / 138.64: Indonesia: Near North Coast of West PapuaSource: BMKGDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23250713',-1.40000,138.64000,'8 minutes ago: Mag. 4.0, Indonesia: Near North Coast of West Papua',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 52 km (32 mi) distance south of the epicenter. People likely experienced very weak shaking there.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry52 km (32 mi)S of epicenterSarmi(pop: 14,100)II: Very weakProvinsi PapuaIndonesia245 km (153 mi)SE of epicenterSentani(pop: 44,800)I: Not feltKabupaten Jayapura, Provinsi PapuaIndonesia256 km (159 mi)S of epicenterKobakma(pop: 13,100)I: Not feltKabupaten Mamberamo Tengah, Highland PapuaIndonesia257 km (159 mi)S of epicenterKarubaga(pop: 6,700)I: Not feltKabupaten Tolikara, Highland PapuaIndonesia258 km (161 mi)SE of epicenterAbepura(pop: 62,200)I: Not feltKota Jayapura, Provinsi PapuaIndonesia263 km (164 mi)SE of epicenterJayapura(pop: 404,000)I: Not feltProvinsi PapuaIndonesia268 km (166 mi)S of epicenterMulia(pop: 35,900)I: Not feltKabupaten Puncak Jaya, Central PapuaIndonesia272 km (169 mi)W of epicenterSerui(pop: 13,600)I: Not feltKabupaten Kepulauan Yapen, Provinsi PapuaIndonesia281 km (175 mi)S of epicenterTiom(pop: 21,300)I: Not feltKabupaten Lanny Jaya, Highland PapuaIndonesia286 km (177 mi)W of epicenterBiak(pop: 41,700)I: Not feltProvinsi PapuaIndonesia288 km (179 mi)SE of epicenterElelim(pop: 5,950)I: Not feltKabupaten Yalimo, Highland PapuaIndonesia302 km (188 mi)S of epicenterWamena(pop: 41,800)I: Not feltKabupaten Jayawijaya, Highland PapuaIndonesia329 km (204 mi)SE of epicenterVanimo(pop: 11,200)I: Not feltWest Sepik ProvincePapua New Guinea336 km (209 mi)SW of epicenterBugalaga(pop: 3,580)I: Not feltKabupaten Intan Jaya, Central 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 GMT2026-08-7EpicenterAgency4.066 km41 mi01:01:41Near North Coast of West PapuaBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Aftershocks 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)Aug 7, 2026 01:01 am (Universal Time)8 minutes ago4.066 km0 km - This quakeKabupaten Sarmi, Provinsi Papua, IndonesiaMain Shock (this quake)MoreMap of aftershocksPrevious quakes in the same area of this earthquake8 minutes agoAug 7, 2026 01:01 GMT / Aug 7, 2026 01:01 am (Universal Time)Lat / Lng: -1.4 / 138.64: Indonesia: Near North Coast of West PapuaSource: BMKGDetail info | You felt it? - Report it!',4.0,40, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',-1.4,138.64,'8 minutes ago: Mag. 4.0, Indonesia: Near North Coast of West Papua','Earthquake: Mag 4.0 / 66 km (41 mi) depth8 minutes agoAug 7, 2026 01:01 GMT / Aug 7, 2026 01:01 am (Universal Time)Lat / Lng: -1.4 / 138.64: Indonesia: Near North Coast of West PapuaSource: BMKGDetail 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=23250713","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)})();]]>Try our free app!Android | iOS versionSupport Us – Help Us Enhance Our Services!We’re passionate about delivering the latest volcano and earthquake data from around the globe — just for you. 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